GR AMINES. 37 



SPOROBOLUS CRYPTANDRUS, Gray, Man. 576. Chaina, 

 N. Mex., Sept.; n. 215. 



SPOROBOLUS DEPAUPERATUS, Scribn. Bull. Torr. Club, ix, 

 103. Arboles, Colo., June; n. 216; Chama, N. Mex., Sept.; 

 n. 217; here quite common on shelving sand banks. 



BLEPHARONEURON TRICHOLEPIS, Nash, Bull. Torr. Club, 

 xxv, 88. A common grass, in small tufts, on ledges and 

 in open ground at 9,000 feet, near Pagosa Peak, Aug.; nn. 

 155, 156. It was also found in a rocky river bed at Piedra, 

 14 July. 



AGROSTIS ALBA, Linn. Sp. 63. A few specimens were 

 collected in low land at Arboles, 28 June. 



Agrostis exarata, Trin. A common grass in open places 

 and along the borders of thickets, at about 9,000 feet, near 

 Pagosa Peak, Aug.; n. 146. A smaller, weaker state of the 

 species was collected at about 10,500 feet, and issued under 

 n. 147. 



Agrostis hyemalis, BSP. Near Pagosa Peak, at 10,000 

 feet, Aug.; u. 148. Pagosa Springs, July; n. 149. This is 

 a very common grass in all moist places throughout the 

 whole region. 



AGROSTIS TENUICULMIS ERECTA, Nash. Found in but 

 one locality, forming a large mat on an exposed ledge, at 

 10,500 feet, near Pagosa Peak, Aug.; n. 150. 



CAL AM AGROSTIS CANADENSIS ACUMINATA, Vasey. At 

 10,000 feet, near Pagosa Peak, Aug.; n. 160. Specimens 

 from 9,000 feet, in the same mountains were distributed 

 under n. 161. Those from the higher elevation were of 

 less luxuriant growth, and the panicles were often deeply 

 colored. 



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