HYPNACE^.] 136 [Hylocomium. 



Dioicous ; in dense interwoven dark green patches, the stems 

 prostrate, rigid, fragile irregularly pinnate, the branches long and curved, 

 often flagelliform, paraphyllia few, ovate. Leaves erecto-patent, secund, 

 ovate-acuminate, finely denticulate at margin, nerves very short, some- 

 times single and reaching middle of leaf; cells incrassate elliptic, the 

 ends projecting as papillae, longer in middle, and at basal margin 

 rounded-quadrate ; branch-leaves smaller, ovate, acute. Perich. bracts 

 erect, lanceolate-acuminate with filiform points ; seta short, red, smooth, 

 capsule horizontal, ovate-oblong, olivaceous, lid conic, rostrate, calyptra 

 whitish, teeth of peristome pale, cilia two, filiform. 



HAB. Damp shady rocks, not uncommon. Fr. very rare, n. 



Near Aber, Beddgelert and Dolgelly c. fr. (Wilson) ! ! Near Bolton, Lane. (Scholefield). 

 Pont Aberglaslyn c. fr. (Hunt) ! ! O'Sullivan's Cascade c. fr. (Moore 1866). 



Var. /?. flaccidum Br. ScJi. 1. c. 



Very small and soft, with capillary stems ; leaves minute, longish- 

 lanceolate, distant, spreading on all sides. 



SVN.Htteroeladium heteropterum fi.fallax MILDE Bry. Siles. 270 (1869). 

 Het. heteropterum Var. cavernarum MOLENDO Bayer. Laub. 210 (1875). 

 Het. heteropterum forma umbrosa H. MUELL. Westf. Laub. No. 316. 



HAB. Wet hollows in rocks. 



Near the Strid, Bolton woods (Bagnall) ! Seckley wood, Stafford (Bagnall). 



B. EUSTEREODONTE.E. Plants more robust, Hypnoid in habit, the leaves 

 smooth. 



14- HYLOCOMIUM Br. Sch. 



Bryol. Eur. fasc. 4951 (1852). 



Robust mosses growing in woods in large lax tumid mats. Stems 

 bipmnate, fasciculate or vaguely branched and often with paraphyllia 

 Leaves glossy, spreading or squarrose, minutely serrate, with two 

 nerves and very narrow linear cells. Capsule cernuous, ovate, 

 pachydermous ; hd convex-conic, peristome as in Hy P nu,n. Der. a 

 inhabiting woods. 



aad yradI M ' *"" but { distinct habit, 



mode of bLXnf ^ "* '^ f < " e s OT - ^ regular 



