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bb. Capsule thick- walled. Leaves not setaceous; costa narrow. 

 IT. Eu-Bryum. Capsule with distinct, already before sporosis 

 downwards narrowed neck. Leaves often limbate; coeta often 

 excurrent. Stems r. julaceous. 



III. Pachylophus. Capsule with very short and thick, before 

 sporosis not narrowed and often indistinct neck. Leaves not 

 limbate, gen. reddish at insertion; costa not often excurrent. 

 Stems mostly julaceous. Us. dioecious. 



b. Cilia gen. smooth, r. appendiculate. Spores gen. large, 

 about 0,08 — 0,04 m. m., r. smaller (about 0,02 m. m.) Cap- 

 sule not r. oblique. 



IV. Cladodium. Capsule gen. with distinct narrowed neck. 

 Leaves mostly limbate; costa us. excurrent. 



B. Perichetial leaves well-defined gen. numerous. — Leaves 

 gen. denticulate with numerous teeth, r. (in Epipterygium) lim- 

 bate; costa gen. not excurrent. Capsule narrowly necked, not 

 oblique; cilia very r, (in Webera) appendiculate; spores gen. small. 



a. Endostomial segments broad; cilia us. long. 



V. Webera. Leaves not limbate, us. denticulate; cells us. 

 narrow; costa sometimes short-excurrent. 



VI. Epipterygium. Leaves broadly reddish limbate, entire, 

 the larger us. distichous; cells dilated; costa abbreviate. 



b. Endostomial segments somewhat narrow; cilia short or 

 rudimentary. 



VII. Polllia*). Perichetial leaves sublinearlanceolate narrowly 

 acuminate acute. Leaves not limbate; upper cells gen. very 

 narrow. 



Eu-Bryum. 



A. Basal leaf-cells not (or very pale) red. Capsule brown. 

 Leaves gen. entire. Dioecious. 



1. Julacea. Leaves crowded small green us. shining, gen. 

 neither limbate nor reflexed; cells mostly very narrow; costa 

 not or scarcely excurrent. Capsule not oblique. Stems julaceous. 

 R. fruiting. 



2. Speirophylla. Leaves more or less distant, often red, 

 not shining, sometimes reflexed or limbate; cells dilated; costa 

 sometimes excurrent. Capsule straight or (sometimes in B. pallens) 

 oblique. Stems not julaceous. 



B. Basal leaf-cells (at insertion of elder leaves) us. deep-red. 



•) Thla section could be rftlated as a proper genus to fam. Meeseacets, 

 allied to Plagiohryvm and Orthodontium. 



