192 HANDBOOK OF BRITISH MOSSES. 



Gregarious. Margin of leaves scarcely reflected ; mouth of 

 sporangium small; teeth of outer peristome deep-red; inner 

 peristome adherent ; cilia rudimentary. 



Sect. II. Inner peristome free ; processes long, perfect, with inter- 

 mediate cilia of the same length appendiculate at the articula- 

 tions. 



8. B. intermedium, Br. fy Schimp. ; synoicous, broadly 

 csespitose; stem radiculose, with short innovations; leaves 

 loosely imbricated, ovato- or elongato-lanceolate ; nerve ex- 

 current; sporangium elongated, with a long neck; lid acute. 

 Hook. 8f Wils. t. xlix. ; {Moug. $ Nest. n. 927.) 



On walls, rocks, etc. Bearing fruit in summer and autumn. 



Forming broad bright-green patches, matted together below 

 by copious rootlets. Leaves more or less spreading ; margin 

 strongly reflected; nerve reddish, especially below, running 

 out into a toothed hair-like point; sporangium cernuous, 

 rather thin, pendulous, sometimes slightly curved. Ripening 

 its fruit at intervals for several months in succession. 



9. B. foimum, Schreb.; synoicous; CBespitose, simple or 

 branched, radiculose ; leaves spreading, ovato- or oblongo- 

 lanceolate, concave, keeled; margin recurved, narrow-celled, 

 twisted when dry; sporangium pendulous, oblongo-pyriform, 

 contracted below the mouth when dry ; lid broadly mammil- 

 lary. — Hook, fy Wils. t. xlix. ; Eng. Bot. t . 1518 ; (Moug fy Nest. 

 n. 1216). 



In boggy places, on wet rocks and walls. Bearing fruit in 

 summer. North of England. 



Forming green or olive shorter or taller patches, matted 

 together with purple rootlets. 



Often confounded wiihB.pseudotriquetrum, but distinguished 

 by the bisexual inflorescence, less crowded and less solid dis- 

 tinctly cuspidate leaves, the shorter sporangium, and wider 

 shorter lid. 



