CATALOGUE. 345 



Webeea acuminata, Brch. & Sell. — Densely csespitose, monoicous; 

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

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

 strong, cxcurrent; areolation lax; interior peri chaste 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.) Schwseg., var. alpinum, B. & S. 



Hab. — Twin Lakes, in like situations. 



Webera elongata, var. minus, B. & S. 



Hab. — Mount Graham sand-hills, Arizona. 



Webeea nutans, Schreb. 



Sab. — Twin Lakes, on shaded ground. 



"Webera nutans, var. /?. c&spitosa, 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 species. 



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 Fe\ in New Mexico, 

 in like situations. 



Bryum cirrhatum, Hopp. & Hornsch. 



Hab. — South Park, on low ground. 



Bryum pallescens, Schleich. 



Hob. — South Park, on damp ground. 



Bryum pallescens, var. y. contextum. 



