778 CXLYVII. FILICES, 
37. ACROSTICHUM, Linn. 
Rhizome creeping timed to a great length or short E erect, 
Fronds undivided or nnate, variously veined. Sori confluent, 
se ing the under sale of the fertile fronds or pinne, whic are 
usually smaller or narrower than the barren ones. No indusium. 
A large genus, chiefly tropical, spread over both the New and the Old World. 
Of the seven Australian species three are common $ the New and the Old World, 
three limited to the Old World and one only endem 
Fronds simple, lanooolato with free veins, the fertile ones 
nearly os l. A. conforme. 
Fronds pinnate Pinn entire, the barren vith numerous 
zllel 1 free veins, p^ fertile very narrow-linea 
Barren pinnz bro oadly lanceolate, Finda or Gaat at 
the base . 2. A. scandens. 
Barren pinnæ n rrow- lanceolate, tapering to a petiole . 9. A. sorbifolium. 
Fronds pen Voins m culat 
inne membra rtly AU broadly eme the 
fertile usually o on “tiffereat fronds . 4. A. repandum, 
æ eous, entire, the upper ones fertile on the 
nd onds 5, A. aureum. 
Fronds simple, axrow. with reticulate. veins, contracted 
intoa feos fertile a 6. A, spicatum. 
Fronds bipinnate, the fertile segments narrow-linear on 
different fronds from the barr . T. A. pteroides. 
1. A. conforme, Swartz ; Hook. Spec. Filic. v. 198, Syn. Filie. 
401.—Rhizome creeping, scaly. Fronds simple, quia coriaceous, 
from a few in. to above 1 ft. long, 4 to 1 in. broad, acute qur ee 
tapering into a stipes sometimes narrowly winged NE. * the base ; 
veins parallel, simple or forked, not close, and concealed in the Vx. 
of the frond. Fertile fronds usually smaller and more obtuse.— 
F. Muell. Fragm. v. 138; Elaphoglossum conforme, Schott; Bail. 
Queensl. Ferns, 93 
Queensland. Rockingham Bay, Dallachy. 
Widely spread over the tropical and southern extratropical regions of the New 
and the Old World. 
2. A. scandens, J. Sm.; Hook. Spec. Filie. v. 249, Syn. Filic. 
412.--Rhizome woody, sealeless, creeping in swamps or ‘climbing on 
trees. Fronds 3 ft. long, simply pinnate. Pinnæ of the barren 
fronds broadly one acuminate, rounded or cuneate at the base 
and shortly petiolate, 3 to 8 in. long, 2 to 14 in. broad, entire or slightly 
entate, coriaceous, smooth and shining. Veins very numerous fine 
linear, sometimes almost terete, sometimes flat and 2 lines broad.— 
5 Mue am vi. 124; Stenochlena scandens, J. Sm. ; Bail. Queensl. 
og ERN 
edge Schultz, n. 3, 215. 
a iae York, W. Hill; Rockingham Bay, W. Hill, Dallachy. 
Also i in Tropical Asia and the Pacific Islands, 
