3/3 j flora of boulder, colorado 225 



Woolly Gaertneria. 

 Along railroads in the plains, 5100-5400 ft. (Daniels, 510). 

 South Dakota to Wyoming; Kansas to New Mexico. 



429. XANTHIUM L. Cocklebur. 



994. X. commune Britton. Common Cocklebur. 



Along streams and in waste places, 5100-6000 ft. (Daniels, 



695)- 



Quebec and New York to Utah and Arizona. 



Family in. CARDUACEAE. Necker. Thistle family. 



430. EUPATORIUM L. Thoroughwort. 



995. E. maculatum L. Spotted Joe-Pye weed. 



Springy gulch at foot of Flagstaff Hill, 5800-6000 ft. (Dan- 

 iels, 801). 



New York to British Columbia ; Kentucky to New 

 Mexico. 



431. KUHNIA L. 



995^. Z. Hitchcockii A. Nels. Hitchcock's Kuhnia. 



Marshall, collected by E. Bethel, (J. C. Arthur, in Mycol- 

 ogia, Nov., 1909, p. 233). Host of a fungus, Puccinia Kulin- 

 iae Schw. 



Kansas to Colorado. 



996. K. glutinosa Ell. [K. cupatorioides corymbulosa T. & G.]. 

 Sticky Kuhnia. 



Frequent on the plains, mesas, and lower foothills, 5100-6500 

 ft. (Daniels, 686). 



Illinois to Montana; Kentucky to Colorado. 



997. K. Gooddingii A. Nels. Goodding's Kuhnia. 



Plains and mesas, 5100-6000 ft. (Daniels, 727). The type 

 is from West Dry Creek, Larimer County, Colorado. 

 Colorado to Texas and Arizona. 



432. C0LE0SANTHUS Cass. Brickellia. 



998. C. minor (Gray) Daniels. Nov. comb. [Brickellia grandi- 

 flora minor Gray; C. umbellatus Greene; C. congestus 

 A. Nels.]. Umbellate Brickellia. 



Common on the foothills and mountains, 5800-10000 ft. 



