28 POACEAE. 



17. MuMenbergia Porteri Scribn. (,M. Texana Thurb.; not Buckl.) On 

 hills and plains from Tex. to Colo, and Calif.; also Mex.— Alt. about 6500 

 ft. — Canon City. 



21. LYCURUS H. B. K. 



1. Lycurus pheoides H. B. K. On dry hillsides from Tex. to Colo, and 

 Ariz.; also Mex. — Alt. 6000-7500 ft. — Garden of the Gods; Meadow Park; 

 gulch west of Soldier Canon. 



22. PHLETTM L. Timothy. 



Spikes usually elongated-cylindric ; awns less than Yz the length of the outer 

 glumes. I. P. pratense. 



Spikes short, ovoid or oblong ; awn about ^ the length of the outer glume. 



2. P. alpinum. 



1. Phleum pratense L. In meadows and waste places, escaped from culti- 

 vation from N. Sc. to B. C, Fla. and Calif. — Alt. up to 11,000 ft. — Pagosa 

 Springs; Alpine Tunnel; Ruxton Park; Mancos. 



2. Phleum alpinum L. In mountain meadows from Lab. to Alaska, N. H. 

 and Calif.; also in northern Europe and Asia. — Alt. 8500-12,000 ft. — Near 

 Pagosa Peak; Dead Lake; Ruxton Park; mountains west of Catneron Pass; 

 Chamber's Lake; LaPlata; Georgetown; Seven Lakes; West Indian Creek; 

 Lake City; Robinson, Summit Co.; Gray's Peak; Beaver Creek; Boreas; 

 Hematite; Pike's Peak. 



23. ALOPECURUS L. Foxtail. 



Spike elongated-cylindric, 3-7 cm. long; 4-6 mm. in diameter. 



1. A. aristulatus. 

 Spike oblong, 2-4 cm. Irfng; 9-12 ram. in diameter. 2. A. occidentalis. 



1. Alopecurus aristulatus Michx. In wet meadows from Me. to Alaska, 

 Pa. and Calif. — Alt. 4000-11,500 ft. — Wahatoya Creek; Colorado Springs; 

 Arboles ; Laramie River, Larimer Co. ; Grizzly Creek ; Mancos ; Dead Lake ; 

 vicinity of Boulder; Manitou; Twin Lakes; South Park; Tobe Miller's 

 ranch, near La Porte; Quimby; Same's Camp; Spring Caiion; Soda Creek; 

 Poudre Canon; Hotchkiss; Table Rock; Fossil Creek; along Purgatory 

 River, near Trinidad. 



2. Alopecurus occidentalis Scribn. {A. alpinus of Coult. Man.; not L.) 

 In wet meadows from Alb. to B. C, Colo, and Utah. — Alt. 8500-11,000 ft. — 

 Cameron Pass; Marshall Pass. 



24. PHIPPSIA R. Br. 



I. Phippsia algida R. Br. In arctic-alpine localities from Greenl. to Alaska; 

 also in Colo., arctic Europe and Asia. — Chicago Lake, near Georgetown. 



25. BLEPHARINEURON Nash. 



1. Blepharineuron tricholepis (Torr.) Nash. {Sporobolus tricholepis 

 Torr.) Mountain valleys from Colo, to Utah, Tex. and Ariz.; also Mex.— 



