Cyathea.] CXLYIT. FILICES. 709 
broad and short under the sorus, irregularly lobed.--Hook. and Bak. 
Syn. Filie. 25 ; Schkuhr, Filic. t. 133; F. Muell. Fragm. v. 116. 
N. S. Wales. Richmond River, Wovlls. : 
Victoria. Cape Otway, Wilkinson, Marriner. 
Tasmania. Near Circular Head, Gunn, S. B. Emmett. 
Alsoin New Zealand, the Malayan Archipelago and South Pacific Islands. 
5. C. brevipinna, Baker.—A single specimen of what appears to 
be the greater part of a frond, 1i ft. long. Rhachis thick, scaly- 
hispid. Primary pinne about 6 in. long and 3 in. broad; secondary 
pine 1 to 1} in. long ; pinnules 3 to 4 lines long, rather broad, entire 
or slightly lobed in the fraiting part. Sori large and one to each lobe 
as = C. medullaris, of which however this can scarcely be a variety 
only, 
N. S. Wales. Lord Howe's Island, Lind and Fullagar. 
15, HEMITELIA, Br. 
Tree ferns, with the habit and principal characters of Cyathea and 
Alsophila. Sori in the typical American species towards the end of 
the venules and on all or most of their branehes, but in the Australian 
one and a few others near the base of one fork as in Cyathea. Indusium 
when open half eup-shaped or semicircular, interrupted on the upper 
side and often very deciduous. 
A tropical or subtropical genus, the typical species all American, the Australian 
one apparently endemic, but allied to species both in the New and the Old World. 
side of the midrib, one o posite each lobe as in Cyathea, but the 
indusium when open dimidiate, being quite or almost interrupted on 
the upper side. 
N. S. Wales. Lord Howe's Island, C. Moore and others. 
H. Godefroyi, Luerss. in Journ. Mus, Godefr. vi. 4, from Brisbane River, Amalia 
Dietrich, is unknown to us, nor is it known whether it is arborescent or not. It is 
scribed from a single frond, which was at first believed to be that of an Aspidium, 
till it was ascertained that the spore-cases were those of a Cyathea, with a very small 
Semicircular indusium concealed under the sorus. 
16, ALSOPHILA, R. Br. 
Tree ferns, with large twice or thrice pinnate fronds, the transverse 
veinlets of the pinnules or segments forked or divided, bearing a soris 
91 one or more of their branches. Sori globular, without any indusium, 
