Adiantum.] CXLYII. FILICES. 723 
Sori marginal, short and distinct or rarely elongated and confluent. 
Indusium continuous with the margin and recurved bearing the spore- 
cases on its under surface. 
e 
and the Old World, two extend from 
Islands, one of them also into Africa, the two remaining ones only into 
Zealand, none of them endemic in Australia. 
1 
mtinuous. . . . . Ll. A. lunulatum. 
Fronds bipinnate. Pinnules broad divided into cuneate 
Obes. Sori transversely oblong . . . . ... 
Fronds mostly 3-pinnate. "Pinnules broadly obovate 
nearly equal at the base. Indusia reniform. . . 3.4. ethiopicum. 
Fronds bipinnate or 3-pinnate at the base. Pinnules ~ 
ique or dimidiate. Rhizome creeping. 
inne numerous. Pinnules mostly 3 to 4 lines 
. broad. Sori and indusia transversely oblong . 4. A. formosum. 
Pinns fewer. Pinnules more equal, 4 to 8 lines 
2. A. capillus-veneris. 
road, 
Todts réeniorm |, o 4 7. 95s os 2 Be 4. affine. 
Indusia transversely oblong . . . . . . . . war. intermedium. 
Fronds with few long almost pedate glabrous pinnæ. 
"innules membranous, finely vei Sori in the 
sinus, reniform. Rhizome tufted . . . . . 6. A. diaphanum. 
Fronds more pedate, more or less hispid. Pinnules 
prominently veined, Sori rounded, contiguous. 
Rhizome usually tufted . . . phu us 
Lu, lunulatum, Burm.; Hook. Spec. Filic. ii. 11, Syn. Filic. 
114.—Rhizome short. Fronds tufted, simply pinnate, 6 in. to near 
7. A. hispidulum. 
Sori elongated, sometimes continuous along the w gi 
= often more or less interrupted.—-Hook. and Grey. Ie. Filic. 
- 104. 
N. Australia. Port Darwin, Schultz, n. 152, 212. 
Queensland. Rockingham Bay, Dallachy. 
Spread over the tropical regions of the New and the Old World. 
green. Sori at the 
end of most of the lobes usually occupying their whole breadth.— 
Hook. Brit, Ferns, t. 41 ; Bedd. Ferns 8. Ind. t. 4. 
Queensland, Wet rocks near Northampton, O'Shanesy. 
Common in the temperate and subtropical regions of the globe especially in the 
northern hemisphere, less abundant within the tropics. ey 
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