242 UNIVERSITY OF MISSOURI STUDIES [390 



and Ward (Rydberg). 



MONTANA to NEVADA ; NEW MEXICO to ARIZONA. 



454. RUDBECKIA L. CONE-FLOWER. 



1 1 10. R. flava Moore. YELLOW CONE-FLOWER. 

 On the plains and foothills, 5100-8000 ft. (Daniels, 428). 

 NORTH DAKOTA and WYOMING to COLORADO. 



mi. R. laciniata L. GRAY-HEADED CONE-FLOWER. 

 GOLDEN GLOW. 



Common along streams, 5100-9500 ft. (Daniels, 561). 

 QUEBEC to IDAHO; FLORIDA to ARIZONA. 



455. RATIBIDARaf. 



1 1 12. R. columnaris (Sims) D. Don [Lepachys columnaris 

 (Sims) T. & G.]. LONG-HEADED CONE-FLOWER. 



Abundant on the plains and mesas, 5100-6000 ft. (Daniels, 

 21). 



SASKATCHEWAN to BRITISH COLUMBIA; TENNESSEE to 

 TEXAS, ARIZONA and MEXICO. 



ni2a. R. columnaris pulcherrima (D C.) D. Don. BROWN 



LONG-HEADED CONE-FLOWER. 



With the type but much less frequent, 5100-6000 ft. (Dan- 

 iels, 201). 



Range of the type. 



456. WYETHIA Nutt. 



1113. W. amplexicaulis Nutt. CLASPING-LEAVED WYETHIA. 

 Arapahoe Pass (Rydberg). 



MONTANA to BRITISH COLUMBIA ; COLORADO to NEVADA. 



457. HEUANTHUS L. SUNFLOWER. 



1114. H. lenticularis Dougl. COMMON SUNFLOWER. 

 Plains, mesas and lower foothills, especially in denuded 



soils, 5100-7000 ft. (Daniels, 400). 



NORTH DAKOTA to IDAHO ; TEXAS to ARIZONA. 

 ni4a. H. lenticularis coronatus Cockerell. RED-STREAKED 



SUNFLOWER. 



Found by Mrs. T. D. A. Cockerell near her home in Boulder. 



