130 HISTOEY OF BRITISH MOSSES. 



12. DiDYMODON LONGiiiosTRis? TTcb. and Molir. [Long- 

 bealced Didi/modon.) Stems elongated, loosely csespitose ; 

 leaves subulato-setaceous, falcato-secund ; seta incurved, 

 flexuose; capsule oblongo-cylindrical ; lid rostrate. — Eng. 

 Flora, p. 31. Dicranum denudatum, Milll. Syn. part 1. 

 p. 403. 



Moist shady rocks in alpine situations, but always barren. 

 Ben-y-gloe and Cairngorum. "\Ye are not aware that the 

 fruit of this Moss has yet been found in Britain, till which 

 it must remain uncertain whether it is the true plant. It 

 and its allies love to grow amid 



" Steep and lofty cliffs, 

 That, in a wild, secluded scene, impress 

 Thouglits of more deep seclusion." 



13. DiDYMODON HETEROMALLUS, Hook. and Taylor. 

 {Curved-leaved Grmimla.) Stems rather short; leaves sub- 

 secund, subulate; capsule ovato-cylindraceous ; lid conical. 

 — Ung. Fl.p. 31. Leptotrichum homomallum, Milll. Syn. 

 Jit. \.p. 453. 



On banks, wall-tops, and elsewhere, on sandy or clayey 

 soil, especially in mountainous districts. Fr. Summer. This 

 elegant Moss is found abundantly throughout Scotland, and 

 will often meet the eye of the botanist, while he is in search 



