93 LEGUMINOS^K. (PILSP: FAMILY.) 



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

 trate or astmiliii;,' ; Icallcts about 20, ol)long or linear-ol)loiijr, ohtusc or emar- 

 giuatc, suiootii aliove, more or less hairy beneath ; stipules ovate-lanceolate, 

 adnatc to tiie petioles ; peduncles as long as tlie leaves ; racemes .'^^oinewiiat capi- 

 tt\te, 10- 15-lio\vered ; calyx-teeth subulate, much shorter than the tube ; legume 

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

 seeded, at length smoothish. — Hills near Nashville, Tennessee, L(squtreux, and 

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

 Flowers 8" -9" long, apparently purple. 



* * Liipime IcfUid; lite ventral suture thickened aiul sometimes slif/htly hijlexcd. 



5. A. villosus, Mich.x. Villous and hoary ; stems prostrate ; leaflets 

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

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

 the tube- legume oblong, curved, 3-anglcd, even, 1-ccllcd. (Phaca villosa, 

 ]\^ult.) — Dry pine barrens, Florida to South Carolina. April and May. IJ. — 

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



18. VICIA, Touni. Vktcii. Tare. 



Calvx tubular, 5-clcft, the two upper teeth usually shorter. Style filiform, 

 hairv 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 - 2-Jlowcrfd. 



1. V. sativa, L. (Vktcu or Take.) Tubcsccnt ; stem simple; leaflets 

 10- 12, varying from obovatc-oblong to linear, einarginate ; flowers by pairs, 

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

 Introduced. ® — Corolla ^' long. Stem 1° -2° long. 



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

 acute; peduncles 1-2-flowcrcd; flowers miiuite, pale blue; legume sabre-shaped, 

 4 - 10-secdcd. — Banks of rivers and shaded ])laces, West Florida to North Ala- 

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



* * Peduncles commonly lonrjei- than the leaves, 3 - mani/-Jlourred. 



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

 peduncles 3-G-flowcred, about as long as the leaves, calyx-teeth ecjual ; flowers 

 small, bluish-white ; legume short, oblong, 2-secded. (V. Mitchelli, /?r//". Er- 

 vum liirsutuni, /..) — Cultivated ground. Introduced. April and May. 



4. V. acutifolia, Ell. Smooth ; leaflets about 4, linear or rai-ely oblong, 

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

 flowers pale blue, the keel tipfied with purple; legume linear. 4 - 8-scedcd. — 

 Damp soil near the coast, Florida and (Icorgia. March - May. IJ. — Stems 

 angled, 2°-l° long, branching. 



5. V. Caroliniana, Walt. Smootbish ; Icaflpts 8-12, linear or lincnr- 

 oblong, obtuse or ban'ly acute ; stipules small, subnlnte ; peduncles many fl<iw- 



