no UNIVERSITY OF MISSOURI STUDIES [258 



133. CYCLOLOMA Moq. 



361. C. atripKcifolium (Spreng.) Coult. [C. platyphyllum 

 Moq.] Winged pigweed. 



Along the railroad between Boulder and Marshall ; also along 

 the railroad in Sunset Caiion, 5400-7700 ft. (Daniels, 485). 

 Marshall (W. W. Robbins). 



Ontario to Montana; Arkansas to Arizona. 



134. MONOLEPIS Schrad. 



362. M. Nuttalliana (R. & S.) Greene [M. chenopodioides 

 Moq.]. Nuttall's Monolepis. 



Above timberline, Arapahoe Peak, the only ruderal observed 

 there, 11000-15000 ft. (Daniels, 918). 

 Minnesota to Washington ; Texas to California. 



135. ATRIPLEX L. Orache. 



363. A. carnosa A. Nels. Fleshy orache. 



Alkaline flats at Boulder lake, 5300 ft. (Daniels, 729). 

 Nebraska to Montana; Kansas to Colorado. 



364. A. argentea Nutt. Silvery orache. 



Alkaline flats at Boulder lake, 5300 ft. (Daniels, 730). 

 North Dakota to British Columbia; Kansas to Colo- 

 rado. 



365. A. occidentalis Torr & Fremont. Western orache. 

 Dry mesas at Boulder (Rydberg). 



Colorado to Utah ; Texas to Arizona. 



366. A. hortensis L. Garden orache. 



Along railroads and in yards, 5100-7000 ft. (Daniels, 679). 

 Europe, thence to North America. 



136. EUROTIA Adans. White sage. 



367. E. lanata (Pursh) Moq. Woolly white sage. 

 Plains at Boulder (Rydberg). 



South Dakota to Washington ; Kansas to California. 



137. COEISPERMUM L. Bugseed. 



368. C. marginale Rydb. Marginal -fruited bugseed. 

 Valleys near Boulder (Rydberg). 



Wyoming to Colorado. 



