296 DIADELPHIA— DECANDRIA. Trifolium, 



4. A. campestris. Yellowish Mountain Milk- vetch. 



Stem none. Stalk ascending. Legumes ovate, inflated, 

 hairy, erect. Leaflets lanceolate, acute, somewhat hairy. 



A. campestris. Linn. Sp. PL 1072. fVilld.v.3A3]7. Comp. ed.4. 



123. Etigl. Bot. V. 36. t. 2522. Hook. Scot. 217. 

 A. sordidus. Willd. i). 3. 1313 ; with erroneous remarks. 

 A. uralensis. Fl. Dan. t. 1041. 

 A. n. 406. Hall. Hist. v. 1. 177. <. 13. 

 A. perennis supinus, foliis et siliquis hispidis, flore luteo. Biixb. 



Hallens. 32 ; according to Linnceus. 



On highland rocks in Scotland. 



Upon a high rock, on one of the mountains at the head of Clova, 



Angusshire, near the White Water, in great abundance. Mr. G. 



Don. 

 Perennial. .July. 

 In size and habit much like the last, but the leaflets are narrower, 



more numerous, much less silky, being only besprinkled with 



shining hairs, and often quite smooth, except the mid-rib. 



Flower-stalks rather less upright, sometimes recumbent. Fl. 



cream-coloured, or buff; the keel and zvings tinged with purple. 



Legume more ovate, with a straight point, less oblique than in 



./4. uralensis, covered like the calyx, with short, spreading, black 



as well as white, hairs. 



366. TRIFOLIUM. Trefoil, Clover, and Me- 

 lilot. 



Linn. Gen. 387. Juss. 355. Fl. Br. 781. Sm. in Rees's Cyclop. 



V. 36. Tourn. t. 228. Lam. t. 6 13. G^rtn. t. 153. 

 Melilotus. Jms«.356. Tourn. t. 229. Lam. 1.6)3. 



Cal. tubular, variously and unequally .5-toothed, permanent ; 

 the tube, or the teeth, often greatly enlarged, or changed. 

 Cor. of 4 petals, all more or less decidedly united by their 

 long claws, mostly permanent, withering ; standard re- 

 flexed ; wings oblong, direct, shorter than the standard ; 

 keel of one petal, rather shorter than the wings. Filam. 

 10; 9 in one split compressed tube; the tenth capillary, 

 distinct. Anth. roundish. Germ, oblong-ovate. Style 

 awl-shaped, curved upwards. Stigma simple, smooth. 

 Legume short, membranous, rarely coriaceous, of 1 valve, 

 and 1 cell, not bursting, scarcely exceeding the calyx in 

 length, deciduous. Seeds 1 to 4, roundish, very smooth. 



An extensive genus of herbaceous plants, natives of cold or 

 temperate climates, either perennial or annual. Stems 

 branched. Leaves alternate, more or less stalked, uni- 

 versally ternate, in one exotic instance only, T. Lnpinas- 



