POACEAE. 37 



42. LEPTOCHLOA Beauv. 



i. Leptochloa mucronata (Michx.) Kunth. In fields from Va. to Colo., 

 Fla. and Calif. Locality not given (Letterman). 



43. BULBILIS Raf. BUFFALO-GRASS. 



i. Bulbilis dactyloides (Nutt.) Raf. (Buchloe dactyloides (Nutt.) Engelm.) 

 On prairies and plains from Minn, to N. D., Wyo., Ark. and N. Mex. ; also 

 Mex. Alt. 4000-6000 ft. Vicinity of Boulder; New Windsor, Weld Co.; 

 plains near Denver; Fossil Creek, Larimer Co.; Fort Collins; Quimby; 

 Spring Canon. 



Tribe 9. FESTUCEAE. 



44. SCHLEROPOGON Phillippi. 



i. Schleropogon brevifolius Phillippi. On rocky ridges from Tex. to Colo, 

 and Ariz. Alt. about 5000 ft. Pueblo. 



45. PHRAGMITES Trin. REED. 



i. Phragmites Phragmites (L.) Karst. (P. communis Trin.) In lakes 

 and swamps from Newf. to B. C., Fla. and Calif. ; also in Mex., W. Ind., 

 Europe and Asia. Alt. 4000-6000 ft. Hotchkiss, Delta Co.; LaSalle; Deer 

 Run ; Loveland, Larimer Co. ; along lower Cucharas River. 



46. MUNROA Torr. FALSE BUFFALO-GRASS. 



i. Munroa squarrosa (Nutt.) Torr. On dry plains from N. D. to Ass., 

 Tex. and Ariz. Alt. 4000-8500 ft. Boulder City ; Fort Collins ; plains near 

 Denver ; Manitou ; Black Canon ; New Windsor, Weld Co. ; near Golden ; 

 Idaho Springs; Colorado Springs; Salida; valley north of Georgetown; gulch 

 west of Soldier Canon; Florence; Boulder; Lafayette. 



47. TRIPLASIS Beauv. SAND-GRASS. 



i. Triplasis purpurea (Walt.) Chapm. On sandy beaches from Out. to 

 Neb., Fla. and Tex. Locality not given (Hall and Harbour). 



48. DASYOCHLOA Willd. 



i. Dasyochloa pulchella (H. B. K.) Willd. (Triodia pulchella Willd.) 

 On hills and plains from Wyo. to Tex. and Calif. ; also in Mex. San Juan 

 Valley (Brandcgee}. 



49. ERIONEURON Nash. 



i. Erioneuron pilosum (Buckley) Nash. (Triodia acnminata Benth.) In 

 dry, gravelly soil from Kans. to Colo., Tex. and Ariz. Alt. 4000-5500 ft. 

 Brantly Canon, Las Animas Co. ; Delta ; Grand Junction ; Canon City ; 

 Pueblo; Royal Gorge; dry mesas, 9 miles above Delta. 



