Dacallia.| CXLVII. FILICES. 717 
Mixt. n. 247 ; Dicksonia dubia, Gaudich. in Freye. Voy. Bot. 367; 
Hook. Spec. Filic. i. 71, t. 24; Hook. f. Fl. Tasm. i. 132; Balan- 
tium Brownianum, Presl, Pteridogr. 134. 
Queensland, Moreton Bay, F. Mwebr; Port Denison and Mount Elliott, 
Fitzalan ; Rockingham Bay, Dallachy. 
. S. Wales. Port Jackson to the Blue Mountains, R. Brown, A. Cunningham 
, CO. St i Tweed River, 
R 
in the lower part, pinnatifid towards the end, membranous, hairy under- 
neath as well as the rhachis. Lower pinnules } to £ in. long, pinna- 
only by the broad base.—Polypodiwm spelunce, Linn. ; Microlepia 
spelunce, T. Moore; Bail. Queensl. Ferns, 52 ; Davallia flaccida, R. 
Br. Prod, 157; F. Muell. Fragm. v. 118, D. polypodioides, Don ; Hook. 
Spec. Filic. i. 181. 
Queensland. Endeavour River, Banks and Solander ; Broad Sound, Bowman ; 
Rockingham Bay, W. Hill, Dallachy. ; 
Widely spread over tropical Asia and Africa. 
7. D. tripinnata, F. Muell. Herb.—An elegant fern of which I have 
only seen a single frond in herb. F. Mueller, 8 in. long, 6 1n. broa 
on both sides but rather thin, the lower pinne and pinnules quite dis- 
tinet, the upper ones smaller and confluent at the base. Sori few in! 
Specimen under the sinus of some of the smaller lobes. Indusium 
membranous, broad and somewhat jagged, attached only by the broad 
ase. 
Queensland. Bellenden Ker Range, W. Hill. 
20. VITTARIA, Sm. 
Rhizome creeping. Fronds simple, linear, the very oblique veins 
connected in an intramarginal vein. Sori continuous along the intra- 
marginal vein, with a two-valved indusium of the substance of the frond, 
