Archive | O RSS feed for this section

ORCHID HOUSE Management of

MaxiUaria. Widely distributed throughout Central America. Bulbs comparatively small, producing single flowered scapes from the base. While some species have short rhizomes and clustering bulbs, others have ascending rhizomes with the bulbs farther apart. M. grandiflora.Large flowers, milkwhite, lip yellow, marked with crimson ; spring. M. luteo-alba.Flowers large, white and tawny-yellow ; various. M. Sanderiana.Flowers about 6 ins. across, white, marked with bloodred ; spring. M. tenuifoUa.Bulbs at intervals on ascending rhizome, leaves narrow, flowers reddish, marked with yellow ; spring. M. venusta.Flowers large, white, lip yellow ; winter. Miltonia.Large flowered epiphytes, producing flower spikes from base of bulb. Natives of Brazil and Colombia . M. phalcsnopsis.Leaves narrow, spikes of rose – white flowers, lip blotched with purple ; late spring. M. spectabilis.Bulbs at intervals on rhizome, flowers rose, broad lip, purple ; summer. M. vexillaria.Bulbs flat, oval, spikes of large lilac-rose flowers ; spring. M. Warscewiczii.Bulbs flattish, erect spikes of reddish flowers, lip rosy-purple ; spring. MUtonioda.Hybrids obtained by crossing Cochlioda and Miltonia. Mormodes. Remarkable for the curious structure of their flowers, which are produced on stout scapes from the base of the bulb. M. luxatum. Flowers yellowishgreen, marked with brown ; summer. M. pardinum.Flowers Ught-yellow, spotted with brownish-red ; sunimer. Odontioda.A beautiful section of garden-raised hybrids between the genera Odontoglossum and CochUoda. The majority include C Ncetzliana, and yield many-flowered spikes of varying scarlet and reddish tints. Odontocidium.Garden – raised hybrids between Odontoglossum and Oncidium . Odontoglossum.The most popular section of cool house Orchids. Bulbs usually ovoid, leaves at base and apex, spike produced from base. Though natives of tropical countries, the plants are found at considerable altitudes, where the atmosphere is cool and moisture abundant. O. AdriancB.Natural hybrid between crispum and Hunnewellianum ; spring. O.Andersonianum.Natural hybrid between crispum and gloriosum ; spring. O. aspersum.Natural hybrid between maculatum and Rossii ; winter. O. bictoniense.Bulbs flattish, oval, flowers yellowish-green, blotched with brown ; autumn. 0. Cervantesii.Dwarf habit, flowers round, whitish, with concentric red bars ; spring. 0. cirrhosum.Segments of flowers tapering, white, spotted with purplish crimson ; spring. 0. citrosmum. Spike pendulous, flowers round, rose-white ; spring. O. Coradinei.Natural hybrid between crispum and Lindleyanum ; spring. 0. cordatum.Flowers chestnutbrown, petals yellow ; spring. O. coronarium.Bulbs large, at intervals on rhizome, flowers round, glossy, red-copper, lip yellow ; spring. O. crispum.Arching spikes of white flowers, sometimes tinged with rose or blotched with purple ; spring. O. Edwardii. Bulbs long, spike tall, flowers small, numerous, purplishmauve ; spring. 0. excellens.Natural hybrid between Pescatorei and triumphans ; spring. O. gloriosum.Flowers with narrow segments, yellow, brown – spotted ; spring. O. grande.Flowers 5-7 ins. across, bright yellow, barred with chestnutbrown ; autumn. O. Hallii.Flowers yellow, blotched with chocolate-red, lip broad, fringed ; spring. O. Harryanum. Flowers large, sepals brown and yellow, petals whitish and mauve-purple. Up broad with prominent crest ; spring. 0. hastilabium. Spikes erect, 3-5 ft., flowers yellow, shaded with green, spotted with purplish-brown ; summer. O. Hunnewellianum.Flowers small,yellow, heavily spotted with dark brown ; spring. O. Insleayi.Flowers large, yellow, barred with chestnut -red ; late summer. O. Kegeljani. Flowers yellow, blotched with brown ; spring. O. Lindleyanuw. Flowers with narrow segments, yellow, with brown markings ; spring. 0. luteopurpuyeum.Flowers large, chestnut-brown, marked with yellow, lip brown ; spring. O. maculatum.Sepals brown, petals yellow, lip yellowish-white ; spring. O. ncevium. Segments narrow, white, spotted with red – purple ; summer. O. nebulosum,Flowers roundish, white, with red-brown spots ; late spring. 