26. eosacEjB. 97 



Tribe III. Hedysarece. 



15. OKifi'THOPTrs Linn. Bird's foot. 



1. O. 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. B. 369. — A small prostrate plant, 

 3 — 12 in . long. L. with 5^ — 12^ pairs of elliptic downy leaflets. 

 Fl. small 5 calyx hairy, cor. white with crimson veins. Pods 

 curved, joints beadlike wrinkled lengthwise. — Dry sandy and 

 gravelly places. A. V.— VII. • E. S. I. 



16. Aeihrolo'bium Besv. 



1. A. ebractedtum (DO.) ; ped. about equalling the 1. 2 — 4- 

 flowered, stip. minute distinct, 1. pinnate with many pairs of 

 elliptic-oblong leaflets, the lowest pair remote from the stem. — 

 m. B. S. 2844. — St. prostrate, filiform. Fl. small, yellow, stan- 

 dard red externally. Pod. curved upwards, jointe cylindrical 

 rugose. — Channel and Scilly Islands. A. VI. VII. E. 



17. HiPPOCRE'Pis Idnn. Horseshoe Vetch. 



1. -H". comdsa (L.) ; pods umbellate, their joints rough curved 

 neither dilated nor borderedj joinings glabrous, pedimcles longer 

 than the leaves. — S. B. 31.^St. procumbent, often a foot long. 

 Fl. yeUow. Leaflets 7 — 13, . obovate, blunt or emarginate, api- 

 culate. — Dry calcareous banks. P. V. — VIII. E. 



18. Onobet'chis Gaert. Sainfoin. Cock's-head. 



1. O. sativa (Lam.); vsdngs shorter than the calyx, keel 

 about as long as the standard, st. ascending, pods with netted 

 spinous elevations on the disk and short sharp flat teeth on the 

 lower suture.— JJ. B. 96. St. 19. 10.— St. often 2 feet long, 

 Fl. in long dense racemes, crimson, variegated. Tube of the 

 calyx silky, short ; teeth very long. Leaflets elliptic-oblong, 

 mucronate, entire glabrous above, in about 12^ pairs. — On 

 chalky and limestone hills. P. VI. VII. E. 



Order XXVI. EOSACE^. 



ted, or 8 — 10-partedin 2 rows, 



^„ „^^ „jr the ovary ; odd lobe superior. _ _ _ , 



equal, perigynous. Stam. perigynous, usually indefinite. Carp, 

 several or solitary, distinct or connate or adnate to the calyx. 



Oal. 4 — 6-parted, or 8 — 10-partedin 2 rows, free, or adhering 

 to and enclosing the ovary ; odd lobe superior. Pet. usually 5, 



