68 MB. W. MITTEN ON THE MOSSES OE 



4. Trematodon, Bich. 



T, FLExiPES (MiV^ew). Dioicus? csespitosus, caule erecto breviusculo, 

 foliis erecto-patentibus lanceolato-subulatis integerrimis nervo lato 

 totam fere folii partem superiorem oceupante, periehaetialibus latis 

 vaginautibus, theca in pedunculo brevi gracili flexuoso stramineo sub- 

 erecta rufo-fusca collo pallidiori sequilongo, operculo curvirostrato, 

 peristomio e dentibus rubris dicranoideis annulo coraposito. 



Hah. On the ground, plain behind Cumming*s Head, Western Moun- 

 tains, Tasmania, Mr. Archer. 

 Very nearly resembling T. brevicollis, but with leaves in which the 



nerve occupies the whole of the upper three-fourths, the seta flexuose, 



and the peristome with distinctly cleft teeth. 



5. Bltndia, Br. Sf Sch. 



B. acuta, B. 8f S., var. curviseta. 



Hab. Tasmania, on stones, rivulet behind Cumming's Head, Western 

 Mountains, Mr. Archer. 



6. DiCBANUM, Hedw. 



D. robustum, Hook.fil. et Wils. 



Hab. Tasmania, Cheshunt, Mr. Archer. 



D. pungens, Hook.fil. et IVils. 



Hab. Tasmania, Cheshunt, Mr. Archer. 



D. Billardieri, Schw. 



Hab. Tasmania, on logs in creeks, Mr. Archer. 



D. dicarpon, Nees. — D. leucolomoides, C. Mull, in Bot. Zeit. 1851, 



p. 549. 

 Hab. Tasmania, in many places, Mr. Archer ; Wellington Falls, Mount 



Wellington, Mossman, No. 744. 



Variable in appearance, but a most distinct species. 



D. Menziesii, Taylor. — D. brachypelma, C. Miill. in Bot. Zeit. 1851, 



p. 550 ! 

 Hab. Tasmania, in creeks, Mr. Archer. 



D. ANGUSTiNERVE (Mitten). Dioicum, D. Billardieri simile, caulibus 

 brevibus ramosis, foliis patentibus subsecundis e basi subovali elon- 

 gata sensim angustatis, nervo angusto percurrente dorso marginibusque 

 apicem versus serrulatis, cellulis elongatis angustis alaribus oblongis 

 quadratisque flavide fuscis in massam quadratam utrinque dispositis, 

 perichaetialibus convolutis internis vaginautibus subito in acumen 



