166 HISTORY or BRITISH MOSSES. 



** Calyptra covered with succulent Jilaments. 

 t Leaves entire, their margins involute. 



3. PoLYTRicnuM PiLiFERUM, Schreb. {Bristle-pointed 

 Hair Moss.) Leaves lanceolato-subulate, their margins in- 

 volute^ entire, terminating in a pellucid hair-like point; 

 capsule ovate, obtusely quadrangular, furnished with an 

 apophysis; lid conical. — Eiig. Fl. p. 48; MillL Spi. pt. 1. 

 p. 217. 



On heaths, and similar waste ground. Fr. Spring. Ge- 

 nerally bare of leaves at the base of the stem. 



4. PoLYTRiCHUM JUNiPERiNUM, Willd. [Jtmiper-leaved 

 Hair Moss.) Lanceolato-subulate, their margins involute, 

 entire, their points acuminate, coloured, subserrated ; cap- 

 sule ovate, obtusely quadrangular, furnished with an apophy- 

 sis.— ^y. Fl. p. 49; Miill. Spi. pt. \.p. 218. 



On heathy ground, and wall-tops covered with earth. Fr. 

 Spring. The hair-tipped leaves of this species are the prin- 

 cipal mark of distinction from the preceding. Two varieties 

 are recorded both by British and Continental authors, viz. 

 strictum and alpestre. 



5. PoLYTRiCHUM SEPTENTRioNALE, Sw. {Northern Hair 

 3foss.) Leaves linear-subulate, obtuse, their margins, espe- 

 cially towards the top, involute, subserrulate ; capsule ovate. 



