31 
242. L. stuvei, Nutt., var. intermedia, Watson. 
7 
L. violacea , Pers., var. sessiliflora , in Manual, 5th Ed. 
Occurs with the last, especially south; infrequent. August — 
September. (B.) 
Flowers rarely apetalous. 
243. L. polystachya, Michx. 
>1 L. hirta , Ell. 
Dry soil and ravines, north and west, infrequent; sandy soil, hill- 
sides and knolls, south; frequent. August — September. (B.) 
+244. L. capitata, Michx. 
q Sandy bluffs and fields, variable; frequent or common. 
^ Evanston and north. Colehour, Pine Station, Miller’s and Clarke, 
Indiana. 
Prof. Hill reports two forms from Hammond, Ind. : 
(a) Leaves silky, canescent, both sides. 
(b) An occasional form intermediate between the type and L. 
angustifolia, Ell. 
245. L. angustifolia, Ell. 
L. capitata, Michx., var. angustifolia , Ph. 
Possibly more common than the last, especially south. August. 
VICIA, Tourn. 
246. V. cracca, L. Blue Vetch. Tufted Vetch. 
Woods; rare. June — July. 
Evanston. Niles. South Park. Morgan Park. Riverside. (B. P.) 
247. V. caroliniana, Walt. Carolina or Pale Vetch. 
Banks of streams and shaded places; common. May 20th — June. 
Stems occasionally five, and in extreme cases seven feet long. 
248. V. americana, Muhl. American or Purple Vetch. 
Moist b^iks, woods and copses; frequent. May — June+ 
LATHYRUS, Tourn. 
f 249. L. maritimus, Bigel. Beach Pea. 
ft Near the lake shore, north and south; frequent. May 20th — 
July 15th. 
250. L. ochroleueus, Hook. Pale Vetchling. 
Railroad banks and shaded bluffs; frequent. June — July 10th 
251. L. venosus, Muhl. Vetchling. 
Open woods, copses and shaded banks; not common, but widely 
distributed. June — July. 
Leaves variable in size. 
