leguminosjT;. 
83 
2. 0. niger (L.) ; leaflets oblong-lanceolate or oblong more or 
less rounded at the end and apiculate in 3 — G pairs, stip. linear- 
lanceolate acute the lower ones half-arrowshapcd, st. branched 
erect angular not winged. — E. B. S. 2788. — Whole plant be- 
comes quite black in drying. Fl. variegated with red blue and 
purple. Pods linear. Seed oblong elliptical, dark brown, per- 
fectly smooth. — Rocky woods in Scotland, rare. P. VI. VII. — S. 
Tribe III. Hedysareoe. 
15. Ornithopus Linn. 
1. 0. perpttsillus (L.) ; peduncles longer than the leaves, 
calyx-teeth triangular acute ^ the length of their tube, beak 
as long as a joint of the pod. — E. B. 369. — A small prostrate 
plant, 3 — 12 in. long. L. with5j — 12$ pairs of elliptical downy 
leaflets. Fl. small ; calyx hairy, cor. white with crimson veins. 
Pods curved, joints beadlike wrinkled lengthwise. A minute 
scale at the base of each pedicel. — Dry sandy and gravelly 
places. A. V.— VII. Birdsfoot. 
16. Arthrolobium Desv. 
1. A. ebracteatum (DC.) ; peduncles about as long as the 1. 
2 — 4-flowered, stip. minute distinct, 1. pinnate with many pairs 
of elliptic-oblong leaflets, the lowest pair remote from the stem. 
— E. B. S. 2844 — St. prostrate filiform. Fl. small, yellow, 
standard red externally. Pod curved upwards, joints cylindrical 
rugose. A minute scale at the base of each pedicel but no leafy 
bract.— Channel and Scilly Islands. A. VI. VII. E. 
17. HirpocREPis Linn. 
1. //. comosa (L.) ; pods umbellate, their joints rough curved 
neither dilated nor bordered glabrous, peduncles longer than the 
leaves. — E. B. 31. — St. procumbent, often a foot long. Fl. 
yellow. Leaflets 7 — 13, obovate, obtuse or emarginate, apiculate. 
— Dry chalky banks. P. V. — VIII. Horseshoe Vetch. E. 
18. Onobrychis Gaert. 
1. 0. sativa (Lam.) ; wings shorter than the calyx, keel about 
as long as the standard, st. ascending, pods with reticulated 
spinous elevations on the disk and short sharp flat teeth on the 
lower suture.— E. B. 96. Mart. Rust. 47. St. 19. 10.— St. 
often 2 feet long, recumbent. Fl. in long dense terminal ra- 
cemes, crimson, variegated. Tube of the calyx silky, short ; 
teeth very long. Leaflets elliptic-oblong, mucronate, entire, gla- 
brous above, in about 12 | pairs. — On chalky and limestone hills. 
P. VI. VII. Saintfoin. E. S. 