0. odoraium. Segments narrow, yellow, with brown – red blotches ; winter. O. Pescatorei. Spikes branching, ilowers white, lip with broad apex ; spring. O. pulchellum.Erect spikes of small, pure white ilowers ; spring. O. Rossii.Dwarf, flowers white or rose, with dark brown spotting winter. O. Ruckerianum.Natural hybrid between crispum and gloriosum ; spring. O. triumphans. Flowers goldenyellow, blotched with brown ; spring. O. Uro-Skinneri.Spike erect, sepals and petals greenish, marked with brown, lip large, rose ; spring. O. Wilckeanum.Natural hybrid between crispum and luteopurpureum ; spring. Odontoglossum Hybrids. A large number of attractive hybrids have been raised during recent years. The following are among the most useful : Ardentissimum (crispum x Pescatorei) ; Dora (Lambeauianum x Pescatorei) ; eximium (ardentissimum x crispum) ; Fascinator (Adrianae x crispum) ; illustrissimum (ardentissimum X Lambeauianum) ; Lambeauianum (Rolfese x crispum) ; MacNabianum (Harryanum X Wilckeanum) ; Ossulstonii (crispo-Harryanum x Pescatorei) ; percuUum (Rolfeae X ardentissimum) ; Queen Alexandra (Harryanum X triumphans) ; RolfecB (Harryanum X Pescatorei) ; Thompsonianum (Edwardii X crispum) ; and Vuylstekei (harvengtense x Wilckeanum). Odontonla.Garden – raised hybrids between the genera Odontoglossum and Miltonia.Oncidioda.Garden – raised hybrids between the genera Oncidium and Cochlioda. Oncidium.A large and varied genus, distributed throughout South America and the West Indies. O. ampliatum. Bulbs broad, flowers I J ins. across, yellow ; spring. O. bicallosum. Bulbless, leaves leathery, flowers yellow ; winter. 0. Cavendishianum. Bulbless, leaves leathery, flowers 1-2 ins. across, yellow, spotted with red ; spring. O. concolor. Spikes drooping, canary-yellow; early summer. 0. crispum.Flowerslarge, brownish, segments crisped ; various. 0. curtum.Spike 2-3 ft. high, branched, flowers brown and yellow ; spring. O. flexuosum.Bulbs at intervals on ascending rhizome, large yellow lip ; summer. O. Forbesii.Flowers large, segments broad, chestnut-brown, yellow markings ; autumn. O. incurvum.Spikes 3-6 ft. long, flowers small, rose-pink, tipped with white ; autumn. 0. Kramerianum.Spike 23 ft., flowers large, lower sepals and lip yellow, marked with red-brown ; various. O. macranthum.Spike several feet long, flowers large, sepals brownish, petals yellow, lip white and purple ; early summer. O. Marshallianum. Lip large, spreading, bright yellow ; early summer. 0. ornithorhynchum.Spik.es 1-2 ft., flowers small, rose-lilac ; winter. O. papilio.Resembling O . Kramerianum, but upper part of scape is flattened ; various. O. tigrinum.Spikes 2-4 ft., flowers large, lip spreading, yellow ; late autumn. O. varicosum. Spikes 3-5 ft., branched, lip large, bright yellow ; autumn. Perlsteria.Characterised by stout bulbs, from the base of which the flower spikes are produced ; broad, plicate leaves, and large fleshy flowers of globular shape. Natives of Central America. P. elata.Robust, bulbs 6 ins. high, erect spike 3-6 ft., flowers waxywhite . Phaiocalanthe. Garden-raised hybrids between the genera Phaius and Calanthe. Phaius.Bulbs short, stout, on thick rhizomes. Leaves tall, plicate, spike erect, flowers large, lip spurred at its base. P. hicolor.Bulbs small, flowers reddish-brown, hp white and rose ; summer. P. Blumei.Spike 3-4 ft. high, flowers bufi-yellow, mottled with red, front of lip crimson ; spring. P. flavus.Bulbs 3-5 ins. high, flowers ochre-yellow ; summer. P. Humblotii.Spike 18-30 ins. high, flowers light rose-purple ; spring. P. maculatus. Leaves spotted, flowers buff-yellow, lip reddish ; spring. P. tuberculosus.Bulbs stem-like, flowers white, lip rose ; winter. P. WaUichii.Spike 3-5 ft., flowers tawny-bufi, shaded red, lip white with yellow base ; late winter. Phalsenopsis.Distinguished by absence of bulbs, the plants having large, broad, usually leathery leaves. Roots flat and clinging, often of considerable length. Distributed throughout the Eastern Tropics. P. amdbilis.Leaves green, flowers 3-5 ins. across, segments broad, pure white ; winter. P. Aphrodite. Somewhat similar to P. amabilis, but more compact, lip broader ; winter. P. esmeralda. Erect spikes of amethyst-purple flowers about an inch across ; late summer. P. Lomii.Dwarf, leaves