LEGUMINIFER^. 145 



Var. /3. glabriusculus. — Plant entirely glabrous. Calyx-teeth 

 glabrous or scarcely ciliated. 



Ii. angustissimus, Lin. Slender Bird's-foot Trefoil. — e.b. 

 925. L.B.s. 285. 



Stems slender, hairy, leafy, j)rostrate. Lower leaflets obovate, 

 upper oblong, all hairy; stipules ovate-lanceolate, longer than 

 the petiole. Peduncles 1-2-flowered, slender, as long as the 

 leaves (peduncles of the fruit longer than the leaves ?) . Calyx- 

 teeth lanceolate-acuminate. Wings of the corolla dilated and 

 rounded at the apex. Legume straight, very slender, cylindrical, 

 six times as long as the calyx, crowned by the long slender style. 

 Seeds small, round. 



South and West of England, near the sea. Annual ; May- 

 August. 



Var. /8. seringianus, Bab. — Peduncles of the flower and fruit 

 as long as the leaves. Stem ascending. 



L. hispidus, Desf. Hairy Bird's-foot Trefoil. — e.b.s. 2823. 

 L.B.s. 285 b. 



A.]. C. 2. Lat. 50-51°. Alt. 0-? yds. Tern. 52°. 



Stems thicker than they are in L. angustissimus, also the sti- 

 pules are broader and blunter. Peduncles 2-4-flowered. Wings 

 of the corolla attenuated and rounded at the apex. Legume 

 rugose, only about twice as long as the calyx, about twice as 

 thick as in the above spedjcs. 



Near the sea in Devon and Cornwall. Annual ; May- August. 



Medicago, Lin. — Annual or perennial herbaceous plants, with 

 trifoliate stipulate leaves. Flowers clustered or spiked, axillary 

 or terminal, usually yellow. Calyx campanulate, in five divisions. 

 Corolla caducous. Stamens diadelphous (in two parcels). Style 

 filiform, glabrous. Legume reniform [oblong) , falcate or spirally 

 convoluted (somewhat like a screw), usually indehiscent (not 

 opening). Seeds kidney-shaped, smooth. 



Sect. I. LtTPTTiAEiA. — Legume not spinous. 



M. lupulina, L. Black Medick, or None-Such. — e.b. 971. 

 L.B.s. 260. 



A. ]?. C. 75. Lat. 50-58°. Alt. 0-200 yds. Tern. 52-47°. 



Root slender. Stems erect, ascending, or spreading, much 

 branched, slightly pubescent. Leaflets obovate, cuneate at the 

 base, notched or entire at the apex, and toothed (often obcordate 



19 " 



