LEUCOBBYUM. 81 



per. 1. oblong, convolute, subulate at apex. Thecae 

 aggregated on short peduncles, oval, unequal, rough 

 at base, lid obliquely rostrate. Calyptra reaching 

 middle of capsule, sparingly fimbriate. 



Dry heaths and stony places. 



Cornwall, Jersey, Scotland, Ireland. 



95. C. bjrevipilus, B. and 8. In dense, broad tufts, 

 when dry glossy yellow-green above, fuscescent below, 

 f — 15 inches high, almost free from radicles, fastigiate. 

 L. erect, densely crowded, narrowly lanceolate-subu- 

 late, very concave, the point denticulate at margin and 

 back, scarcely auricled, nerve one-third width of leaf, 

 base excurrent into a short hair point ; per. 1. wider, 

 sheathing, narrowed into a hispid hair, margin recurved 

 above base. Areola lax, basal cells quadrate, above 

 rhomboidal, flexuose, marginal very narrow. Female 

 fl. solitary. 



Heathy places. 



Sussex, Hants, Cheshire, York, Arran. 



Var. AUKicuLATUS, Ferg., Eev. Bry., 1879, p. 26. 

 Having more or less conspicuous auricles, composed of 

 large, fuscous cells. 



Several places in Scotland and England. 



Tribe vi. Lettcobetacej;. 

 20. LEUCOBRYUM, Hampe. 



96. L. glaucum, Hampe. St. 1 — 6 inches or more, 

 dichotomous, fragile, fastigiate. L. subulate from an 

 ovate-lanceolate base, erect, rather obtuse, and api- 

 culate. Caps, cernuous, strumose, furrowed when 

 dry. 



Moist. .heaths, woods, rare in fr. Winter. 



a 



