. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 2134. Rivina humilis (X H)- (See page 1537.) Pseudacacia, Linn. Locust. False Acacia. Black Locust. Fig. 21^5. This species is the largest of the genus, growing to a height of 80 ft. Lfts. short-stalked, 9-19, 1-2 in. long, oval or ovate, smooth, often emargi- nate or mucronate: bark on young wood l)rown and gl


. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 2134. Rivina humilis (X H)- (See page 1537.) Pseudacacia, Linn. Locust. False Acacia. Black Locust. Fig. 21^5. This species is the largest of the genus, growing to a height of 80 ft. Lfts. short-stalked, 9-19, 1-2 in. long, oval or ovate, smooth, often emargi- nate or mucronate: bark on young wood l)rown and glandular; stipules glandular, enlarging witli age and becoming strong thorns on the 2-year-old wood : tls. white and fragrant, in drooping racemes: fr. a broad, brown, many-seeded pod or legume. May, June. East- ern N. A.—Wood very lasting, and adapted to many uses. Many varieties of this species are in cultivation, the following being sold in this country: atirea, Hort., has pale yellow Ivs.; bella-rosea, Hort., rose-colored fls., and is probably a hybrid of S. Pnendacaoia and R. vis- cosa; var. inlrmis, DC'., is a thornless variety, with large dark foliage; bullata, Hort., is much like Bessoni- ana (below), but more compact; Decaisneana, Carr., is a form with handsome rose-tinted fls, 180:1 19:2027. 12:427. Gn. 34, p. 174; spectabilis, Du Mont Cour., is a strong-growing thornless var.; mono- phylla, Pelz. & Kirchn., is the ISingle-leaf Locust, and of this there is a slightly pendulous sub-var.; pendula, Loud., is a form with broad, spreading, somewhat drooping ; semperJIorens, Hort., is said to flower throughout the suunner; vars. gl6bula, stricta and mimossefolia are horticultural forms, which are suf- ficiently described by their names; pyramidilis, Pelz. ife Kirchn., is a distinct narrow-growing form; umbra- culifera, DC. Umbrella Locust. Thornless, the gla- brous branches densely crowded : lfts. ovate. Vars. rubra, stricta and Bessotnan


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