710 CXLYII. FILICES. [Alsophila. 
but the small scales scattered on the veins occasionally subtending the 
Spore-cases numerous, sessile or nearly so, usually more or less 
intermixed with hairs on a slightly raised receptacle; each with a 
vertical or oblique ring. 
arge tropical and rane! genus in the New and the Old World, differing 
ka Cyathea only in of an indusium. Of a five Australian species one i8 
also in Norfolk Vaid, t deat un appéar to be endem 
Secondary pier undivided, entire or crenate-serrate 1. A. Rebecca. 
Secondary pinns deeply pinnatifid, the segments all 
confluent at the base, ovate and pe 2. A. Loddigesii. 
Secondary | pinne pinnate at the base, the lower pi innules 
distinct, the VIE ones confluent, all entire serrulate 
ate. 
or slightly cr 
innules or se aed entire or deseri y crenate, 
serrulate only when barren o 5 birie end 3. A. australis. 
Lupe fano very neat, nad; pede with 
sori 4. A. Leichhardtiana. 
Secondary vis pinnate, the pinnules almost all distinc t 
ow and pinnatifid, hispid as wellastherhachis 6. A. Robertsiana. 
1. A. Rebecesm, F. Muel. Fragm. v. 117.—Trunk slender, 
described by some as 6 ft. high and 1 in. eren by others as twice 
that height and diameter. Hsec pinnze dark and: shining, un- 
divided, lanceolate, 2 to 3 in. long, 4 to 5 lines broad or rather more 
when barren, acuminate, crenate or obtusely serrate, obliquely truncate 
at the base but not adnate to the rhachis. Transverse veinlets with 3 
7 branches. Sori rather large, on 2 to 4 of the branches, forming 
about 2 irregular rows on -— ee of the ‘midrib. —Hook. and Bak. 
Syn. Filic. 40; Hook. Ic. Pl. t 
Queensland. Rockingham b Dallachy, W. Hill ; Port Denison and Daintree 
River, Fitzalan ; x Cape York Peninsula, W. Hahn's Ex pedition. 
Syn. l aired ap Dd shorter than i in d ae ie y 
rhachis slightly tomentose or über ulate, but soon glabrous and 
econdary pi to 3 in. long, lanceolate, deeply pinnam 
the segments all eonfluent at the ie. more ovate than in 4. australis, 
3 to 4 lines long, 2 to 21 lines broad, obtuse or almost acute, epupe i , 
transverse veinlets entire or once forked. Sori father small, 1 to 4 o 
each side ofthe midrib of each segment. 
cumin ee Oups = €. Moore, the specimens perfectly agreeing with à 
lin nceolate scales mixed with setaceous ones (0 
with only the one or the other?), the main rhachis and sometimes the 
