375] FLORA OF COLUMBIA AND VICINITY 233 



407. HELIOPSIS Pers. Ox-eye. 



988. H. scabra Dunal. Rough ox-eye. 

 Common in thickets and wooded uplands. 



Maine to British Columbia; New Jersey to Arkansas. 



408. ECLIPTA L. 



989. E. alba (L.) Hassk. 



Waste places and low grounds; common. 

 New York to Nebraska; Florida to Texas and Mexico: 

 South America: naturalized extensively in the Old World. 



409. RUDBECKIA L. ^ECHINACEA Moench: 

 BRAUNERIA Neck.: LEPACHYS Raf.: 

 RATIBIDA Raf.]. Cone-flower. 



990. R. triloba L. Small-flowered cone-flower. 

 Common along streams. 



New Jersey to Michigan and Kansas; Georgia to Texas. 



991. R. subtomentosum Pursh. Sweet cone-flower. 

 Swamp south of Hinkson creek. 



Illinois to Kansas; Louisiana to Texas. 



992. R. hirta L. Yellow daisy. Black-eyed Susan. 

 Very common in fields and thickets. 



Quebec to South Dakota; Florida to Oklahoma and 

 Colorado. 



993. R. grandiflora Gmelin. 

 Along the railroad at Rocheport. 



Missouri to the Indian Territory; Louisiana to Texas. 



994. R. laciniata L. Tall cone-flower. 

 Frequent in moist thickets. 



Quebec to Manitoba; Florida to New Mexico. 



995. R. purpurea L. \E. purpurea {\^)M.o&x\c\\: B. pur- 

 purea (L.) Britton]. Purple cone-flower. 



Common on rich hillsides. 



Virginia to Michigan and Missouri; North Carolina to 

 Louisiana. 



