CATALOGUE. 345 



Webeea acuminata, Brch. & Sck. — Densely esespitose, monoicous; 

 stem simple; lower leaves ovate-lanceolate, erect; upper fastigiate, crowded, 

 twice as large, linear-lanceolate, margin revolute, serrate at the apex; nerve 

 strong, excurrent; areolation lax; interior perichsete not revolute, entire; 

 capsule on a shortish pedicel, cylindrical, long pyriform, long neck nodding; 

 operculum conic-acuminate. 



Hab. — Twin Lakes, in crevices of rocks in the shade; rare. 



WEBERA ELONGATA, (Dicks.) ScllWSeg., Var. ALPINUM, B. & S. 



Hab. — Twin Lakes, in like situations. 



WeBERA ELONGATA, Vai'. MINUS, B. & S. 



Hab. — Mount Graham sand-hills, Arizona. 



Webeka nutans, Schreh. 



Hab. — Twin Lakes, on shaded ground. 



Webera nutans, var. fi. cjsspitosa, B. & S. 



Hab. — Twin Lakes, in bogs. 



Webera nutans, var. y. bicolor, B. & S. 



Hab. — Twin Lakes, at the base of trees in open woods. 



Webera nutans, var. e. longiseta, B. & S. 



Hab. — Twin Lakes, in same localities. 



Bryum uliginosum, Brch. & Sch. — In this plant, the flowers are her- 

 maphrodite, a rare occurrence with this sjjecies. 



Hab. — Twin Lakes, in wet positions. 



Bryum pendulum, (Hornsch.) Schp. 



Hab. — Twin Lakes, on low ground. 



Bryum pendulum, var. — The male gemma on separate branches. 



Hab. — Twin Lakes, in similar places. 



Bryum intermedium, Web. & Mohr. 



Hab. — Twin Lakes, on moist rocks, and at Santa F6, in New Mexico, 

 in like situations. 



Bryum cirrhatum, Hopp. & Hornsch. 



Hab. — South Park, on low ground. 



Bryum pallescens, Schleich. 



Hab. — South Park, on damp ground. 



Bryum pallescens, var. ;/. contextum. 



