190 HISTORY OF BRITISH MOSSES. 



and near Aber, North Wales, by Mr. "Wilson. Pr. Spring. 

 This species has much of the appearance of B. turhinatum, 

 for which it may frequently have been taken. The capsules 

 especially resemble that species, while the leaves correspond 

 much with those of B. carneum, though somewhat broader. 



11. Bryum Ludwigii, Spreng. {Ludw'ujs Thread Moss.) 

 Stems ascending or erect, branched with annotinous shoots ; 

 leaves ovate, rather obtuse, the upper ones lanceolate, rather 

 distinctly reticulated, subserrated, concave, the margins 

 plane ; nerve disappearing below the summit ; capsule ob- 

 long, pendulous. — Eng. Fl. p. 59 ; Ililll. Si/n. pt. 1. p. 332. 



On the Clova Mountains, in shady spots where water has 

 stood; gathered there by a well-known trio of British 

 Muscologists, Drs. Hooker, Arnott, and Greville. Pr. Sep- 

 tember. It has several sets of shoots rising one above an- 

 other, according to the years in which they have been 

 produced, the last series being alone green, the others dar- 

 kened by the snow-water, with which it is in most cases in 

 close proximity. 



13. Bryum argenteum, Linn. [Silvery TJiread Moss.) 

 Stems branched; leaves closely imbricated, broadly ovate, 

 suddenly and sharply acuminated, subserrulate, very con- 

 cave, the nerve disappearing below the point ; capsule ovato- 



