EC at eso deli Oe aif 
fie iui n. oe ca Snc e e 
EV Oper equ ce UH e 
Polypodium.] CXLVIL, FILICES, 769 
differs in the much thinner texture of the frond and in the narrow scales of the 
rhizome. The latter character is however very uncertain in Polypodium, where the 
scales always appear much narrower on vigorous ends of the rhizome than on older 
portions when the points have become much worn down. 
numerous free veinletsin the areoles. Sori large in the centre of the 
larger areoles, distant in a single row on each side of the midrib at 
some distance from it, the receptacles deeply exeavated and very pro- 
p ‘on the upper surface.—Hook. Spec. Filie. v. 81, Syn. Filie. 
Queensland, Daintree River, Fitzalan. 
Spread over East India, the Malayan Peninsula and Pacific Islands. 
_ P. membranifolium, R. Br. Prod. 147, from Endeavour River, Banks and Solander, 
is most probably, from the short diagnosis and the station, the same as P. nigrescens, 
Blume, and.if that were proved, Brown's name has the right of priority, but unfor- 
tunately the original specimen.cannot now be found in the Banksian herbarium. 
Queensland. Cape York, Daeme/ ; Rockingham Bay, Dallachy ; Daintree River, 
Fitzalan. 
Widely spread over the tropical regions of the Old World. 
18. P. pustulatum, Forst. ; Carruth. in Seem, Fl. Vit. 369, not of 
Sehkuhr.—Near P. phymatodes but a smaller and more ha 
Fronds usually deeply pinnatifid, 
but sometimes entire and 4 to 8 in 
mostly acuminate, 3 to 6 in. 
i -de the primary veius with copious interm 
od ts in the areoles. Sori orbicular, rather 
large, distant, in a single row on each side of the midrib at . distance 
D 
VOL. VII. 
4 
