POACEAE. 37 



42. LEPTOCHLOA Beauv. 



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

 Fla. and Calif. — Locality not given (Lcttermaii). 



43. BULBILIS Raf. Buffalo-grass. 



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

 On prairies and plains from Minn, to N. D., Wye, 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 Torn False Buffalo-grass. 



I. Munroa squarrosa (Nutt.) Torn On dry plains from N. D. to Ass., 

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

 Denver ; Manitou ; Black Caiion ; 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 pnlchella Willd.) 

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

 Valley (Brandegee). 



49. ERIONEURON Nash. 



I. Erioneuron pilosum (Buckley) Nash. (Triodia acuminata Bentli.) 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. 



