DIADELPHIA— DECANDRIA. Ornithopus. 289 



narrow, entire. Fl. usually 2 on each stalk, rarely 3 or 4, often 

 solitary, small, drooping, pale grey; the standard streaked, and 

 the keel tipped, with a deep blue. Legumes pendulous, oblong, 

 bluatish, smooth. Seeds most generally 4; sometimes from 

 abortion 3 only ; rarely 5, 6 or 7. 

 Rather uncommon in Switzerland^ where the following species is 

 very frequent. 



2. E. hirsutum. Hairy Tare. 



Clusters many-flowered. Legumes hairy, with two seeds. 

 Leaflets abrupt. 



E. hirsutum. Unn. Sp. PI. 1039. mild. u. 3. 11 13. ft Br. 776. 



Engl. Bot. V. ] 4. t. 970. Curt. Lond. fasc. 1. 1. 54. Hook. Scot. 



216. FLDaii.t.t)39. 

 Vicia n. 422. Hall. Hist. v. 1. 184. 

 V. minor segetum, cum siliquis plurimis hlrsutis. Bauh. Pin. 345- 



Moris. V. 2. 63. sect. 2. t. 4./. 15. 

 V. sylvestris, sive Cracca, minima. Ger. Em. l22S.f. 

 V. parva, sive Cracca minor, cum multis siliquis hirsutis. Bauh, 



Hist.v.2.3\5.f. 

 Cracca minor. Rail Syn. 322. Riv. Tetrap. Irr. t, 53./. 2. 

 Craccse alterum genus. Dod. Pempt.542.f. 

 Aracus sive Cracca minima. Lob. Ic. v. 2. 76. f. 



In corn fields, and other cultivated ground, as well as in hedges, a 

 very troublesome weed, especially in wet seasons. 



Annual. June — August. 



Habit much like the foregoing ; but the stem is nearly smooth, as 

 well as the leaflets, which are rather broader, and more abrupt, 

 or notched at the end. Stipulas often in many slender divisions. 

 FL from 5 to 7 in each cluster, very small, pale blue, or almost 

 white, with 2 dark spots on the keel. Legumes short, dark 

 brown, besprinkled with hairs, to which the specific name alludes. 

 Seeds 2 in each legume, large and prominent; often, from abor- 

 tion, solitary. 



362. ORNITHOPUS. Bird's-foot. 



Linn. Gen. 38\. Jttss.36\. Fl.Br.776. Lam. t. 631. Gcerln. t. ]5:). 

 Ornithopodium. Tourn. t. 224. 



Cal. tubular, permanent ; the margin in 5, nearly equal, 

 teeth. Cor. of 5 petals ; standard obovate, ascending, en- 

 tire ; wings rather smaller, obovate, curved upward ; keel 

 still smaller, of 2 slightly tumid, converging, rounded 

 petals, with slender distinct claws. Filam. 10; 9 in one 

 compressed tube, slit along the upper edge ; the tenth ca- 

 pillary, distinct; all curved upward at the extremity. 

 Anth. minute, roundish. Germ, linear, compressed. Style 



VOL. III. u 



