Archive | X RSS feed for this section

XANTHOSTRUMARIN

A glucosid found by A. Zander in the seeds ofclotburr, Xanthium strumarium, L.

Comments are closed

XANTHOXYLIN

X. Crystals, C10H,jO4, a substance occurring in silky crystals, soluble in alcohol or ether, insoluble in water; melt at 8o

Comments are closed

XENON

A gaseous element discovered by Ramsay and Travers Its relative density is 64. A vacuum tube charged with xenon when excited assumes a sky- blue color. It melts at I400 C. and boils at 109

Comments are closed

XEROPHYTE

A plant indigenous io arid regions.

Comments are closed

XEROSIS

X. epitheliaiis, X. infantilis, X. tnangu

Comments are closed

XIPHODYNIA

Pain in the ensiform cartilage.

Comments are closed

XIPHOPAGISM

The state or condition of a xiphopagus.

Comments are closed

XYLAN

A furfuroid occurring abundantly in straw and manure; when hydrolyzed to xylose it furnishes the most natural and favorable carbohydrate food for denitrifying organisms.

Comments are closed

XYLOCHLORAL

A crystalline compound of xylose and chlora., prej>ared by heating with hydrochloric acid; soluble m water, melts at 132

Comments are closed

XEROPHYLLUM

(Turkeys Beard. Nat. Ord. Liliaceae).Only one species of this genus (X. asphodeloides) is at all generally grown. This is a pretty hardy herbaceous perennial useful for a sunny perennial or mixed border, and bears white flowers in May, averaging ij ft. in height. It may be grown, propagated, and planted in the same way and at the same time as other hardy perennials (see article on Perennials : General Culture of), but requires a peaty soil, and a damp situation.

Comments are closed