LATHYRUS. — HIPPOCREPIS. 
103 
**** L. pinnate, without tendrils. Orobxjs. 
9. L. monta'nus (Bernh.) ; st. simple iringed, peduncles 2 — 4- 
flowered, 1. of 2 — 3 pairs of oblong or lanceolate' blunt apiculate 
leaflets without tendrils, stip. half-arrowshaped broad, pods 
c}/lindrical, seeds globose -J surrounded by the hile. — L. ma- 
crorrhizus (Wimm.) 0. tuberosus (L.). £. B. 1153. — Root 
tuberous. L. glaucous beneath. Fl. purple, variegated with 
red and blue. — ^. 0. tenuifolius (Roth) ; Its. linear. — Woods 
and thickets in hilly countries. P. V. — VII. E. S. I. 
10. L. n'lger (Bernh.) ; st. branched not winged, ped. many- 
flowered, 1. of 3 — 6 pairs of lanceolate or oblong leaflets ivithout 
tendrils, stip. linear-subulate the lower ones half-arrowshaped, 
pods slightly compressed, seeds oval -j surrounded by the hile. 
— E. B. 'S. 2788. — Turns black in drying. Fl. variegated with 
red, blue, and purple. Pods linear. Seed dark brown, perfectly 
smooth. — Rocky woods in Scotland, rare. P. VI. VII. S. 
Tribe III. Hedysarece. 
16. Oeni'thopus Linn. em. Desv. Bird's Foot. 
1. 0. perpusil'lus (L.); ped. exceeding the leaves, calyx-teeth 
triangular acute ^ the length of their tube, beak scarcely as 
long as a joint of the pod. — £. B. 369. — A small prostrate plant, 
3 — 12 in. long. L. with 5| — 12 jj)airs of elliptic downy leaflets. 
Fl. small ; calyx hairy, cor. white with crimson veins. Pods 
curved, joints beadlike wrinkled lengthwise. — Dry sandy and 
gravelly places. A. V. — VII. E. S. I. 
17. Arthrolo'bitjm Desv. 
1. A. pinndtum (Rend. & Br.) ; ped. about equalling the 1. 
2 — 4-Ilowered, stip. minute distinct, 1. pinnate with many pairs 
of elliptic-oblong leaflets, the lowest pair remote from the 
stem. — A. ebractedtum (DC.) E. B. S. 2844. — St. prostrate, 
filiform. Fl. small, yellow, standard red externally. Pod. 
curved upwards, joints cylindrical rugose. — Channel and Scilly 
Islands. A. VI. VII. E. 
18. Hippocre'pis Linn. Horseshoe Vetch. 
1. H. comosa (L.) ; pods umbellate, their joints rough curved 
neither dilated nor bordered, joinmgs glabrous, peduncles 
longer than the leaves. — E. B. 31. — St. procumbent, often a foot 
long. Fl. yellow. Leaflets 7 — 13, obovate, blunt or emarginate, 
apiculate. — Dry calcareous banks. P. V. — VIII. E. 
