LEGUMINOS.E. (PULSE FAMILY.) 107 



oblong, obtuse or emargiiiate ; stipules ovate-lanceolate ; peduncles as long as 

 the leaves ; racemes short, 10- 15-flowered ; calyx teeth subulate ; legume ob- 

 long, curved, thick and fleshy, many-seeded. — North Alabama and Tennessee. 

 March -April. 2/ — Stems 4' -6' long. Flowers 8" -9" long, apparently 

 purple. 



* * Legume l-celled : the ventral suture thickened and sometimes slightly inflexed. 

 6. A. villosus, Michx. Villous and hoary; stems pro.strate; 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-augled, l-celled. — Dry pine barrens^ 

 Florida to South Carolina. April - May. 2/ — Stems 4'- 6' long. Flowers 

 small, dull yellow. 



17. VICIA, Tourn. Vetch, Tare. 



Calyx tulnilar, 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, l-2-Jlowered. 



1. V. sativa, L. (Vetch or Ta^e.) Pubescent; stem simple; leaflets 

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

 nearly sessile, pale purple; legume linear, several-seeded. — Cultivated 

 grouuds. Introduced, (l) — Corolla Y long. Stem 1° - 2° long. 



2. V. mierantha, 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, Florida to North 

 Alabama, and westward. April. (T) — Stems 2° -3° long. Seeds black. 



* * Peduncles commonli/ longer than the leaves, 3 - manjj-Jlowered. 



3. V. hirsuta, Koch. Hair}-; leaflets 12-14, oblong-linear, truncate; 

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

 ers small, bluish white ; legume short, oblong, 2-seeded. — Cultivated ground. 

 Introduced. April - 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. March -May. 2/ — Stems angled, 2° -4° long, 

 brandling. 



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

 olilong, obtuse or Ijarely acute ; stipules small, subulate ; peduncles many- 

 flowered ; calyx teeth sliorter than the tube ; flowers nearly white, tlie keel 

 tipped with blue ; legume oblong, several-seeded. — Dry open woods, chiefly 

 in .the upper districts. April -May. ^ — Stems 3° -4° long, branching. 

 Flowers 4" - 6" long. 



6. V. Ludoviciana, Nutt. Smoothish ; leaflets 10-15, elliptical, rounded 

 or emarginate at the tip ; peduncles 2 - 4-flowered, flowers small, pale blue ; 



