154 UNIVERSITY OF MISSOURI STUDIES [296 



193, POTENTILLA L. Cinque-foil. 



490. P. Monspeliensis L. [P. Norvegica Auct.]. Rough 



CINQUE-FOIL. 



Common in meadows and waste grounds. 

 Labrador to Alaska; Georgia to Texas and Mexico: 

 Europe and Asia. 



491. P. leucocarpa Rydb. \P. rivalis millegrana (Engelm.) 

 Watson]. 



Scarce about paths in low grounds. 



Illinois to Minnesota and Washington; Missouri to 

 New Mexico and California. 



492. P. paradoxa Nutt. \P. supina Michx.]. 

 -Common on the limose shores of the Missouri. 



New York and Ontario to Oregon; Tennessee to New 

 Mexico; Mexico: East Asia. 



493. P. Oanadensis L. Five-finger. 



Very common in upland woods, thickets and fields. 

 Maine and Quebec to Minnesota and South Dakota; 

 Georgia to the Indian Territory. 



493a. P. Oanadensis simplex (Michx.) T. & G. 

 Woods along Grindstone creek. 

 Range of the type. 



194. GEUM L. AvENS. 



494. G. strictum Ait. Yellow avens. 

 Very rare in low grounds southwest. 

 Newfoundland to British Columbia; New Jersey to 



Arizona: Asia. 



495. G. Oanadensejacq. \G. album Gmel.]. White avens. 

 Low grounds in shade; common and variable. 



Nova Scotia to Minnesota; Georgia to Missouri. 



496. G. vernum (Raf.) T. & G. Spring avens. 

 Common along streams and in low grounds and thickets. 

 New York to Michigan and Ontario; New Jersey to 



Tennessee and Texas. 



