PLANTS OF IOWA 185 



2388. M. canescens, (L.) Kuntze. Hoary Tick-trefoil. 

 Banks of streams. 



Lespedeza, Michx. 



2389. L. violacea, (L.) Pers. Bush-clover. 



Dry soil; border of woods and banks; frequent. 



2390. L. frutescens, (L.) Britton. Wand-like Bush-clover. 

 Dry soil, frequent. 



2391. L. capitata, Michx. Tall Bush-clover. 

 Common on dry prairies and ridges. 



2392. L. virginica, (L.) Britton. Slender Bush-clover. 

 Not common. 



2393. L. leptostachya, Engelm. Prairie Clover. 

 Infrequent. 



2394. L. hirta, (L.) Ell. Hairy Bush-clover. 

 Not common. 



Vicia, L. 



2395. V. cracca, L. Cow Vetch. 

 In dry soil. 



2396. V. americana, Muhl. American Vetch. 

 Common in rather moist, open grounds. 



2397. V. linearis, (Nutt.) Greene. Narrow-leaved American 



Vetch. 

 In dry soil, not common. 



2398. V. caroliniana, Walt. Carolina Vetch. 

 Infrequent. 



2399. V. sativa, L. Common Vetch. 

 Introduced; in waste places. 



2400. V. angustifolia, Roth. Smaller Common Vetch. 

 Introduced; not common. 



Lathyrus, L. 



2401. L. venosus, Muhl. Veiny Pea. 



In rich, rather moist, open places; not frequent. 



2402. L. palustris, L. Marsh Vetchling. 

 Moist places, frequent. 



2403. L. decaphyll us, Pursh. Prairie Vetchling. 

 Infrequent, western part of state. 



