396 The Ohio Naturalist [Vol. XV, No. 2, 



3. Vicia villosa Roth. Hairy Vetch. A villous pubescent 

 much branched, weak and trailing, cultivated annual, or biennial, 

 with a stem 2-6 ft. long and Ke in. in diameter. Leaflets S-24, 

 linear, %-K in. long, ^Hle in. wide, obtuse at the base, acute at the 

 apex; tendrils branched. Peduncle shorter than, or equalling 

 the leaves; the flowers purple to white; the pod % to 1 in. long; 

 )i-)i in. wide; seed round and black. 



The seed of Vicia villosa may be distinguished by the lemon - 

 yellow beneath the outside coating from the Vicia sativa, which is 

 an orange-yellow. Vicia villosa is able to withstand the northern 

 climate, while Vicia sativa is often winter-killed, so the ability 

 to distinguish the seed is of importance. The Hairy Vetch is 

 being experimentally used by many farmers over Ohio, as a soiling 

 and hay crop. 



4. Vicia americana Muhl. American Vetch. A glabrous, or 

 very finely pubescent weak trailing perennial, 2-3 ft. long and /ie 

 in. in diameter. Leaflets 1 in. long, %-%6 in. wide, the tendrils 

 branched, the stipules broad and foliaceous, or triangular-ovate 

 and sharply toothed. Flowers in a loose raceme, with 1-20 

 flowers, blue to purple; pod glabrous, /^-/4 in. long, seeds 2-5. 



It has been reported only from the northern part of the State. 

 Cuyahoga, Geauga, Erie, Ottawa and Lucas. It is also called 

 Purple Vetch. 



5. Vicia caroliniana Walt. Carolina Vetch. A weak trailing 

 glabrous perennial with the stem 1-2 ft. long and Kb in. in diameter. 

 Leaflets, 4-9 pairs, /s-1 in. long, X-^s in. wide, the tendrils simple 

 or compound, the stipules linear or linear-oblong entire. Racemes 

 loose, S-20 flowered, with a white keel tipped with light blue, 

 pod glabrous, % in. long, Xe in. wide, the seed round and brown. 



Washington, Gallia, Lawrence, Jackson, Scioto, Ross, Pike, 

 Darke, Williams, Lorain, Ottawa and Cuyahoga. It is also 

 called Pale Vetcli. 



6. Vicia tetrasperma (L) Moench. Slender Vetch. A small 

 trailing glaljrous annual, the stem 6-24 in. long and Ke in. in 

 diameter. Leaflets 6-12, % in. long, ]i in. wide; the tendrils branched, 

 the stipules linear or linear oblong, entire. Peduncle eqvialling 

 or shorter than the leaves, raceme loose with 1-6 flowers, %-){ in. 

 long, pale blue to puri)le; calyx glabrous, pod glabrous, Yi in. 

 long, the seeds 3-6, spherical, dark brown. Lake County. 



7. Vicia hirsuta (L) Koch. Hirsute Vetch. A small glabrous 

 or finely pubescent annual, 1-2 ft. long, the diameter of the 

 stem Kg in. Leaflets S-16, K-% in. long, Yxi-Ys in wide, linear or 

 linear oblong, cmarginate, the tendrils branched, the stipules 

 linear. Flowers in a loose raceme with 1-6 flowers )i in. long, 

 pale blue to pur])le, the calyx pubescent; pod slightly pubescent, 

 % in. long, Yn in. wide, .seeds 2, 1:)rown. 



Introduced from Europe. Lake, Sandusky and Knox. 



