62 UNIVERSITY OF MISSOURI STUDIES [210 



64. M. simplex (Scribn.) Rydb. [Sporobolus simplex Scribn.]. 

 Simple rush-grass. 



In shallow water, aspen bogs about Glacier Lake, gooo ft. 

 (Daniels, 708). Also mountains between Sunshine and Ward, 

 (Rydberg). 



Nebraska to Wyoming and New Mexico. 



65. M. iliformis (Thurber) Rydb. [Vilfa dcpauperata fili- 

 /ormis Thurber]. Filiform rush-grass. 



Subalpine bogs, Eldora, 8600 ft. (Daniels, 366). 

 Wyoming to Oregon; Colorado to California. 



66. M. gracilis Trin. Slender drop-seed. 



Summits of crags on the foot-hills, thence to subalpine 

 mountain-ridges, the most characteristic grass of such places^ 

 6000-10000 ft. (Daniels, 208). 



Colorado to California; Texas to Mexico. 



42. LYCURTJS H. B. K. 



67. L. phleoides H. B. K. False timothy. 

 Meadow Park, 6500 ft. (Rydberg). 

 Colorado and Texas to Arizona and Mexico. 



43. PHLETTM L. Timothy. 



68. P. pratense L. Common timothy. 



Throughout the area of cultivation, but has penetrat- 

 ed distant canons, 5100-11000 ft. (Daniels, 504). 



Temperate Old World, thence to all temperate lands. 



69. P. alpinum L. Mountain timothy. 



Subalpine meadows from Glacier Lake to Eldora; above 

 timber-line, Arapahoe Peak, 8500-12000 ft. (Daniels, 632). 

 Circumboreal and alpine, Europe : Asia : North America. 



44. AIOPECTJRTJS L. Foxtail. 



70. A. aristulatus Michx. [A. fulvus J. E. Smith ]. Swami- 

 foxtail. 



Along irrigation ditches and at the margins of ponds and 

 puddles, 5100-5600 ft. (Daniels, 246). 



Maine to Alaska; Pennsylvania to California. 



