98 LEGUMINOS^:. (PULSE FAMILY.) 



4. A. Tennesseensis, Gray. Villous with white hairs ; stems pros- 

 trate or ascending ; leaflets about 20, oblong or linear-oblong, obtuse or emar- 

 ginate, smooth above, more or less hairy beneath; stipules ovate-lanceolate, 

 adnate to the petioles ; peduncles as long as the leaves ; racemes somewhat capi- 

 tate, 10-15-flowered; calyx-teeth subulate, much shorter than the tube; legume 

 oblong, curved, thick and fleshy, reticulate-rugose when dry, 2-celled, many- 

 seeded, at length smoothish. Hills near Nashville, Tennessee, Lesquereux, and 

 Lagrange, Alabama, Prof. Hatch. March and April, ty Stems 4' - 6' long. 

 Flowers 8" - 9" long, apparently -purple. 



* * Legume 1-celled; the ventral suture thickened and sometimes slightly injlexed. 



5. A. villoSUS, Michx. Villous and hoary ; stems prostrate ; leaflets 

 about 13, oval or oblong, commonly emarginate ; stipules lanceolate, peduncles 

 as long as the leaves ; racemes ovate, dense-flowered ; calyx-teeth longer than 

 the tube- legume oblong, curved, 3-angled, eA r en, 1-celled. (Phaea villosa, 

 jVutt.) Dry pine barrens, Florida to South Carolina. April and May. 1|. 

 Stems 4' - 6' long. Flowers small, dull yellow. 



18. VICIA, Toura. VETCH. TARE. 



Calyx tubular, 5-cleft, the two upper teeth usually shorter. Style filiform, 

 hairy at the apex, or on the side facing the keel. Legume 2 - many-seeded, 2- 

 valved. Seeds orbicular. Cotyledons thick. Slender climbing herbs. Leaves 

 pinnate ; the petiole terminating in a tendril. Stipules mostly semi-sagittate. 

 Flowers axillary. 



* Peduncles shorter than the leaves, 1 - ^-flowered. 



1. V. sativa, L. (VETCH or TARE.) Pubescent; stem simple; leaflets 

 10-12, varying from obovate-oblong to linear, emarginate; flowers by pairs, 

 nearly sessile, ^ale purple ; legume linear, several-seeded. Cultivated grounds. 

 Introduced. Corolla ' long. Stem 1 -2 long. 



2. V. micrantha, Nutt. Smooth ; leaflets 4-6, linear, obtuse or barely 

 acute ; peduncles 1 - 2-flowered ; flowers minute, pale blue ; legume sabre-shaped, 

 4 - 10-seeded. Banks of rivers and shaded places, West Florida to North Ala- 

 bama, and westward. April. @ Stems 2 - 3 long. Seeds black. 



* * Peduncles commonly longer than the leaves, 3 - many-flowered. 



3. V. hirSUta, Koch. Hairy; leaflets 12-14, oblong-linear, truncate; 

 peduncles 3 - 6-flowered, about as long as the leaves, calyx-teeth equal ; flowers 

 small, bluish-white ; legume short, oblong, 2-seeded. (V. Mitchell!, Raf. Er- 

 vum hirsutum, L.) Cultivated ground. Introduced. April and May. 



4. V. acutifolia, Ell. Smooth ; leaflets about 4, linear or rarely oblong, 

 acute or truncate ; peduncles 4 - 8-flowered, usually longer than the leaves ; 

 flowers pale blue, the keel tipped with purple ; legume linear, 4 - 8-seeded. 

 Damp soil near the coast, Florida and Georgia. March - May. 1|. Stems 

 angled, 2 - 4 long, branching. 



5. V. Caroliniana, Walt. Smoothish; leaflets 8-12, linear or linear- 

 oblong, obtuse or barely acute ; stipules small, subulate ; peduncles many-flow- 



