134 LEGUMINOS^E. (pulse FAMII.y). 



pressed, often curved, clothed with rougli {glands or short prickles, scarcely de- 

 hiscent, few-seeded. The Howcr, &c., otherwise as in Astrajralus. — Long peren- 

 nial root sweet (whence the name, I'rom yXvKvs, sn•e^t, and pi$a, root) ; herhagc 

 glandular-viscid ; leaves odd-pinnate, with minute stipules ; Howers in axillary 

 spikes, white or l)luish. 



1. G. Iepid6ta, Nutt. (Wild Liquorice.) Tall (2°-3° hi^h) ; leaf- 

 lets 15-rj, obluiig-laiiccolate, niucronate-pointed, sprinkled with little scales 

 when young, and with corresponding dots when old ; spikes pedunelcd, short ; 

 flowers whitish ; pods oblong, beset with hooked prickles, so as to resemble the 

 fiuit of Xunthium on a smaller scale. — Vicinity of Butlalo, New York, on the 

 sands of the shore, probably drifted from its native northwest regions ; but per- 

 fectly established, (J. \V. Clii.loii. 



17. -ffiSCHYNOMENE, L. Sensitive JoiNT-Yi-Tcn. 



Calyx 2-li])pcd ; tlic iijijH'r lip 2-. tlic lower .3-clcft. Standard romidish : keel 

 boat-shaped. Stamens diailcl])lious in two sets of 5 each. Pod flatteneil, com- 

 posed of several easily separable joints. — Leaves odd-pinnate, with sev 

 eral pairs of leaflets, sometimes sensitive, as if shrinking from the touch (whence 

 the name, from alaxwofiivrj, heiiifj ashamed). 



1. JE. hispida, Wiild. Erect,. rough-bristly annual ; leaflets .37-51, lin- 

 ear; racemes few-flowered ; pod stalked, 6- 10-jointed. — Along rivers, S. Penn. 

 and southward. Aug. — Flowers yellow, reddish externally. 



18. HEDYSARUM, Touni. IIedysarum. 



Calyx 5-eleft, the lobes awl-shaped and nearly equal. Keel nearly straight, 

 obliquely truncate, not appendaged, longer than the wings. Stamens diadel- 

 phous, 5 & 1. Pod flattened, composed of several equal-sided separable round- 

 ish joints connected in the middle. — Perennial herbs : leaves odd-pinnate. 

 (Name composed o'i r}hvs, sweet, and (ipwiia, smelt.) 



1. H. boreale, Nutt. Leaflets 13-21, oblong or lanceolate, nearly gla- 

 brous; stipules scaly, united opposite the petiole; raceme of many dcttexed pur- 

 ple flowers ; standard shorter than the keel ; joints of the pod 3 or 4, smooth, 

 reticulated. — Mountain above Willoughby Lake, Vermont, A. Wood, &e. St. 

 John's River, Maine, G. L. Goodule. Also northward. 



19. DESMODIUM, DC. Tick-Trefoil. 



Calyx usually more or less 2-li])ped. Standard obovate : wings adherent to 

 the straight or straightish and usually truncate keel, by means of a little trans- 

 verse ap])ciidage on each side of the latter. Stamens diadclphous, 9 & 1, or 

 monadelplious licldw. Pod Hat, deeply lolwd on the lower margin, separating 

 into few or many flat rciiculati'd joints (mostly roughened with minute hooked 

 hairs, by which they adhere to the fleece of animals or to clothing). — Perennial 

 herbs, with pinnately 3-foliolate (rarely l-(bliolate) leaves, stipellate. Flowers 

 (in summer) in axillary or terminal racemes, often panicled, and 2 or 3 from 

 each bract, purple or purplish, often turning green in withering. Stipules and 



