4IO 



FABACEAE. 



Vol. II. 



4. Vicia caroliniana Walt. Carolina or 

 Pale Vetch. Fig. 2616. 



Vicia caroliniana Walt. Fl. Car. 182. 1788. 



Vicia parvifiora Michx. Fl. Bor. Am. 2: 69. 1803. 



Perennial, glabrous or nearly so, trailing or 

 climbing, slender, 2°-3° long. Stipules linear 

 or oblong, entire, 2"-^" long; leaves short- 

 petioled ; leaflets 8-18, oblong or linear-oblong, 

 entire, obtuse or emarginate, or sometimes 

 acutish and mucronate, 6"-io" long, ii"-5" 

 wide ; peduncles equalling or shorter than the 

 leaves ; racemes loosely 8-20-flowered ; flowers 

 nearly white, 4"-5" long, the keel bluish-tipped ; 

 pod glabrous, 8"-i4" long, short-stalkecf, 5-8- 

 seeded. 



River-banks and cliffs, Ontario to Minnesota, 

 south to Georgia, Mississippi and Kansas. As- 

 cends to 3500 feet in Virginia. May-July. 



5. Vicia micrantha Nutt. Small-flow- 

 ered Vetch. Fig. 2617. 



Vicia micrantha Nutt. ; T. & G. Fl. N. A. I : 271. 

 1838. 



Perennial (or sometimes annual?), glabrous, 

 stems very slender, i°-2° long. Leaflets 2-5 

 pairs, narrowly linear to linear-oblong, thin, 

 ¥-i¥ long, l"-2" wide, obtuse, acutish or 

 emarginate, or those of the lower leaves obo- 

 vate, oval, or even obcordate, usually shorter; 

 peduncles 4"-i5" long, 1-2-flowered; flowers 

 2"-3" long, purplish; pod slightly pubescent or 

 glabrous, about i' long, 2i" wide, 6-12-seeded; 

 seeds compressed. 



On prairies and in thickets, Missouri (?), Ar- 

 kansas to Tennessee, Alabama and Texas. April- 

 May. 



6. Vicia ludoviciana Nutt. Louisiana 

 Vetch. Fig. 2618. 



Vicia ludoviciana Nutt. ; T. & G. Fl. N A. I : 271. 

 1838. 



Perennial, glabrous, or the young parts pu- 

 bescent ; stem rather stout, angled, ii''-3° long. 

 Leaflets 4 or S pairs, elliptic, oval or obovate, 

 thin, 6"-io" long, 2"-4" wide, obtuse or emar- 

 ginate ; stipules very narrow, rarely over 3" 

 long, linear, or half-sagittate ; peduncles shorter 

 than the leaves, or about equalling them, or 

 longer, 2-6-flowered (rarely i-flowered) ; flow- 

 ers 3"-4" long, bluish; pod i' long, or rather 

 more, 3"-5" wide, glabrous, 4-6-seeded, the 

 seeds compressed. 



Missouri to Texas, Louisiana and Florida. 

 April-May. 



