Asplenium.] FILICES. 611 
glabrate with age; the rhachis with few enceitn scalelets or fibrils. 
Frond large, open, light green, membranous to chartaceous, deltoid o 
ovate, 2—4 ft. long, bipinnate, with a Sei apex, subphegoteoi 
Pinnae alternate, 9—11 pugaae ones on a side, the lower 2—3‘ apart, 
0—18‘ long, on stalks o a Hee , anadromous; the middle and upper 
ones homodromous or even catadromous at the base, but gal ana- 
dromous, oblong- eta broadest below the middle in 
distances of 1—11/2‘, the owe on stalks of 1—2‘, oblong- 5 ete 
Lila s* o< Sls scaks, with even-sided truncate base, cut deeply into 
oblong, obtuse or subtruncate lobes or segments S enk are 1!/2—21/2" 
broad, subentire or pstia Be, dentate. Veins pinnate, 4—-7 pairs to a 
segment. Sori copious, one on every veinlet at angles of 20—30°, straight, 
1—1'/2“ long, mostly ee from costule to edge, but often falling 
short of the latter; the first anterior sorus mostly diplazoid or Beer 
Invol. thin, Spores ma®eined. — Diplazium <Arnottii, Brack. . di- 
plazioides and A. aubsauum, E Hook. & Arn. i in Bot. Beech. — ~ A. cua Gide 
f Ho 
Mann's Enumeration. 
A common fern in the woods . a lower regions, the «Hoio» of the natives, generally 
Scola t in Y patesie fg some exte 
B var. — Frond paaaetes larger. Largest pinnae 16—24‘; largest 
eens 3—6‘ long; segments 3—4“ broad. Sori mostly extending from 
to edge, 3’ long, but in dais De Sunn Kaala only half the length. 
Molokai! Mopulehu; Maui! Oloalu; Oahu! Kaala. 
~ var. — Frond chartaceous. Lowest pinnules 5‘ >< 1'/s‘, cut to near 
the rhachis into narrow subfaleate segments 2“ across, which are separated 
by broad sinuses. Veinlets once forking; the sori on the anterior fork- 
branches, 1—1"/2, not touching either rib or edge. 
Molokai! Kalae. 
6 var. — Tripinnate. Frond thin chartaceous. Lowest pinnae on stalks of 
2'/2‘. Lower pinnules of the first pinnae longer than the 8 wi ones, 5—6‘ 
long, SSS: broad at te middle. Tertiary pinnae 1'/2’ X 1/2‘, subsessile 
with an evenly truncate base, cut to the middle and more into oblong 
iets poe Pome -deiiialaes segments 11/3“ broad, each segment 
with 4 or 5 pairs of pinnate simple veins. Sori short, about 1’, conti- 
guous to the rib of the pinnule and sometimes from 4—6 on the sepiocats 
also. — A. polyanthes, Sol.; Sew . Flora, 1875, p. 435. 
Oahu! eastern flank of Kaala, near Lihue; okai! K 
The anadromous and incesaticitate a OS as Bepot the teh ‘color of the frond, assign 
this fern to the present species, although in shortness of s with the next. — 
untries. A. 
it much, has ect caudex and the veins are at a more open e. Specimens of 
that Px heen Tahiti and Ceylon in my herbarium differ besides in agra = lower 
