108 THE VICTORIAN NATURALIST. 



Beak of operculum longer than in the preceding species. 

 Gullies and crevices of rocks of the Grampians and Pyrenees. 

 — Sullivan. 



(Read loih Oclober, 1887.^) 



Genus — Atrichum. Beauvois. 



Atrichum (Catherinea) Muelleri. C. Mueller and Hampe. 



Syn. — Atrichum ligiilatum. Mitten. 



Atrichujti angustatiim. Bryol. 

 Polyh'ichiim angustaium. Hooker. 



Stem slender, short, almost erect. 



Stem leaves lax, spreading, somewhat clasping at the base ; 



deciirrent, lanceolate, serrate, wavy at the margins, with 



a narrow, strong nerve. 

 Perichaetial leaves differing very little from the stem leaves. 

 SeicE. several, or single, on a branched stem; i^ to 2 



inches ; reddish brown. 

 Capsule cylindrical, long, sub-erect. 

 Calyptra covered with spiny teeth near summit (a good 



specific distinction). 

 Habitat — Gippsland, Apollo Bay, Dandenong, Tarwin River, 



Australian Alps, Grampians. 



Genus — Dawsonia. R. Brown. 



Dawsonia superba. Greville. 



Stem long, 6-12 inches, woody. 



Stem leaves spreading, clasping at the base ; linear 

 lanceolate, 4-12 lines long, coarsely serrate. 



Perichaetial leaves spreading, much smaller than the stem 



leaves. 

 Seta short, robust, with a few short, scattered, very minute, 



scale-like leaves above the perichaetial leaves. 



Capsule erect or nodding. 

 Calyptra small, hairy. 



Peristome consisting of numerous, hair-like teeth resembling 

 a miniature brush. 



If any advantage is to be derived from the application 

 of English names these mosses may be appropriately 

 described as " Brush Mosses." 



Two other genera of the sub-tribe Polytricheae are represented 

 in Victoria, but, so far, the species are monotypical. 



