OF PACIFIC c(K\ST MOSSES. 



21 



182. A. angustatum, Bryol. Eur. 



Hab. banks. Santa Cruz Mts., alt. -2.200 ft., Brew. 



POGONATUM, Tal. Beauv. 



183. P. dentatum, Menz. 



Hab. pine woods of N. W. America, Menzles ; clay banks in dense shade of 



the redwoods near Crescent City, Brew. 



Prof. C. Muller says of this species : calyptra kevis ; in my specimens it is 



rugose, like that of P. urnigerum, Brid., and, accordingly, the only difference which 



separates the Californian from the European species is the glaucous color of the more 



stronly dentate leaves. 



184. P. alpinum, Roehl. 

 Var. D. brevifohum, Schp. 



Hab. foot of Mt. Dana, borders of ditches, Bol. 



185. P. contortum, Menz. 



Hab. on shores of N". W. America, Menzks. 



POLTTRICnADELPnUS, C. Mull. 



180. P. Lyallii, Mitt. 



Hab. foot of Mt. Dana, and around Clear Lake, Bol.; swamp, east side of 

 the Cascade Mts., Lyall. 



POLTTRICHUM, Dill. 



1ST. P. piliferum, Schreb. 



Hab. rocky places above Sonora, Big.; Vancouver Island, Big., LyaU. 

 Var. pilo brevi, serrato, folds quandoque epiliferis. 



Hab. Lassen's Peak, alt. 8,000 ft., Brew. 

 Var. ktri/iihim, 2?. Icevipilum, Hampe. 



Hab. Mt. Diablo and Coast range, Bol., Bauer. 

 188. P. juniperinum, Hedw. 



Hab. California, from the plains around Mendocino, to the Yosemite Valley, 

 common, Bol.; near Cajon Pass, Big.; abundant in woods, from 7,000 to 

 9,000 ft., Mt. Brewer, Brew.; Vancouver Island, LyaU,; < >reg<>n, V. S. 

 Wilkes 7 Exped. 



BUXBAUMIA, Haller. 



180. B. aphylla, Haller. 



Hab. Cascade Mis., LyaU. 



(27) 



