GE* 



PEA FAMILY. 



409 



i. V:ia Cracca L. Tufted or Cow Vetch. 

 Hue or Bird Vetch. Fig. 2613. 



rca L. Sp. PI. 735- 1753- 



ial, finely pubescent or sometimes glabrate, 



stems .fted, slender, weak, climbing or trailing, 



Stipules linear, acute, entire, i "-4" long; 



arly sessile; leaflets 8-24, thin, linear or 



linear- long, obtuse or acutish, mucronate, 8"-io" 



'-2" wide ; peduncles axillary, shorter than 



i, ling the leaves; spike-like racemes dense, 



1-4' long; flowers bluish-purple, sometimes 



'-6" long, reflexed ; pod short-stalked, gla- 



-12" long, about 3" wide, S-8-seeded. 



soil, Newfoundland to British Columbia, New 

 w Jersey, Kentucky, Iowa and Washington, 

 i ,rope and Asia. Tinegrass. Cat-peas. Canada- 

 pea. J.e-Aug. 



, /illosa Roth, is a similar Old World species, 

 but vi .s-gubescent, annual or biennial in duration, 

 and wi larger flowers, locally spontaneous after culti- 

 vation fodder. 



2. Vicia americana Muhl. American or Pur- 

 ple Vetch. Pea Vine. Fig. 2614. 



Vicia americana Muhl. ; Willd. Sp. PI. 3 : 1096. 1803. 



Perennial, glabrous or with some appressed pubes- 

 cence, trailing or climbing, 2-3 long. Leaves 

 nearly sessile ; stipules broad, f oliaceous, triangular- 

 ovate, sharply toothed, 2"-s" long; leaflets 8-14, 

 elliptic, ovate or oblong, obtuse or sometimes emar- 

 ginate and mucronulate at the apex, rounded at the 

 base, 8"- 1 8" long, 3"-7" wide; peduncles usually 

 shorter than the leaves; racemes loose, 2-o,-flowered ; 

 flowers bluish-purple, 8"-o," long, spreading; pod 

 short-stalked, glabrous, i'-ii' long, 4-7-seeded. 



In moist ground, New Brunswick to Ontario, Manitoba 

 and British Columbia, New York, Virginia, Kentucky 

 and Arizona. Leaflets of lower leaves sometimes narrow. 

 Ascends to 3500 ft. in Virginia. M'ay-Aug. Buffalo-pea. 



Vicia oregana Nutt. (V. truncata Nutt.), with obovate 

 or oblong leaflets truncate and dentate at the apex, widely 

 distributed in western North America, enters our area in 

 Kansas and Nebraska. 



3. Vita sparsifolia Nutt. arrow-leaved 



f 

 ig: 



American Vetch. Fig: 2615. 



Vicia si-sifolia Nutt. ; T. & G. Fl. N. A. i : 270. 1838. 

 Lathyntlmearis Nutt. ; T. & G. Fl. N. A. i : 276. 1838. 

 Vicia arricana var. linearis S. Wats. Proc. Am. II : 134. 



1876. 

 Vicia Hiaris Greene, Fl. Francis. 3. 1891. 



Pererial, glabrous or nearly so, stems weak, often 

 zigzag, --2 long. Leaflets 4-7 pairs, narrowly linear 

 to liner-oblong. g"-i8" long, $"-2" wide, rather 

 r obtusish, the apex not toothed, mucro- 

 nate; sntiles 2"-4" fong, half-sagittate, acuminate, 

 their b;os prolonged, sometimes dentate; peduncles 

 shorter ban the leaves, or about equalling them; 

 raceme' loose, 2-6-flowered ; flowers purple or pur- 

 plish, a->ut 9" long; pod about i' long, 3" wide or 

 rather :ore, glabrous, short-stalked. 



In dr soil, Manitoba to British Columbia, South Da- 

 kota, Kisas, New Mexico and California. Perhaps a 

 narrow- aved race of V. americana. May- Aug. 



