273 LEGUMINOS^. Vicia. 



*-7 flowered ; lower teeth of the calyx ovate-lanceolate, shorter than the 

 tube, the upper ones very short ; legume slightly falcate, 4-8-seeded. — Ell. sk. 

 2. p. 225; DC. prodr. 2. p. 357. V. lutescens, Muhl. cat. fide Leconte. 

 V. paucifolia, Nutt. ! ms,s. 



p. leaflets elliptical, obtuse ; peduncles shorter, about 2-flowered. 



Low grounds, Georgia, Le Conte ! Middle Florida, Z^r.C7io/j???o?7/ Nnttall! 

 Near St. Marks, Dr. LeaTe7ivorth! &t. John's, Florida, Mr. Donbled ay ! 

 — (X)'? Stem 2-3 feet long, climbing very slender. Leaflets 6-10 lines 

 long, scarcely a line wide. Tendrils usually undivided. Flowers half as 

 large as in V. Cracca, white, tinged with blue. 



JU-12. V. tetrasperma (Loisel.) : stem somewhat csespitose, glabrous ; leaf- 

 lets 4-6, oblong ; stipules lanceolate, semisagittate ; peduncles usually 2- 

 (somctimes 1- or 3-4-) flowered ; teeth of the calyx lanceolate, shorter than 

 the tube, the sinuses acute ; legume oblong, glabrous, usually 4-seeded. — 

 Loisel. fl. Gall. 1. p. 460. V. pusilla, Muhl. in Willd. sp. 3. p. 1106; 

 Pursli, jl. 2. p. 471 ; Big-el. fl. Bost. p. 270. Ervum tetraspermum, Linn.; 

 DC. prodr. 2. p. 367 ; Hook. fl. Bor.-Am. 1. p. 158. 



Banks of rivers, Canada ! to New Jersey ! Pennsylvania, Muhlenberg. 

 July. — (T) Stem 1-2 feet long, very slender. Leaflets 5-10 lines long, and 

 one line Avide, mostly obtuse. Tendrils divided. Peduncles filiform. Flow- 

 ers very small, white, often with a tinge of blue. Legumes half an inch long, 

 somettmes 5-seeded. Seeds subglobose. 



13. V. exigua (Nutt. ! mss.) : "pubescent ; leaflets 6-8, linear-oblong, rath- 

 er obtuse; stipules narrow, semisagittate, entire or incisely serrate; pedun- 

 cles filiform, 1- (sometimes 2-) flowered, shorter than the leaves; teeth of the 

 calyx lanceolate, broad at the base, shorter than the tube, the sinuses obtuse; 

 legume oblong, glabrous, 4-5-seeded. 



" Plains of the Oregon and Upper California. Very much resembling the 

 preceding species. — The plant from Oregon is more slender and the leaflets 

 narrower." Nidtall. 



* Floioers nearly sessile. 



,* 14. F. saizva (Linn.) : somewhat pubescent; stem simple, decumbent or 

 climbing; leaflets 10-12, varying from obovate-oblong to linear, retuse, mu- 

 cronulate ; stipules semisagittate, somewhat toothed ; tendrils branched ; 

 flowers solitary or in pairs ; calyx cylindrical ; the segments as long as the tube, 

 lanceolate-subulate, nearly equal; style short, bearded at the apex; legumes 

 compressed, torulose, erectish, reticulated ; seeds orbicular, somewhat com- 

 pressed.— !:«§■. hot t. 334; Mich.v. ! fl. 2. p. 69 ; Pvrsh. fl. 2. p. 270; DC. 

 prodr. 2. p. 360 ; Bigel. /?. Bost. p. 270 ; Hook. I. c. ; Darlingt. fl. Cest. 

 p. 425. V. Canadensis, ^uccagni ; DC. I. c. ? 



j^. ^. angustifolia (Seringe, in DC. 1. c. ): leaflets narrowly linear and 

 ' 'elongated, obtusish or shghtly retuse, mucronate; seeds nearly globose. V. 

 sativa /?. Linn. V. angustifolia, Roth. 



Cultivated fields and waste places; common: introduced from Europe. 

 i. Bordentown, New Jersey, Mr. Durand! June- July. — Q~) Corolla about 

 half an inch long, pale violet-purple. Legume 1-2 inches long, usually mi- 

 nutely hairy. — Common Vetch. Tare. 



X Doubtful species. 



15. V. trid entaf a (Schwein): stem sulcate, somewhat pubescent; leaf- 

 lets numerous, narrowly oblong, entire, obtuse, mucronulate, sparingly hairy 

 above, densely hairy beneath ; lower stipiiles cuneiform, broadly 3-cleft, 3- 



