160 HISTORY OF BRITISH MOSSES. 



cuous from its size. The peristome is a beautiful object, 

 consisting, throughout most of the length, of a bright red 

 lattice-work, having the ciha free only at the end. 



9. ToRTULA uNGuicuLATA, Hook. and Taylor. {Bircl's- 

 claw Screw Moss.) Stems elongated, branched ; leaves 

 oblongo-lauceolate, subcarinated, obtuse, apicuiated, their 

 margins slightly recurved ; capsule oblongo-ovate; lid long, 

 rostrate. — Eng. Fl.ji. 45. Barbula unguiculata,. Milll. Spi. 

 pt. I.J3. 612. 



Banks, hedge-sides, and sandy fields, everywhere com- 

 mon. Pr. Winter. This is a very common, and, like all 

 such, a very variable species. The " bird claw " appearance 

 of its leaves is striking enough. Scotland. 



10. ToRTULA cuNEiPOLiA, Turn. {Wedge-sliaped Screio 

 Moss.) Stems scarcely any; leaves very broad, obovate, 

 slightly concave, pellucid, the nerve running out into rather 

 a strong mucro; capsule oblong; lid with a short beak; 

 cilia of the peristome united at the very base. — Eug. Fl. p. 

 46. Barbula cuneifolia. Mull. Syn. pt. \. p. 628. 



Banks and sandy fields in Devonshire and Cornwall. 

 Co. Cork, Ireland. This species, though very dissimilar in 

 structure from T. muralis, has a good deal of its appearance, 

 especially that of the var. brevipila, with which it has been 



