GRASS-FLORA OF TOLLAND, COLORADO, AND VICINITY 133 



p. 62 (as Danthonia); not listed in Daniels, Flora of Boulder, Colo. 



In mountain valleys from Alb. to N.Mex. Range in Colo. 8,500-10,000 ft. 

 Collections: Tolland (dry grassland, scattered, never in societies) 6931, 8844. 



Tribe CHORIDEAE 

 BOUTELOUA Lag. Grama-grass 

 Bouteloua hirsutata Lag. 



Rydberg, Flora of Colo., p. 36; Coulter-Nelson Manual, p. 63; Daniels, Flora of 

 Boulder, Colo., p. 67. 



On plains and prairies, especially in sandy soil, from 111. to Minn., to S.D., Tex. 

 and Ariz. Range in Colo. 4,000-8,500 ft. 



Collections: Smartweed Lake 8989. Hitherto not reported above 7,000 ft. 



Tribe FESTUCEAE 

 KOELERIA Pers. Prairie-grass, June-grass 

 Koeleria cristata (L.) Pers. 



Rydberg, Flora of Colo., p. 38; Coulter-Nelson Manual, p. 67; Daniels, Flora of 

 Boulder, Colo., p. 68. 



On prairies and plains from Ont. to B.C., Pa. and Calif. Range in Colo. 4,000- 

 10,000 ft. 



Collections: Tolland (dry grassland) (ruderal) 6883, S814, 8826, 8973, 9035; 

 East Lake (Potentilla association) 3429; Eldora 2282; Smartweed Lake (dry grass- 

 land) 9004. 



MELICA L. Melic-grass 

 Melica spectabilis Scribn. 



Rydberg, Flora of Colo., p. 40; Coulter-Nelson Manual, p. 68. Not listed in Daniels, 

 Flora of Boulder, Colo. 



In meadows from Mont, to Wash., Colo, and Ore. Range in Colo. 8,000-9,000 ft. 



Collection: Above Tolland 8951. 



DACTYLIS L. Orchard-grass 

 Dactylis glomerata L. 



Rydberg, Flora of Colo., p. 40; Coulter-Nelson Manual, p. 68; Daniels, Flora of 

 Boulder, Colo., p. 69. 



Cultivated and naturalized from Europe in fields and waste places from N.B. to 

 Wash., Fla. and Calif. Range in Colo. 4,000-9,000 ft. 



Collections: Tolland (ruderal) 8801, 9094. 



POA L. Meadow-grass 1 

 Poa pratensis L. 



Rydberg, Flora of Colo., p. 44; Coulter-Nelson Manual, p. 70; Daniels, Flora of 

 Boulder, Colo., p. 69. 



1 In view of the difficult character of this genus all specimens determined by Professor Hitchcock, and 

 hence to be considered authentic, have been indicated by the use of an asterisk (•). 



