274 HANDBOOK OF BRITISH MOSSES. 



7. C. brevipilus, Br. fy Schimp. ; caespitose, elongated, di- 

 chotomous; leaves lanceolate, acuminate; margin recurved; 

 nerve narrow. — Hook, fy Wils. t. xl. 



In woods on a sandy soil. Northumberland. Fruit un- 

 known. 



Forming yellowish tufts. Leaves much shorter than in the 

 last, with a narrower nerve, which is not sulcate at the back. 



90. DICRANODONTIUM, Br. fy Schimp. 



Fruitstalk arched, veil cucullate, entire at the base; spo- 

 rangium without strise ; ring obscure or wanting ; peristome 

 single, of sixteen linear-lanceolate distantly trabeculate teeth, 

 very deeply cloven into two unequal divisions ; leaf-cells nar- 

 row above, rectangular at the base. 



1. D. longirostre. — Hook, fy Wils. t. xxxix. ; (Moug. §• Nest, 

 n. 411.) 



In mountainous woods, on rocks, wood, or turf. Near Kil- 

 larney, Dr. Taylor. Bearing fruit on the Continent in au- 

 tumn. 



Dioicous; forming broad yellowish silky patches; leaves 

 erecto-patent or secund, setaceous from a lanceolate base, with 

 a broad predominant rib. 



II. Fruitstalk straight or slightly flexuose (Dicranei). 



91. CERATODON, Brid. 

 Fruitstalk long, subflexuous ; sporangium widely furrowed, 

 with a short strumous neck ; veil cucullate ; ring broad ; pe- 

 ristome single, of sixteen lanceolate very deeply cloven teeth, 

 connected below by transverse, internally prominent articula- 

 tions; leaf-cells small, subpunctiform above, elongated and 

 pellucid below. 



