86 25. LEGUMINOS^E. 



gling. Pebbly sea-shores, rare. /3. Burrafirth, Unst, Shetland. 

 P. VII. VIII. Sea Pea. 



9. L. macrorrhizus (Wimm.); st. simple winged, peduncles 

 2 4-flowered, 1. of 2 3 pairs of oblong or lanceolate blunt api- 

 culate leaflets without tendrils, stip. half-arrowshaped broad, pods 

 cylindrical, seeds globose % surrounded by the hilum. Orobus 

 tuberosus Sm. E, E. 1153. Root tuberous. L. glaucous be- 

 neath. Fl. purple, variegated with red and blue. /3. tenuifolius ; 

 Its. linear. Woods and thickets in hilly countries. P. VI. VII. 



10. L. niger (TVimm.) ; st. branched not winged, ped. many- 

 flowered, 1. of 3 6 pairs of lanceolate or oblong leaflets without 

 tendrils, stip. linear- subulate the lower ones half-arrowshaped, 

 pods slightly compressed, seeds oval ^ surrounded by the hilum. 

 Orobus Sm., E. E. S. 2/88. Turns black in drying. Fl. va- 

 riegated with red, blue and purple. Pods linear. Seed dark 

 brown, perfectly smooth. Rocky woods in Scotland, rare. P. 

 VI. VII. S. 



Tribe III. Hedysarece. 



14. ORNITHOPUS Linn. Birdsfoot. 



1. 0. perpusillus (L.); ped. exceeding the leaves, calyx-teeth 

 triangular acute the length of their tube, beak scarcely as long 

 as a joint of the pod. E. E. 369. A small prostrate plant, 

 312 in. long. L. with 5 12 pairs of elliptical downy leaf- 

 lets. Fl. small; calyx hairy, cor. white with crimson veins. 

 Pods curved, joints beadlike wrinkled lengthwise. Dry sandy 

 and gravelly places. A. V. VII. 



15. ARTHROLOBTUM Desv. 



1. A. ebracteatum (DC.); 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. 

 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. 



16. HIPPOCREPIS Linn. Horseshoe Vetch. 



1. H. comosa (L.); pods umbellate, their joints rough curved 

 neither dilated nor bordered, joinings glabrous, peduncles longer 

 tiian the leaves. E. E. 31. St. procumbent, often a foot long. 

 Fl. yellow. Leaflets 7 13, obovate, obtuse or emarginate, api- 

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



