222 HANDBOOK OF BRITISH MOSSES. 



On trees. Rare. Ireland; Yorkshire. Bearing fruit in 

 spring. 



Forming little tufts or cushions. Leaves not papillose ; 

 leaf-cells rather large ; teeth of peristome yellow, recurved 

 when dry. 



Schimper asserts that this is not the true O. pumilum of 

 Swartz, and the names of O. pumilum and ///# were wrongly 

 applied in the ' Bryologia Europsea/ Swartz's plant (Moug. 

 & Nest. n. 925) has narrow cylindrical sporangia, while in 

 the plant before us they are swollen. 



6. O. tenellum, Bruch ; monoicous ; stems short, tufted ; 

 leaves spreading, loosely imbricated when dry, elongato-lan- 

 ceolate, rather obtuse ; veil rather long and narrow, with a 

 few hairs ; sporangium exserted, oblong, widely striate. 

 Hook. % Wils. t. xlv. 



On trees. Rare. Ireland, Wales, Yorkshire, Derbyshire, and 

 Sussex. Bearing fruit in early summer. 



Sporangia golden-brown, with eight broad orange ribs; 

 veil narrow, glossy ; lid short, obtuse ; teeth eight, rather in- 

 curved when dry. 



7. O. affine, Schrad. ; monoicous ; stem erect, rather tall, 

 dichotomously branched ; leaves more or less spreading whe- 

 ther wet or dry, elongato-lanceolate, strongly papillose ; mar- 

 gin reflexed; sporangium elliptico-oblong, with narrow striae; 

 veil mitriform, clothed with short scattered hairs. Hook, fy 

 Wils. t. xxi. ; Eng. Bol. t. 1323. ; (Moug. % Nest. n. 323.) 



On trees and stones. Very common. Bearing fruit in 

 summer. 



Forming broad, loose, deep-green cushions. Veil pale- 

 green; sporangia pale, on rather long fruitstalks, with eight 

 narrow strise, and when dry as many ribs; cilia eight, as 

 long as the bigeminate teeth ; spores large. 



