90 UNIVERSITY OF MISSOURI STUDIES [238 



248. J. triglumis L. Three-flowered rush. 



Above timberline, Arapahoe Peak, 11000-12000 ft. (Dan- 

 iels, 1007). 



Labrador to Alaska; New York to Colorado. 



249. J. castaneus Smith. Chestnut rush. 



Above timberline, Arapahoe Peak, 11000-12500 ft. (Dan- 

 iels, 639). 



Greenland to Alaska and Colorado. 



250. J. nodosus L. Knotted rush. 



In swales and along ditches and streams, 5100-6500 ft. 

 (Daniels, 735). 



Nova Scotia to Mackenzie and British Columbia: Vir- 

 ginia to Nevada. 



251. J. Torreyi Coville. Torrey's rush. 



With the preceding, but more abundant, 5100-6500 ft. 

 (Daniels, 495). 



New York to Montana; Texas to Arizona. 



251^. J. Mertensianus Bong. Mertens' rush. 

 Redrock lake, 10100 ft. (Ramaley and Robbins). 

 Montana to Alaska; Colorado to California. 



252. J. parous Rydb. Reddish brown rush. 



Dry beds of torrents, mesas fronting the Flat-irons, 5700- 

 6000 ft. (Daniels, 373). 

 Colorado to New Mexico. 



253. J. Saximontanus A. Nelson [/. xiphioidcs montanm 

 Engelm.]. Rocky Mountain rush. 



Aspen bogs at Glacier Lake and Eldora; also a dwarf form 

 on Arapahoe Peak above timberline, $500-12000 ft. (Dan- 

 iels, 703). 



89. JTJNCOIDES Adans. Wood rush. 



254. J. parviflorum melanocarpum (Michx.) Cockerell. Nov. 

 comb. [Luzula melanocarpus Michx.] . Small-flowered 

 wood rush. 



Canons on the north slope of Green Mt, 7000-8100 ft. 