green, flowers 1-2 ins. across, white. Up purple ; summer. P. rosea.Leaves green, flowers i ins. across, white flushed with rosepurple. P. Sanderiana.Flowers large, rosepink, lip white marked with rosepurple ; late autumn. P. Schilleriana.Leaves marbled, green and grey, spike 2-4 ft., flowers light rose-purple, sepals speckled ; spring. P. Stuartiana. Leaves mottled, flowers white, lightly spotted ; winter. P. violacea.Leaves bright green, flowers 2-3 ins. across, white shaded with violet-purple ; summer. Platycllnis.Bulbs small, bearing a single, stalked leaf, and producing from the apex a slender, many-flowered spike. Natives of the Philippines. P. flliformis.Bulbs i m. high, flower stalk very slender, canaryyellow ; summer. P. glumacea.Bulbs 2 ins. high, flowers yellowish – white, scented ; spring. Plelone.Distinguished from Coelogyne by the bulbs being of annual duration only. Leaves deciduous, usually falling after the bulbs are matured. P. humilis.Flowers 2-3 ins. across, blush-white, lip purple spotted ; winter. P. lagenaria.Flowers rose-lilac. Up white, marked with crimson ; winter. P. maoulata.Flowers white, lip marked with crimson ; autumn. P. prcBoox.Flowers 3 ins. across, rose-purple ; early winter. Pleurothallis.Epiphytal plants of tufted habit, or stems borne at intervals on a creeping rhizome. Flower spikes produced from base of leaf, in many instances for several successive years. P. Grobyi,Flowers small, yeUow streaked with crimson ; various. Height, 3-4 ins. P. RcBzUi.Spikes nodding, flowers blackish-purple ; spring. Height, 12- 15 ins. Renanthera. Allied to Vanda, clothed with distichous leaves, and bearing panicles of showy flowers on lateral peduncles. R. coccinea.Stem tall, flowers 3-4 ins. across, blood-red, lip small, yellow and red ; various. if. Imschootiana.Dwarf, flowers many, bright vermilion ; spring. Restrepia. Somewhat similar in habit to Pleurothallis. Flowers produced singly on slender peduncles. Upper sepals and petals thread-Uke, lower sepals much larger. Natives of cool districts in Colombia, etc. if. antennifera.’Plovfexs yellowish, marked with red ; summer. Height, 4-6 ins. R. maculata. Flowers yellowish, densely spotted with brown-purple ; summer. R. striata. Flowers yellowish, lower sepals striped with maroon ; summer. Rhyncostylis. A small genus closely alUed to Saccolabium . Flowers in dense cyUndrical racemes, produced from the axils of leaves ; labeUum a long, saccate, compressed spur. if. cmlestis.Leaves 4-6 ins. long, scape erect, flowers tipped with blue ; summer. if. retusa.Leaves 8-12 ins. long, scape pendulous, 1-2 ft. long, flowers white, purple spotted ; summer. Saecolabium.Stems furnished with leathery distichous leaves, from the axils of which the flowers are produced.The basal portion of the lip developed into a saccate spur. Natives of India, Burma, etc. S. belUnum.Flowers yellow, marked with purple. Up spreading, fimbriated ; spring. Height, 4-6 ins. 5. curvifolium.Flowers cinnabarred ; summer. Height, 6-12 ins. Sarcochilus.A poljnnorphic genus, distributed from Burma to Australia and the Philippines. Flowers usually with a saccate lip, and often prettily coloured. S. Fitzgeraldii.Stems short, spike drooping, flowers i in. across, spotted with rose-purple ; summer. S. Hartmanni.Stems short, leaves fleshy, flowers white, marked with red ; spring. Schomburgkia. Robust plants, allied to L.ffi;nA, bulbs somewhat cylindrical, leaves leathery. Flowers produced at apex of long, arching spikes. S. crispa.Bulbs 4-8 ins. high, spike 2-4 ft., flowers crisped, brown and yellow, lip whitish ; winter. S. Lyonsii.Bulbs 6-12 ins. high, spike 3-4 ft., flowers white, marked with purple ; summer. S. tibicinis.Bulbs 9-18 ins. high, spike 3-5 ft., flowers reddish-brown ; early summer. 5. undulata.Bulbs 9-12 ins. high, spike 2-4 ft., flowers purplish-brown ; spring. Seuticaria.Characterised by fleshy stems and long sub-terete leaves, which are pendent. Short scapes produced from side of stem. 5. Hadwenii.Leaves 9-18 ins. long, flowers 3 ins. wide, yellowish-green, blotched with brown ; summer. 