236 HANDBOOK OF BRITISH MOSSES. 



short, irregularly cloven. Hook. 8f Wils. t. xlv. ; (Moug. fy 

 Nest. n. 215). 



On moist rocks near alpine rivulets. Wales, Yorkshire, and 

 Derbyshire. Bearing fruit in spring. 



Forming wide, depressed, yellowish-green tufts. Leaves 

 slightly plicate below ; margin reflexed ; fruitstalk about \ an 

 inch long ; veil multifid ; lid conico-subulate ; teeth incurved 

 when dry. 



8. B. aciculare, Brid. ; dioicous ; loosely tufted ; stems 

 elongated, ascending; leaves spreading or secund, ovato-ob- 

 long, obtuse, toothed or entire at the tip ; nerve ceasing below 

 the apex ; sporangium ovato-oblong ; mouth small ; lid subu- 

 late; teeth deeply bi-trifid. Hook, fy Wils. t. xix. ; Eng. Bot. 

 t. 1978. ; (Plate 21, fig. 3) ; Moug. Nest. n. 22. 



On wet rocks. Bearing fruit in winter arid early spring. 



Forming dull-green patches. Leaves broader and much more 

 obtuse than in the last ; leaf-cells quadrate above, elongated 

 below, minutely papillose ; margin recurved. 



9. B. ellipticum, Br. fy Schimp. ; dioicous ; stern rigid, 

 brittle ; leaves spreading from an erect base, suberect when 

 dry ; .margin plane, slightly thickened ; nerve nearly reaching 

 to the tip ; fruitstalk short and thick ; sporangium ovato-glo- 

 bose, hard, even ; lid acicular. Hook, fy Wils. t. xix. ; Eng. 

 Bot. t. 1901. 



On moist granite, schist, or mica. Scotland, Wales, and 

 Ireland. Bearing fruit in winter and spring. 



Forming dark-green or blackish tufts. Stem about 1 inch 

 long, decumbent below; teeth of peristome lanceolate, bi- 

 trifid. 



Allied to Grimmia atrata and concolor, from which it differs 

 in the form of the veil. 



10. B. patens, Schimp. ; dioicous ; caespitose ; leaves spread- 



