154 LEGUMINOSiE. Vicia. 



Tribe IV. Tripolie*. Stamens diaddphous. Legume not jointed, dehiscent and several-seeded, or 1 - 2-seeded and 



indehiscent. — Mostly low herbs. Leaves trifoliolate, without stipelles : leaflets often toothed or serrulate. 

 Tribe V. AsTRAOiLEa;. Stamens diadelphous. Legume turgid or inflated, often spuriously 2-celled longitudinally 



by the introflexion of one of the sutures. — Herbs, mostly with unequally pinnate leaves which are destitute 



of stipelles. 

 Tribe VL HEDysiBE*;. Stamens monadelphous or diadelphous. Legume (loment) transversely divided into several 



indehiscent one-seeded joints, or sometimes reduced to a single one-seeded cell. — Leaves (in all the United 



States genera) pinnately trifoliolate. 

 Tribe VII. Genisteje, Stamens monadelphous: uithers of two forms. Legumes not jointed, but sometimes intercepted 



internally. — Leaves simple or palmately compound, not stipellate. 

 Tribe VIII. SoPHORE£. Stamens distinct : anthers uniform. Legume continuous, or frequently monitiform, but not 



jointed. 



 Corolla irregular, or sometimes nearly regular, never truly papUwnaeeotis. 



Tribe IX. CissiEjE. Stamens distinct, sometimes fewer than 10: anthers mostly of two forms. Legume not jointed, 

 or spuriously many-celled by transverse partitions between the joints. — Leaves pinnate or bipinnate. 



Tribb I. VICIEM. DC. 



Corolla papilionaceous. Stamens diadelphous (9 ^ 1 ). Legume continuous (not articulated), 

 2-valved, dehiscent. Radicle bent back on the edge of the cotyledons. Cotyledons thick 

 and farinaceous, remaining underground unchanged in form during germination. — 

 Herbs with abruptly pinnate leaves; the common petiole not articulated to the stem, 

 extended beyond the apex into a bristle or tendril. 



CONSPECTUS OF THE GENERA. 



1. Vicii. Style with a tuft of hair at the summit, particularly on the outside (next'the keel). 



2. Erti;m. Style pubescent on the sides, or all around, below the stigma. 



3. Lathyrits. Style pubescent on the inner surface (next the &ee stamen). 



1. VICIA. Tourn. ; Endl. gen. 6581. VETCB. 



[ " Name originally derived from the Celtic word gu)ig " (De Theis) ; vfichen in Geiman ; vicia, Latin ; vesce, French.] 



Calyx tubular-campanulate, 5-cleft or 5-toothed ; the 2 upper teeth shortest. Style filiform, 

 bent at a right angle with the ovary, villous at the apex, particularly on the outside (next 

 the keel). Legume oblong, several-seeded. — Mostly climbing herbs. Leaflets in several 

 pairs. Petioles produced into branching tendrils. Peduncles axillary, 



* Peduncles elongated. 



1. ViciA Americana, MuJil. American Vetch, 



Smooth ; leaflets numerous (10- 14), elliptical-lanceolate or ovate-oblong, obtuse or retuse, 

 raucronate ; stipules (small) semisagittate, deeply toothed ; peduncles shorter than the leaves, 

 4 - 8-flowered ; lower teeth of the calyx broadly lanceolate ; style very villous at the apex ; 

 legumes linear-oblong, compressed, reticulated, smooth. — Muhl, in Willd. sp. 3. p. 1096; 



