This is a large genus containing many hardy and tender annual, biennial, and perennial species. It is unneces-sary to describe any here save those which are hardy herbaceous perennials. Some of the dwarfer of these last may be effectively used in the rock garden. All require the ordinary culture usually bestowed on perennials and rock plants, and succeed in common garden soil. They may be propagated by summer sown seeds or root division in the spring, and are best planted about the middle of March. We recommend the following : Ononis arvensis.This is the well- Imown Rest Harrow of the fields not a very desirable garden plant which bears purple flowers from June to August, and grows about 12 ins. high. 0. campestris.Syn. 0. spinosa, which see. 0. fruticosa.This is the most popular of all the species, with its pretty pink flowers in May and June on plants i2j ft. high. 0. Natrix.The flowers of this desirable species are veined red on yellow ground-work. They are produced from June to August on plants 13 ft. in height. 0. spinosa (Syn. 0. campestris). This, and its variety alba, bear purple-pink and white flowers respectively from July to August, and average 12 ins. in height. See also Shrubs.
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