Hymenophyllum d CXLYII. FILICES. 707 
Patan, ati and Buffalo Ranges, Apollo Bay, Gipps’ Land, F. Mueller ; 
nia. Derwent River, R. Brown ; abundant in shady places, J. D, Hooker 
wg akes. zie 
Widely spread over most AEN and cooler I of the globe, in the Old 
World portion of the northern h western plant, 
8. H. multifidum, Swartz; Hook. Spec. Filic. i. 98; Syn. Filic. 69. 
—Fronds on a filiform stipes, ovate or rhomboidal in outline, thrice 
pinnatifid, 2 to 4 in. long, the upper segments confluent with the winged 
rhachis, the lower pinne distinct; lobes linear, bordered by minute 
teeth. idt mostly near the base of the primary or secondary pinne 
on their er margin as in H. tunbridgense, from which this species 
differs chiefly | in the much more compound fronds, and in the valves of 
the us which are Mri quite entire or obseurely toothed.— . 
Hook. and Grev. Ic. Filie. t. 167. 
S. Wales. Lord Howe’s Island, C. Moore. Also in New Zealand and in the 
South Pacific Islands. 
Triger V. Cyarnræ.—Trunk arborescent, at least in the Australian 
species. Fronds large, circinate in vernation, twice or thrice pinnate. 
Spore-cases numerous, small, with a more or less eique ring, in 
globular sori on the under surface of the segments or pinnules 
14. CYATHEA, Sm. 
Tree ferns, with large twice or thrice pinnate or in species not 
Mesi simple fronds, the transverse veinlets ofthe pinnules or 
segments forked or divided, bearing a i , 
the sori arranged in a single row on each side of the mi rib. 
niim erous, inate or nearly so on a shortly rai 
a vertical or oblique ring. 
A largo tropical or subtropical genus common to the New and the Old World. 
ee cd tegen entire or slightly pera mes Sori in 
each side of the 
Tala large niii -persistent, bu the spore- 
Rhachis and pinnules glabrous or nearly so 1. C. Lindseyana. 
Rhachis and under surface of the pinnules cottony oi or i 
WOOLEY) GET TAA Sarees ie how C. arachnoidea, 
i iduous leaving only a ring. ` Rhachis ; M 
gth glabrous . . . 3. C. Macarthurii. 
Pinnz 4to6 in. long.  Pinnules linear, 6 to 9 lines long . medulli 
Pinna 1 to 14 in. long. Pinnules 3 to 4 lines es long . . (Cà 
