Hcptd /'(•((' of North Awcrira. 115 



JJah.— Wet rocks, Mts. of N. Eng. to N. J. and southward ; also 

 Greenland. (Ku.) 



i>i6.— Syn. Hep. p. 7 ; Hep. P]urop. p. 127 (sub Marmpdia). 



Z><iin.— Ekart, t. XI, f. 91. 



E'.c^ic— ]Musc. Alloghan. No. 216; Hop. r.or.-Amer. No. 3b. 



** Ainphi(/asfr/(f trhoKjuJar-sHhidafc. 



5. N. Lescurii (Aust.) Stems prostrate, copiously ra- 

 diculose beneath as well as the usually einargiiiate-l)ilohed 

 leaves; areolation lax; ainphigastria entire or the uppermost 

 suhdentate. ( Aliculana Lescurii Aust.) 



Hab.—Wet rocks, Tallulah Falls, Ga. {Lesqmrcux, 1850). 

 Bib.— Torrey Bull. VI, IS. 

 Exsic. — Hep. Bor.-Amer. No. 5. 



XXXII. CESIA B. Gr. 



Involucral leaves numerous, imbricate. Inner involucre 

 wanting. Calyptra immersed in the involucral leaves. Cap- 

 sule quadrivalved, coriaceous. Elaters bispiral, deciduous. 

 Leaves closely imbricate. Amphigastria wanting. (Acolea 

 Dumort.) 



1. O. concinnata K. Gr. Stems intricately branching, 

 thickened at the apex: leaves closely imbricate, ovate, the apex 

 bifid, Avith a narrow scarious margin. (Jiingermania roiiclii- 

 luffd Lightf., (hjmnoniitriiini concinncdam Corda, AcoJea conciii- 

 iKitd Dumort.) 



fi;<6.— Alpine regions of White Mts., N. H. [Oakes). (Eu.) 

 i)*.— Syn. Hep. p. 3 (sub Gi/mnomitrium) ; Hep. Europ. p. 122 (sub 

 Acolea). 



Dt'K/i.— Brit. Jung, t- 3 ; Ekart, t. VIII, f. 63. 

 Exsic. — Hep. Bor.-Amer. No. 1. 



