PI. ex. cal. 63. LEGUM1NOSJE. 376. Orobus. 613 
1 . Orohns sylvaticus . Wood pease ling. 
Leaves pinnate, hairy, 7 to 10-paired; leaflets ovate, 
oblong; stipules nearly arrowshape ; stem branched, trail- 
ing, hairy at bottom. 
Orobus sylvaticus nostras, Raii Syn. 324, 1. 
Orobus sylvaticus, Lin . S. P . 1029. 
Vicia Cassubica, FI. Dan. 98, not of Linnaeus. 
Mountainous woods and hedges; perennial; May, June. 
Root woody; stems many, slightly branched; tendrils 
very small ; leaflets ovate, pointed, hairy beneath ; flowers 
many, racemous, 1 -sided, yellowish with purple lines; calyx 
hairy ; legumen ovate, bald, 3-seeded. 
jS. simplicifolius . Leaves very large, simple ; plant barren. 
2. Orobus tuberosus. Tuberous peaseling. 
Leaves pinnate, 2 to 4 -paired ; leaflets lanceolate, pale, 
glaucous beneath; stipule nearly arrowshape, 4 or 5-toothed ; 
stem simple, winged. 
Orobus sylvaticus foliis oblongis glabris, Raii Syn. 324,2. 
Astragalus sylvaticus, Ger. em. 1237, 2. 
Lathyrus sylvestris lignosior, Park. 1072. 
Orobus tuberosus, Lin. S.P. 1028. 
Heath pea. Wood pea. Cor-meille , Highlanders. 
Heaths and pastures ; perennial ; May and June. 
Root tuberous; stem angular; leaves not ending in a 
tendril ; leaflets blackish green, bald, flat ; flowers racemous, 
one-rowed, purplish red growing blue ; legumen many 
seeded ; style persisting. — Tubers nutritive. 
3. Orobus tenuifolius . Fineleaved peaseling. 
Leaves pinnate, 2 or 3-paired; leaflets slender, linear, 
pointed, grooved above; stipules lanceolate, pointed, toothed 
at bottom. 
Orobus tuberosus /?, Willd. S. P. 
Orobus tenuifolius, Roth FI. Germ. 1305. 
Sandy places; perennial; May and June. 
Root tuberous ; stem 9 inches high, weak, 4-angled be- 
low, winged above; flowers small, light-coloured. 
XVI. 377. VICIA. Pliny. Vetch 
Calyx tubular, 5-cut ; 2 upper lobes short ; style thread- 
like, in a right angle with the ovary, hairy above and be- 
low the tip ; legumen oblong, many-seeded. 
