70 



SYNOPSIS OF BRITISH MOSSES. 



lanceolate, the longitudinal walls of their cells commu- 

 nicating by fine pores. Caps, cernuous, cylindraceous, 

 more or less arcuate. 



a. L. not undulate. 



67. B.majvis, Smith. St. 2 — 6 inches^ loosely c^spi- 

 tose. L. lanceolate-subulate, falcato-secund, concave, 

 dentato-serrate at apex and back, nerve excurrent. 

 Caps, horizontally cernuous, curved, furrowed when 

 dry, lid with a very long oblique beak, setse pale, 

 aggregate. 



Shady banks, &c., in woods. Frequent. 



July, August. 



68. D. scoparium, Hedw. St. 2 — 4 inches, loosely 

 tufted, dichotomous. L. lanceolate-subulate, secand 

 or falcato-secund, carinato-concave, margins inflexed, 

 serrate at apex; nerve with about four prominent ridges 

 at back, serrate at apex, upper cells linear-rectangular ; 

 per. 1. larger, convolute. Caps, cylindrical, slightly 

 curved, seta solitary, lid with a long beak. 



Shady banks and rocks. Common. July, August. 



Var. /3. ALPESTEB. Denser. L. denser, broader, 

 slightly secund, margin and nerve scarcely toothed. 



Kiilarney. 



Yar. 7. EECUEVATUM. Slender, elongate. L. suddenly 

 larger above, falcato-secund. 



Sussex. 



Var. S. TUEPOSUM. TaU, glossy, with few radicles. 

 L. erecto-patent, subcuspidate at apex, almost entire, 

 dark-coloured below. 



Lofthouse, Yorkshire. 



Var. €. OETHOPHYLLUM. Tufts dense, radiculose. L. 

 nearly erect, rigid, elongate, almost entire at apex. 



