230 iowa academy of sciences. 



Astragalus L. 



336. A. crassicarpus]:!i\itt.{A.cari/ora?')tus Ker.) Ground 



Plum. An early flowering species, common on 

 dry prairies. 



337. A. cayo/liiifinHs L. {A. ranadeusis L.) Woods and 



prairies; common. 

 Glycyrrhiza L. 



338. G. lepidoia Pursh. Wild Licorice. Frequent on 



dry prairies. 

 Meieomia Adans. 



339. M. canadensis (L.) Kuntze. [Desmodiuin canadense 



D C.) Tick-trefoil. Open woods and prairies; 

 common. 



340. M. (jratidiflora (Walt.) Kuntze. {Desniodnim acum- 



inatum D C.) Common in woods. 



Lespedeza Michx. 



341. L.caplfafaW[Q\\y.. Frequent on prairies. 



342. L. lepfostac/iija Engelm. Ffequent on dry prairies, 



but rapidly disappearing. 

 ViciA L. 



343. V. a)nericaiiaMuhl. Pea Vine. Woods and prairies; 



very common. 

 Lathyrus L. 



344. L. renosus Mnh\. Wild Pea. Woods and prairies; 



common. 



345. L. paluslris L. Rare in low ground; Armstrong. 



346. L. orJirolrucus Hook. Rare; woods west of Esther- 



ville. 

 Falcata Gmel. 



347. F. coiHosa (L) Kuntze. Hog Pea-nut. Woods and 



prairies; common. The flowers above ground 

 often produce fruit, while the pea-nuts by which 

 the plant is usually propagated, are produced 

 by underground, cleistogamous flowers. 

 Apios Moencli. 



348. A. apios (L.) Mac M. A handsome plant, some- 



times called False Wisteria, bearing edible 

 tubers. Frequent along river banks, climbing 

 over bushes. 



