LATHTRTO. OEXITHOPTTS. 95 



St. climbing 5 or 6 feet. PI. rosy ptirpte, large. — A very doubt- 

 ful native. P.VII. vm.] E. S. 



** * Petioles with 2 or mo)-e pairs of leaflets and a tendril. 



7. L.palus'tris ( L.) ; St. winged, ped. long mauv-flo-wered, Its. 

 in 2 or B pairs linear-lanceolate acute, stip. half-arrowshaped 

 lanceolate, " pods linear-oblong compressed ; seeds round com- 

 pressed smootli \ surrounded by the bile.'' — St. 2 — 3 feet high. 

 FL bluish purple. — ^Boggy meadows, rare. P. VI. VU. E. S. 1. 



8. L. marHimus (Big.) ; st. angular not loinged, ped. short 

 many-flowered, Its. in .3 or 4 paii'S oval, slip, large oval cordate- 

 hastate, pods oblong obliquely net-veined, seeds globose \ sur- 

 rounded by the hile. — Pisum Sm. — St. prostrate. Leaflets 

 large, blunt but apiculate ; petioles Often recurved. Fl. purple, 

 variegated. — /3. acutifoUus (Bab.) ; leaflets elliptic-lanceolate 

 acute, petioles straight, stems slender straggling. — Pebbly sea- 

 shores, rare. ;8. Burrafirth, Unst, Shetland. P. VU. VIII. " 

 Sea Pea. E. S. I. 



**** L. pinnate, ivithcnit tendrils. Obobus. 



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

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

 apiculate leaflets mthmct tendrils, stip. haJf-an-owshaped broad, 

 pods cylindrical, seeds globose \ surrounded by the hile. — 



Orobus tuherosus Sm. — ^Root tuberous. L. glaucous beneath. 

 Fl. purple, variegated with red and blue. — fi. O. temiifoliiis 

 (Roth) ; Its. linear. — "Woods and thickets in hilly countries. 



P. vr. xa. E, s. I. 



10. i. niger (Wimm.) ; st. branched not vyinged, ped. many- 

 flowered, 1. of 3 — 6 pairs of lanceolate or oblong leaflets trithvuf 

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

 pods slightly compressed, seeds oval J surrounded ~hj the hile. 

 — Orobus Sm., -B. B. S. 2788. — Turns black in drying. Fl. va- 

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

 brown, perfectly smooth. — Kocky woods in Scotland, rare. ' P. 



VI. vn. S. 



Tribe III. Hedysarea. 

 15. Obxi'thoptjs Linn. Bird's foot. , 



' , Tl,' , 



1. 0.perpusiIlus(L.)-, ped. exceeding the leaves, cr-lyx-teetb 

 triangular acute ^ the length of theii tube, , beak, scarcely as 

 long as a joint of the pod. A small prostrate plant,. 3 — 12 in. 

 long. L. with 5^ — 12i pairs of elliptic downy leaflets.' FL 