5. Steelii.Leaves 2-4 ft. long, flowers 3 ins. wide, light yellow, marked with reddish-brown ; summer. Selenipedium.South American representatives of the genus C5rpripedium. Leaves leathery, strap-shaped. Scape producing a succession of flowers, only one or two being open at the same period. S. caudatum.Flowers large, petals ribbon-like, often 30 ins. long ; early summer. 5. longifoHum.Leaves 2 ft. long, dorsal sepal green, with rosy veins, petals twisted ; various. Sobralia. Evergreen, terrestrial plants, chiefly of Central America. Stems reed-like, tall, furnished with sheathing leaves. Flowers large, produced from apex of stem. S. macraniha.Stems 4-8 ft. high,flowers crimson-purple, lip broad ; summer. 5. rosea.Stems 3-6 ft., flowers rosy-mauve, lip crimson-rose ; summer. S. Ruckeri.Stems 4-6 ft. high, flowers rose-flushed, lip lilac-rose ; summer. S. Sanderiana.Stems 4-8 ft., flowers rose-tinted, lip crimsonpurple ; summer. S. xanthoUuca.Stems 3-8 ft., flowers creamy-yellow, lip darker ; summer. Sophrocattleya.Garden-raised hybrids between the genera Sophronitis and Cattleya. Sophrolaelia.Garden-raised hybrids between the genera Sophronitis and Laelia. Sopbrolseliocattleya.Garden-raised hybrids between Sophronitis, Laelia, and Cattleya. Sophronitis. Epiphytal plants of dwarf habit, the small bulbs having a single, leathery leaf. Natives of Brazil. S. grandiflora.Flowers comparatively large, brilliant scarlet ; winter. S. violacea. Rhizome creeping, flowers violet-magenta ; winter. Spathoglottis. Terrestrial, distributed throughout the East, from Burma to China. Rhizomes creeping, with small, corm-like bulbs, and tall, plicate, grass-like foliage. S. aurea.Leaves 2-3 ft., flowers 3 ins. wide, yellow ; autumn. S. Fortunei.Leaves 9-18 ins. high, flowers i-ijins. wide, yellow ; autumn. 5. plicata.Leaves 2-3 ft. high, flowers 1-2 ins. wide, rose-purple ; summer. S. Vieillardii.Leaves 2-3- ft. high, flowers 2 ins. wide, rose-white autumn. Stanhopea. Epiphytal plants, natives of Central and South America, and producing large, handsome flowers, the lip of which is of remarkable construction and wax-like substance. Bulbs usually ovoid, with a single, broad leaf ; spikes pendulous. S. eburnea.Flowers fragrant, ivorywhite ; summer. S. oculata.Flowers large, yellowish, with red spots ; summer. S. tigrina.Flowers large, yellow and blood-red ; summer. S. Wardii.Flowers large, fragrant, golden – yellow, spotted with redpurple ; summer. Thunia.A small genus of tropical plants, having leafy, tapering stems, which produce nodding racemes of flowers. T. alba.Stems 2-4 ft. high, tlowers white, lip fringed ; summer. T. BensonicB.Stems 2 ft. high, flowers amethyst-purple ; summer. T. MarshaUicB.Stems 2-3 ft. high, flowers white ; summer. Trichopilia.Epiphytal plants distributed throughout Central America. Bulbs usually flatfish, with a. single, leathery leaf. Spikes of large flowers produced from base of bulb. T. crispa.Spikes two to three flowered, crimson, margin crisped ; early summer. T. fragrans.Spike erect, flowers greenish-white, lip spreading ; autumn. r. laxa.Flowers dull rose, lip whitish ; various. T. suavis.Flowers large, creamwhite, rose spotted ; spring. T. tortilis.Flowers with narrow twisted segments, rose, lip blotched with red-brown ; various. Vanda.Handsome epiphytal plants distributed throughout the warmer countries of the East. Stems erect, clothed with distichous, evergreen leaves. Flowers produced on scapes from the axils of the leaves. V. Amesiana.Stems short, flowers fragrant, white, lip deep rose. V. coerulea.Stems 1-3 ft. high, flowers large, sky-blue, lip small ; autumn. V. Hookeriana.Stems 2-5 ft. high, leaves slender, cylindrical, flowers whitish, purple flushed ; autunrn. V. Kimhalliana. Leaves 6-9 ins. long, flowers white, purple flushed ; autumn. Height about i ft., V. lamellata.Dwarf habit, leaves 12-1 5 ins. long, flowers yellow, blotched with brown ; winter. V. Parishii.Stems short, leaves 6-9 ins. long, flowers greenish-yellow, marked with brown, lip purple ; summer. V. Sanderiana. Flowers S ms. across, rose, marked with reddish spots and veins, lip small. Very handsome ; late summer. V. suavis.Leaves 12-18 ms. long, flowers white, purple spotted, lip rose-purple ; various. Height, 2-5 ft. V. teres.Stems and leaves terete, flowers rose-white to magenta-rose ; spring.

Comments are closed