146 DIADELPHIA DECANDRIA. [CI. 17. 



358. 6R0BUS. Bitter- vetch. 



1. O. tuberosus, 17. 1153. (Common B. Heath-pea.) Leaves pin- 

 nate, elliptic-lanceolate. Stipulas half-arrow-shaped ; toothed 

 at the base. Stem simple, erect. 

 Heaths & woods. If. 5, 6. JR. knobbed, sweetish. Fl. purple Sf red. 



2. O. niger, Suppl. 2788. (Black. B.) Leaves pinnate, of from four 



to six pairs of elliptic-lanceolate leaflets. Stipulas linear-awl- 

 shaped, simple, entire. Stem branched, angular, erect. 

 Shady rocks, Scot. "If. 6, 7. JR. tapering. FL eleg., bluish purp. 



3. O. sylvdtica, 8. 518. (Wood B.) Stems recumbent, hairy, 



branched. Leaflets numerous. 

 Mount, woods, rare. If.. 5,6. Pet. cream-col. streaked with purp. 

 Infi. a wax. found in Cardiganshire, the leaves are large, simple, 

 ovate ! 



359. LATHYRUS. Vetchling. 



* Flowers mostly solitary. 



1. L. Aphaca, 17. 1167. (Yellow V.) Tendrils without leaves. 



Stipulas between heart- and arrow-shaped. 

 Gravelly places, rare. 0. 6 — 8. L. 0. Stip. large. Fl. lemon-col. 



2. L. Nissolia, 2. 112. (Crimson V.) Leaves simple, without ten- 



drils. Stipulas awl-shaped. 

 Bushy pi. Q.5. Herb grassy. Fl.crims.,varieg. with purp. 8f white. 



** Flowers in pairs. 



3. L. hirsutus, 18. 1255. (Rough-podded V.) Each tendril with 



a pair of linear-lanceolate leaflets. Legumes hairy. Seeds rough. 

 Fields, rare. . 7. Stem hairy, winged. Stand, crims.; keelwhite. 



*** Flowers numerous on each stalk. 



4. L. pratensis, 10. 670. (Meadow V.) Tendrils mostly simple, 



each bearing a pair of lanceolate leaflets. 

 Mead, and past. If. 7, 8. Smooth. Stems angular. Fl. bright yell 



5. L. sylvestris, 12. 805. (Narrow-leaved Everlasting Pea.) Ten- 



drils branched, each bearing a pair of sword-shaped leaflets. 

 Stem winged. 

 Thick, and moist hedges. If . 7, 8. 6 f. Fl. purp. with violet wings. 



6. L. latif alius, 16. 1108. (Broad-leaved Everlasting Pea.) Tendrils 



branched, each bearing a pair of elliptical leaflets. Stem winged. 

 Woods, rare : native? If. 7, 8. Fl. large ; pet. all rose-col. 



7. L. palustris, 3. 169. (Marsh V.) Tendrils branched, each bear- 



ing several elliptic-lanceolate leaflets. Stipulas lanceolate. 

 Humid mead, and thick. If. 7, 8. 4f. winged. Fl. varieg. with 

 blue and purple. 



360. VlCIA. Vetch. 



* Stalks elongated, many-flowered. 



1. V. sylvatica, 2. 79. (Wood V.) Leaflets elliptical. Stipulas cres- 

 cent-shaped, deeply toothed. 



