POLYTEICHDM. 179 



Var. S. CAMPANULATTJM. , St. shoi't. L. narrower and 

 shorter. Caps, apophysate. Calyptra campanulate. 



85. POLYTRICHUM, Brid. 

 A. Caps. 6-angled. Apophysis indistinct. 



409. P. sexangulare, Floerhe. Barren st. 2 — 6 inches, 

 fertile shorter. L. short, incurved, rigid, linear-lanceo- 

 late from a broader base, margins plane, incurved, 

 almost cucullate at serrulate apex. Caps, short, at 

 first upright, afterwards cernuous, sometimes 6, some- 

 times only 4 or o-angled, lid rostrate. Calyptra short, 

 and shortly villous. 



Summits of Scotch mountains. August, September. 

 Ben Lawers, Cairngorm, &c. 



410. P. gracile, Dicks. St. about ^ inch, densely 

 tufted. L. short, lanceolate, from a broad, sheathing 

 base, wings pellucid, serrate, with prominent lamellae 

 on upper surface. Caps, ovate, obscurely 6-angled, 

 lid conico-rostrate, beak oblique. Calyptra small. 



Turbaries, &c. Frequent. Spring. 



411. P. formosum, Hedw. {attenuntum, Menz., Br. M. 

 PL). St. 3 — inches, loosely tufted. L. spreading, 

 linear- lanceolate, from a broad, glossy, sheathing base, 

 acute, serrate, lamellate. Caps. 4, 5, 6-angled, fawn- 

 coloured, lid long, conical, beak acuminate. Calyptra 

 large. 



Woods. June. 



B. Caps. 4-angled. Apophysis very distinct, discoid. 



412. P. piliferum, Schreb. St. about 1 inch, simple. 

 L. lower short, appressed, upper much longer, from 

 au ovate, sheathing base, lanceolate, prolonged into 

 roughish hair-points, margins entire, inflexed. Caps. 



N 2 



