616 



Leguminosae 



Yicia 



50 



Map 1265 



Lespedeza procumbens Michx 



50 



Map 1266 



Vicia villosa Roth 



3852. VICfA [Tourn.] L. The Vetches 



Flowers on peduncles more than 1 cm long; pods glabrous; plants perennial (except 

 no. 1). 



Plants villous, the pubescence long and widely spreading, annual or biennial 



1. V. villosa. 



Plants glabrous or nearly so, or puberulent with short, curved hairs. 



Mature calyx, measured to the tip of the lower lobe, less than 3 mm long; flowers 

 numerous, less than 1 cm long, white with a blue-tipped keel; stipules linear 



or nearly so, rarely the lower ones with a lateral lobe 2. V. caroliniana. 



Mature calyx, measured to the tip of the lower lobe, 3.5-8 mm long; mature flowers 

 generally more than 1 cm long. 

 Mature calyx generally 3.5-4 mm long; stipules linear and generally with a 

 lateral lobe near the base; flowers numerous, mostly 10-13 mm long. (See 



excluded species no. 405, p. 1068.) V. Cracca. 



Mature calyx mostly 6-8 mm long; peduncles mostly 4-8-flowered ; flowers 15-18 

 mm long; stipules large, semi-sagittate, the basal section with several sharp 



teeth 3. V. americana. 



Flowers sessile or on very short stalks, 1-3 in the axils of the upper leaves; plants 

 annual. 

 Flowers 10-18 mm long; pods 3-4 cm long, glabrous, black at maturity. (See ex- 

 cluded species no. 404, p. 1068.) V. angusti folia. 



Flowers 20-30 mm long; pods 4-6 cm long, pubescent, pale tawny at maturity. (See 

 excluded species no. 406, p. 1068.) V. sativa 



1. Vicia villosa Roth. Hairy Vetch. Map 1266. This vetch has been 

 sparingly sown as a forage crop throughout the state and has escaped to 

 roadsides and fallow fields. I found it to be frequent in 1930 in sandy 

 soil along the river road about a mile west of Georgetown, Cass County. 

 The landowner of the adjacent field told me that he had the field in hairy 

 vetch 14 years before, therefore we have a record of its persistence for 

 that length of time. Now frequent along the roadsides throughout north- 

 ern Indiana. 



Nat. of Eurasia. 



2. Vicia caroliniana Walt. CAROLINA VETCH. Map 1267. This species 

 is locally frequent in the northeastern part of the state where it is usually 



