66 UNIVERSITY OF MISSOURI STUDIES [214 



88. A. fatua L. Wild oat. 



Common along streets and waste places in the city of 

 Boulder, 5300-5700 ft. (Daniels, 387). 



Europe: Asia, thence to North America. 



89. A. sativa L. Common oat. 



Adventitious along railroads, 5300-5400 ft. (Daniels, 479). 

 Old World, thence universal in cultivation. 



53. MERATHREPTA Raf. Wild oat-grass. 



90. M. Californica (Bolander) Piper [Danthonia Calf arnica 

 Bolander]. California wild oat-grass. 



Arapahoe Pass, 12000 ft. (Rydberg). 



Montana to British Columbia; Colorado to California. 



91. M. intermedia (Vasey) Piper \_Danthonia intermedia 

 Vasey]. Intermediate wild oat-geass. 



Aspen bogs at Glacier Lake and Eldora, 8600- 11 500 ft. 

 (Daniels, 621). 



Alberta to British Columbia; Colorado to California. 



92. M. spicata (L) Raf. [Danthonia spicata (L) Beauv.]. 

 Common wild oat-grass. 



Common on dry slopes in the foothills, 6000-8000 ft. (Dan- 

 iels, 370). Also mesas at foot of the Flat-irons. 



Newfoundland to British Columbia; North Carolina 

 to Louisiana and California. 



54. SPARTINA Schreb. Cord-grass. 



93. S. cynosuroides (L.) Willd. Tall marsh grass. Fresh- 

 water cord-grass. 



Swales and bogs in the plains, infrequent, 5100-5500 ft. 

 (Daniels, 522). 



Nova Scotia to Mackenzie; New Jersey to Texas and 

 Colorado. 



55. SCHEDOimAEDUS Steud. Crab-grass. 



94. S. paniculatus (Nutt.) Trelease [S. Texanus Steud.]. 

 Wild crab-grass. 



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

 I7S)- 



