BY W. W. WATTS. 791 



Subgenus Litobrochia. 

 Pt. tripartita Sw. ; Pt. marginalis Bory. 

 Stoney Creek, near Cairns; July, 1913. 



(1)yar. Frlicienn^ (F.v.M.) Dom. 

 With some doubt I place here a young plant found near Major's 

 Selection, Ravenshoe; Aug., 1913. 



Histiopteris J.Sm. 

 H. mciSA(Thunb.)J.Sm. 

 Cairns district; July- Aug., 1913. 



Pteridium aquilmum var. esculentum I did not find, nor the var. 

 lanuginosum. Domin's var. nov., yarrahense, shows the leaf-for- 

 mation of var. esculentum, with the "hairing' of v. lanuginosum. 



Monogram MA Sehkhr. 



M. PARADOXA(Fee)Bedd. ; M. Junghuhnii{M.ett)'H.ook. 



Var. angustissima (Brack.) Dom. ; M. Junghuhnii vai*. tenella 



Benth. 

 Among other ferns on branch of tree overhanging the creek 

 above the Falls, near Major's, Ravenshoe; Aug., 1913. 



Domin found this dainty rarity near Lake Eaeham, and he 

 states that this was but the second locality recorded, the first being 

 "Rockingham Bay (Dallachy leg.)." My specimens were in excel- 

 lent condition. 



Vittaria J.Sm. 

 V. elongata Sw. 

 On dead tree lying in bed of Russell River; July, 1913. 

 Var. Wooroonooran Bail., I did not find. 



Antrophyum Kaulf . 

 A. reticulatum Kaulf. 

 Several localities, especially on rocks, etc.. Frenchman's Creek; 

 July, 1913. 



The species of the genus Antrophyntn are difficult to separate, 

 and considerable confusion appears to exist in Herbaria. Met- 

 tenius has shown the importance of the cell-formation of tlie para- 



