156 LEGUMINOS^. vicia. 



V. semicincta Greene Eryth. iii, 17. Stoutish, very leafy, probably 

 several i'eet high, the stem very prominently stnate-angled and puberu- 

 lent : leaflets 20-24, approximate, about 1 inch long, oblong-linear, mu- 

 cronate, glabrous above, beneath silky-puberulent : peduncles far surpass- 

 ing the leaves, the flowers probably in a short and dense raceme: pods 

 obliquely oblong-linear, less than 9 lines long, glaucescent, not blackening 

 in maturity, few-seeded: seeds globose, 1% lines thick, dull black, nearly 

 half encircled by the hilum. On Crane Creek, southeastern Oregon. (Mrs. 

 R. M. Austin, 1893.) 



V. Americana Muhl. Willd. Sp. iii, 1096. Glabrous throughout : 

 stems 1-4 feet high, from creeping jointed rootstocks: leaflets 4-8 pairs, 

 variable, usually oblong to oblong-lanceolate, obtuse or truncate, mu- 

 cronate, entire, somewhat coriaceous, prominently veined and reticulated, 

 6-12 lines long : peduncles shorter than the leaves, 4-8-flowered ; flowers 

 purple, 6-9 lines long; calyx tubular, the 2 upper teeth very short or ob- 

 solete, the lateral ones broadly subulate, the lower one narrow, not half as 

 long as the corolla ; style very villous at the top : pods oblong, glabrous, 

 an inch or more long, 3-6-seeded ; seeds dark purple, \% lines in diameter. 

 Common in copses, Oregon and Washington to the Atlantic States and 

 Canada . 



V. truncata Nutt. T. & G. Fl. i, 270. Somewhat pubescent: stems 1-2 

 feet high, weak: leaflets 5-6 pairs, oblong-linear, usually truncate, 

 serrate or tridentate at the apex, 10-12 lines long by 1-4 lines broad, the 

 lowest ones often simply acute and apiculate ; stipules lunate, incisely 

 serrate : peduncles 4-7-flowered, rather shorter than the leaves ; lower 

 teeth of the calyx lanceolate, acuminate, the upper ones very short, tri- 

 angular ; style very villous at the apex : pods oblong, an inch long, 1-8- 

 seeded : seeds globular, Y)A lines in diameter. Common in copses, Brit. 

 Columbia to California. 



V. Californtca Greene Fl. Fr. 3. Villous-pubescent : stems erect or 

 decumbent, 6-12 inches high, scarcely climbing, the tendrils usually short 

 and stiffish, not branching: leaflets 8-14, delicately feather-veined, cune- 

 ate oblong to oblong or orbicular, truncate, or retuse, mucronate, 2-7 lines 

 long, more or less dentate toward the apex : peduncles 3-5-flowered ; up- 

 per teeth of the calyx triangular, the lower ones subulate ; corolla 6-9 

 lines long, deep purple: pods oblong, pubescent, 2-10-seeded. In copses, 

 southern Oregon to California. 



* * Few-flowered annuals. 



V. exigua Nutt. T. & G. Fl. i, 272. More or less pubescent: stems 

 slender, 4-18 inches high, branching: leaflets 6-8, oblong to linear, ob- 

 tuse, often tridentate at the apex, 2-12 lines long : peduncles filiform, 1-2- 

 flowered, shorter than the leaves; teeth of the calyx lanceolate, broad at 

 the base, shorter than the tube; corolla white or purple, 3 lines long: 

 pods oblong, nearly sessile, 8-12 lines long, glabrous, 2-8-seeded. South - 

 ern Oregon to California. 



* * * Annuals: flowers 3-6, on elongated peduncles. 



V. iiirsuta Koch Syn. 191. Steins weak and slender, branching: leaf- 

 lets 4-10 pairs, linear, truncate or retuse at the apex, mucronulate : pe- 

 duncles 3— 6-flowered, about the length of the leaves; flowers white, 2 lines 

 l<»ng; calyx hairy, the subulate teeth nearly equalling the petals, all 

 nearly alike: pods oblong, 4-6 lines long, torulose, hirsute. 2-seeded ; seeds 

 Sllbglobose, somewhat compressed. In fields and roadsides, western Ore- 

 gon and Washington. Introduced from Europe. 



* * * * Annuals ; flowers 1--2, sessile in the axils of the upper 



leaves. 



V. SATIVA L. Sp. 736. (tares). Rather stout, somewhat pubescent- 



