324 Obder 47.— rosace.^ 



ium, with 2 or 4 callosities near the base of the limb ; stigma terminal, 



leffume compressed, with few oval, compressed seeds. — Twining herbs 



with pinnately trifoliate Ivs. 



D. multifldrua Torr. & Gr. Lfts. large, round-ovate, with a short acumination; 

 raa about as long as the petioles, dense, many-flowered ; upper segm. of the cai 

 entire, lower longest, lanceolate; leg. broad, 3 to 6-aeeded. — River banks, Ga. to 

 La. and Ark. Sts. very long, retrorsely pubescent. Lfts. 2 to 4' diam., smooth 

 when old. Pods 2' long, 8" wide, with an abrupt, incurved beak. Sds. brown, 

 much flattened. Jn., Jl. 



p. Halii. St. minutely pubescent ; Ivs. glabrous ; petioles 3 times longer 

 than the few (5 to 8)-flower6d rac. — Near N. Orleans (Hale.) 

 D. sesquipedalis W. a vine with very long pods, native of the "W. Indies, and 



D. Cat-iang W., with two erect pods at top of the peduncle, native of E. Indipa, 



MO occasionally seen in cultivation at the South (Feay). 



53. CLITO'RIA, L. Calyx bibracteolate, tubular, 6-toothed, seg- 

 ments acuminate ; vexillum large, spreading, roundish, eniarginate, not 

 spurred; keel smaller than the wings, acute, on long claws; legume 

 linear oblong, torulous, several-seeded. — "U Mostly twining. Lvs. pin- 

 nately 3 to 5-foliate. Fls. very large, solitary or several together. 



C. Mariana L. Glabrous ; st. subereot or twining, suffrutiooua ; lfts. 3, oblong. 

 ovate or lanceolate, obtuse, lateral ones petiolulate ; ped. short, 1 to 3-flowered ; 

 bracteoles and bracls very short ; leg. torulous, 3 to 4-seeded. — Dry soils, N. J. 

 to Fla. St. 1 to 3f long, rovmd, slender, branched. Lfts. rather remote, about 

 1' by 6". Cor. pale purple, 2 to 2J' in length, calyx f , braoteoles 2". Jl., Aug. 



54. CENTROSE^MA, DC. (Gr. Kevrpov, a spur, arjiM, a standard; 

 the vexillum spurred.) Sepals lance-linear, slightly united, the lower 

 longest, and with 2 broad bracteoles ; vex. very large, with a short 

 spur on the back near the base ; keel and stamens much shorter, in- 

 curved; legume long, linear, margined and long pointed.' — if Twining. 

 Lvs. pinnately 3-foliate. Fls. very large. Bracts, bractlot?, and calyx 

 striated. 



C. Virginidna Benth. St. very slender; lfts. oblong-ovate to oblong-hnear, firm, 

 very veiny, the veins incurved ; ped. 1 to 4-flowered bracteoles larger (not 

 longer) than the cah; pod. veined along the margin. — Dry soils, S. States. 

 Whole plant of firm texture, glabrous and very slender, several feet in length. 

 Banner orbicular, 1|' broad, violet blue. Pod 4 to 6' long, 2 to 3" wide. Jl., Aug. 



Order XLVII. ROSACE.^. Roseworts. 



Rerbs, shrubs or trees with alternate, stipulate lvs. and regular fiowera. Sepals b, 

 rarely fewer, united, often reenforced by as many traotlets. Petals 5, rarely 0, dis- 

 tinct, inserted on the disk which lines the calyx tube. Stamens Oo, rarely few, 

 distinct, inserted with the petals (perigyuous). Ovaries 1, 2, 5 or co, distinct, or 

 often coherent with each other, or immersed in an excavated receptacle (§ 444). 

 Pndt a drupe, or achenia, or a dry or juicy etajrio (§ 565), or pome. Seeds 1 or few 

 in each carpel, anatropous, exalbuminous ; embryo straight. (Illustr. in figs. 33, 41, 

 6S, C6, 79, 91, 100, 106, 179, 166, 167, 159, 293, 307, 335, 289, 380, 381, 414, 439, 

 440, 441, 443, 452, 461, 462.) 



This order, ns here constitnted, inclndes five suborders, and together 87 genera and 1000 tpt- 

 eie$. A large proportion of these are natives of temperate climates north of the equator. 



PropeHies — A nighly important order, whether we regard ita delirious fruit, its medfcinai 

 products, or the beauty of its flowers. None of its ai^ocies (excepting those of the almond tribe) 

 ■re unwholesome. An astringent principle characterizes the family, residing chiefly in the bark 

 and the roots. The roots of the blackberry have been used in mcdicint as an astringent ; tboe» 

 rfUie Gillenin, as an erootlo; Agrimonia, as a vermifuge. The petals of Eosa dnmnscena yl»W 

 tk« well known fragi-aQt oU called attar iifroM. The aim»Qd, peach, &c., abound in prusalc aold, 



