Australian Mosses. 81 



Muelleriana, Hampe in Linnasa, I860, 637 (Gly- 

 phothecium). 



Tasmania, Sir J. Hooker; Tarwin, Gippsland, F. v. M. 



Ptychomnion, J. Hook, and Wils. 



P. aciculare, Labill (Hypnum), Brid. 



New South Wales, Capt. Cartwright ; Victoria, 

 F. v. M.; Tasmania, Lyall, Gunn, Archer, Oldfield. 



Pterobryum, Hornschuch. 



1. * Calyptothecium. 



P. Australinum, Mitten ; rami pinnati, frondiformes, stipi- 

 tati ; folia (e medio f rondis) complanata, patentia ; 

 media ovata, apice late acuta ; lateralia complicata, 

 infra apicem parum excavata, omnia nervo tenui ultra 

 medium evanido prasdita, margine, integerrima, cellulis 

 •oblongis pellucidis areolata. 



Islands of Moreton Bay, F. v. M. 

 Fronds 3 inches high, about 2 millimetres wide, where 

 the foliage is most fully developed. In colour pale- 

 green, scarcely shining. 



P. humile, Mitt.; P. Australino simillimum, sed folia (e medio 

 frondis) oblonga, obtusa; lateralia complicata; omnia 

 nervo tenui, supra medium evanido praedita, margine 

 apicem versus subserrulata, cellulis oblongis areolata. 

 Richmond River, Henderson. 



P. acutum, Mitt.; folia (e medio frondis) ovata, apice obtuse 

 acuminata, lateralia breviter acutata et complicata, 

 omnia basi cordato-auriculata, nervo tenui supra medium 

 evanido instructa, apice serrulata, cellulis elongatis 

 areolata. 



Richmond River, Henderson. 



P. duplicato similior. 



2. ** Trachyloma. 



P. planifolium, Hook. (Neckera). 



Parramatta, Woolls ; Tasmania, Mossman. 

 P. Muelleri, Hampe. 



Apollo Bay, F. v. M. 

 P. diversinerve, Hampe. 



Yarra River, F. v. M. 



H 



