January, 1939 The Queensland Naturalist 
27 
Distribution . — Widely spread over all the eastern 
portion of Queensland; also in New South Wales, Vic- 
toria, Tasmania, New Zealand and New Caledonia. 
var. lomarina F.v. Muell. Frag. V., 130 (1866). 
Differs from the type in having confluent sori which 
eventually occupy the greatest part of the surface. 
Distribution— South-eastern Queensland: Marybor- 
ough, Brisbane. 
var. laminosa Fv. Muell. Frag. V., 130 (1866). 
Fronds entire for the most part, with a few short, 
broad pinnae below; sori eventually confluent, covering 
the under surface Lomaria-like. 
Distribution. — Eumundi, S.E. Queensland; Parra- 
matta, New South Wales. 
var. dimorpha Domin in Bib. Bot. 85, 124 (1915). 
Fronds very dimorphic, narrow-linear, the sterile ones 
subdecumbent, short with broad close pinnae, the fertile 
ones erect, about twice as long with longer, more distant, 
narrower pinnae ; sori confluent. 
Distrbution. — South-eastern Queensland: Tambourine 
Mountain, Flinders Peak, Blackall Range, Camp Mountain 
(near Brisbane) ; North-eastern N.S.W. : Brunswick 
River (near Mullimbimby). 
5. D. media R. Br. Prodr. 151 (1810). 
D. caudata R. Br. var. media Benth. FI. Austr. VII., 
742 (1878). F. M. Bail, Queensl. FI. VI., 1967 
(1902). 
D. aspera R. Br. var. media F. M. Bail, Fern World 
Austr. 52 (1881). 
Plant much more robust and taller than any of the 
preceding allied species ; fronds with the stipes from 30-50 
cm. long and 4-6 cm. broad; stipes usually clothed at the 
base with narrow blackish scales; fronds with the upper 
segments confluent and adnate to the rhachis by their 
broad bases, segments linear, falcate, below the middle 
gradually shorter and broader, and eventually at the base 
becoming short, broad, obtuse, often auriculate, rather dis- 
tant, free pinnae ; sori distinct, usually in 1 row but often 
in 2 rows on each side of the costa. 
Distribution. — Common along the east coast of Aus- 
