1:24 HISTOEY OP BEinSH 1I055E5. 



elongated, slender^ rather loosek tufted ; leaves laXj erect, 

 from a broad base, linear-lanceolate, rigid, obtuse, keeled 

 upwards, destitute of hair-like points; capsule elliptical; 

 lid with a subulate inclined beak ; teeth narrow-lanceolate, 

 red, entire. — En^. FLj). 27; Jlii^l. Sj/n.j}t. l.j). 793. 



On the perpendicular face of an exposed rock above Bach- 

 nairaim, at the head of Clova. Discovered bv Mr. T. Drum- 

 mond. Fr. August. This is an elegant species, with much 

 of the habit and appearance of some Tn€host<nnums. It has 

 also been found in Xorway and Rhsetia, where it grows on 

 '^' moist rocks or such as are subject to frequent irrigation.' ' 



DIDYAIODOX; Hedw. (Didtmodox.) 



The teeth of the peristome of this genus approach in 

 pairs^ or are tinited at the base, whence the name, ticin- 

 tooth. The British species are aUied on one hand to the 

 Wei^\/p., and on the other to the Bicrann. By recent 

 authors this genus has been almost entirely dispersed among 

 others. 



Generic Character. — Seta terminal. Peristome single, of six- 

 t; -two teeth, approacMng in pairs, or united at the 



baii. '- dimidiate. 



