690 CXLVII. FILICES. [ Botrychium. 
» Swartz; Hook. and Bak. Syn. Filie. 447.—Com- 
bined trond 3 to 6 or rarely 8 in. high, with a few adnate scales at the 
base of the common stipes. Barren frond apparently a from 
the middle of the plant, $ to 3 in. long, pinnate, with. Troes to 15 
distant pinnz or segments, obliquely obovate-cuneate, fan-shaped or 
bran 1 o in. broad, of a thick consistence entire or 
crenate, the forked veins radiating trom the base. Fertile panicle 
lanceolate i in outline, $ to 2 in. long, with few short branches, all turn ed 
to one side.—Hook. Brit. Ferns, t. 48; Hook, f. AA Tasm. ii. 154; 
Muell. Fragm. v. 113; Bedd. Ferns Brit. Ind. t. 2 
Victoria. Snowy Plains on the Ovens, Goulbourn, Caboga and Mitta-Mitta 
Rivers F. Mueller. 
Tasmania Grassy plains, ascending to 4000 ft., Gunn, Archer, C. Stuart. 
Widely spread over the eroe and cooler regions of the northern hemisphere, 
also in extratropical South Ameri 
. B. ternatum, Swartz.; Hook. and Bak. Syn. Filic 
stipite of the barren aud fertile fronds free below their division and 
metimes pos the base. Barren lamine 2 to 5 in. long and at least 
as bro MR with ‘pinnate divisio ons.  Pinne _ orate lano 
ternata, Thunb. Fl. Jap. 329, t. 32; Botrychium australe, R. Br. 
Prod. 164; B. virginianum, Hook. f. Fl. Tasm. ii. 154, t. 169, not of 
wartz. 
Queensland. Moreton Bay, F. Mueller ; summit of Mount Archer, near Rock- 
Don: O Shanesy, Thozet. 
S. Wales. Port Jackson to the Blue Mountains, R. Brown, Woolls and 
o 
Victoria. Maroka Valley at an elevation of 4000 ft., F. Mueller 
Tasmania. Moist shady places, Gunn ; Mersey River, A, 
Also in extratropical North America and Asia and in New Zealand. 
3. HELMINTHOSTACHYS, Kaulf. 
Barren frond leaflike, divided. Fertile frond a peduneulate spikelike 
panicle. Spore-cases globular but free, in dense clusters all round the 
rhachis, Mace irregularly in an external slit 
limited to the single Australian Mies which extends over East 
hd e Ns Archipelago mass New Caledoni 
H. zeylanica, Hook. Gen. Filic. t. 47, 2nd. Cent. Ferns, t. 95; 
Gard. Ferns, t. 28 Vip ein thiek, ereeping, with fleshy fibres. 
Fronds united in a stipes often 1 ft. long, the fertile leaflike lamina 
nearly sessile upon it, usually 3-partite, each division deeply pinnatifid. 
