42 CONTRIBUTIONS TO QUEENSLAND FLORA. 
POLYPODIUM, Linn. 
P. Danesianum, Domin, Prodr. p. 51 (under Dryopteris). 
Stipes tall, slender, subsulcate, perfectly glabrous and smooth, 
14 in. high. Frond triphyllous, pinne simple, somew hat 
rigidly chartaceous, glabrous on both sides, above rather shining 
and of a dark green, paler beneath ; lateral pinne broadly 
lanceolate oblong, base rotundate, apex obtuse, shortly petio- 
late, about 5 in. long and about 1} in. broad, crenate-dentate, 
ieeth subacute ; terminal pinne rather long, petiolate (petiole 
about 1 in. long), 6 in. long and about 1} in. broad, base cuneate. 
Cesta glabrous, veins rather prominent, pinnate, venule 5-6 
on either side of the veins, subarcuate, lowest venule free, 
the remainder anastomosing ; sori small, numerous. 
Hab.: Picnic Creek, Dr. K. Domin. 
Very near P. urophyllum, Wall 
. wurunuran, Domin, Prodr. p. 45 (under Dryopteris). 
‘This plant seems scarcely to differ enough from /. aspidioides, 
Bail., to rank as more than a form of that species. 
P. accedens, Blume; Domin, Prodr. p. 174. Rhizome 
threadlike, very wide-creeping, scarcely scaly. Stipes very 
short. Frond dimorphous, the sterile ones oblong, obtuse, the 
fertile ones longer and narrower, 2-4 in. long, }-4 in. broad, the 
soriferous portion contracted ; texture coriaceous ; both sides 
naked ; veins hidden, no distinct main veins, areole irregular, 
with free veinlets. Sori in single rows close to the midrib.— 
Hook.-Bak., Syn. Fil. 353. 
-Hab.: Lake Eacham, K. Domin. A Malaysian and Polynesian 
species. 
P. simplicissimum, F.v.M., var wurunuran, Domin, 
Prodr. p. 175. This I have always included under the normal 
form. 
P, nigrescens, Blume, var. subsimplex, Domin, Prodr. 
p. 176. Fronds shortly stipitate (stipites 1-3} in. long, slender h 
usually all simple, lanceolate, leng-acuminate, about aEs 
long ; fertile ones about 1 in. broad, gradually narrowed into 4 
stipes ; sometimes a few trifid fronds occur, 
Hab. : Bellenden-Ker, K. Domin. 
