87 



Weisia. 



W. viridula. 



Calyptra cucullate. Capsule cylindric. Leaves costate, entire, acu- 

 minate, erect spreading, mucronate, margin involute, upper leaves larger 

 than the lower. Capsule plicate when dry. Operculum long beaked. 

 Plants small, forming tufts on soil usually dry or sandy. Plants bright 

 green. Mature in s|)ring. 



PI.KUROCARPOUS FORMS 

 I. In woods, on, humus, ground, or decaying logs 

 B. Operculum conic to short rostrate. 



C. Capsule ovoid, inclined. 

 D. Costate. 

 E. Serrate. 



F. Acuminate. 



Bryhnia Novae-AngUae. 



Brachylhecium. 



Hylocomium. 



CC. Capsule ovoid, erect or sub-erect. 

 D. Costate. 



E. Seirate. 



F. Acuminate. 



Brachylhecium cyrtophyllum. 

 acuminatum, 

 oxycladon. 



CCC. Capsule cylindric, inclined. 

 D. Costate. 



E. Entire. 



F. Acuminate. 



EE. Serrate. 



F. Acuminate. 



DD. Ecostate or costa short and double. 

 E. Entire. 



F. Acute. 



EE. Serrate. 



F. Acuminate. 



Campylium chrysophyllum. 

 Hypniim Haldanianum. 



Campylimn hispididum. 



Amblystegium. 



Hypnum (Cienidium) molluscum. 



(Stereodoti) imponens. 



(Stereodon) reptile. 



{Ptilium) Crista- castrensis. 

 Cratoneuron. 



Plagiothecium. 

 Calliergon Schreheri. 



Hypnum {Stereodon) Palieniiae. 



{Stereodon) imponens. 



(Slereodon) reptile. 

 Plagiothecium. 



