TEICHOSTOMTJM. 99 



an apiculus, wliicli bears a cluster of egg-shaped or 

 oblong gemmEe. 



Old thatcli. 



Amberley, Sussex (Mitten), &c. 



157. D. cylindrious, B. and S. i — 1 inch. L. spread- 

 ing, flexuose, linear-lanceolate, margin undulate and 

 minutely crenulate, nerve narrow, forming apiculus, 

 areolae small, opaque, gradually enlarged towards the 

 base, there diaphanoas. Caps, erect, narrow, cylin- 

 drical, lid long, conico-rostrate. Perist. teeth linear- 

 lanceolate, fugacious. 



Damp shady rocks. . October. 



158. D. sinuosus (Schp.), Mitt. {Dicranella, Wils. 

 MS. ; Trichostomum, Lindb.). Densely ceespitose, 

 fuscous below. L. long, linear-lanceolate or subulate, 

 patent, from a very short, pellucid base, margin slightly 

 recurved below, above denticulate, nerve continued 

 into a thick, obscure, blunt point, often broken oS, 

 basilar cells all oblong and rectangular. Fr. not known. 



Shady places at roots of trees. 

 Sussex, Cornwall, Bangor. 



159. D. recur vifolius, Tai/Z, " Stems elongate, loosely 

 csespitose. L. squarrose, crisped and undulate when 

 dry, elliptic, oblong or ligulate, pale margined, serru- 

 late, nerve subexcurrent, areolae small, dense, opaque, 

 elongate and pellucid at base." 



Ireland, 1842 j fruit not known (Wilson). 



Fam. 3. Trichostomse. 

 36. TRICHOSTOMUM, Br. avd 8. 



160. T. tophaceum, Brid. St. 5 — 1 inch, densely 

 caespitose. Br. fasciculate. L. lanceolate (the upper 

 ones obtuse), concave, keeled, margins recurved, nerve 



H 2 



