A GUIDE TO THE WILD FLOWERS ^7 



221. Slender Vetch. Vicia tetrasperma. Annual weak vine, 

 scarcely 2 ft. long. Leaflets 6-12, thin, oblong, no more than 

 ^ in. long. Flowers bluish-purple, about 34 ^^- lorig* ^^ 3- 

 meagre cluster. Pods no more than y^ in. long, smooth. Sum- 

 mer. Nova Scotia to Florida, west to Ontario and Miss. 

 Native of Europe and Asia. A related species, Vicia hirsuta, 

 with straight-ended leaflets and a huiry pod is found from 

 Nova Scotia to Va., west to Ohio, etc. Also native of Europe. 



222. Wild Pea. Lathyrus palustris. Stems angled and mostly 

 winged, 1-3 ft. long. Leaflets in 2-3 directly opposite pairs, 

 1-2I/2 in. long, oblong. Flowers in a meagre cluster, about 

 3^2 in. long, purple. July. Newfoundland to N. Y., west to 

 So. Dakota, etc. Fig. 222. A related species, Lathyrus myrti- 

 foliiis, with usually 3 pairs of leaflets is found from New 

 Brunswick to Tenn., and westward. 



223. Vetch. Vicia angustifolia. Stem slender, not winged, 

 1-2 ft. long. Leaflets 6-14, about i in. long, oblong, not in 

 opposite pairs. Flowers purple, only i or 2 together, prac- 

 tically stalkless, almost j4 ^^- ^ong. Pod 1-2 in. long, smooth. 

 May-June. Nova Scotia to Florida, near the coast. Native of 

 Europe. 



224. Cow Vetch. Vicia Cracca. Stems weak, 2-4 ft. long. 

 Leaflets 8-24, narrow, very sharp, but weak pointed, slightly 

 less than i in. long. Flowers in large, showy, i -sided clusters, 

 about 3^ in. long, bluish-purple. Pods about i in. long, smooth. 

 July. Nova Scotia to N. Y. and Kentucky, west to Iowa, 

 etc. Fig. 224. 



225. Veiny Pea. Lathyrus vcnosus. Stem 2-3 ft. long, 4- 

 angled. Leaflets 8-14 oval, 1-2 in. long, about half as wide. 

 Flowers purple, in a meagre cluster, 1-2^ in. long. June. 

 Pods 13^-3 in. long, veiny. Ontario to N. J., and Georgia, 

 west to Indiana, etc. 



226. Purple Vetch. Vicia amcrica^m. Stem 2-3 ft., not 

 angled. Leaflets 8-14 smaller than in the preceding. Flowers 

 scarcely i in. long, bluish-purple. Pods about i in. long, not 

 veiny. June-July. New Brunswick to Ky., west to Manitoba 

 and Arizona. 



