28 POACF.AE. 



17. Muhlenbergia Porteri Scribn. (M. Tcxaua Thurb. ; not Biickl.) On 



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

 ft. — Caiion City. 



21. LYCURUS H. B. K. 



I. Lycurus pheoides II. 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. PHLEUM L. Timothy. 



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

 glumes. I. P. pratense. 



Spikes short, ovoid or oblong ; awn about yi 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 Cameron 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. 



I. A. aristulatus. 

 Spike oblong, 2-4 cm. long; 9-12 mm. in diameter. 2. A. occidenialis. 



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; Barne's Camp; Spring Canon; 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. 



1. 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. 



I. Blepharineuron tricholepis (Torr.)- Nash. (Sporobolus tricholepis 

 Torn) jNIountain valleys from Colo, to Utah, Tex. and Ariz.; also Mex. — 



