Phegopteris.] FILICES. 565 
seales. Frond large, quadripinnate, 3—4 ft. long, with often 20—23 pairs 
of stipitate pinnae, the lowest 1!/2—2 ft. in length. Rhachis and rhacheoles 
paleaceous throughout with scattering, stiff and blackish, ovate-lanceolate 
scales of about 3 in length. Ultimate segments 1/2—1‘ ith 
mostly simple veinlets, their margins wavy-crenulate and toothless, the 
mature so v the entire surface as. fasci 1 
rl covering 
semicircle. Occasionally even one or both lowest pinnae are found cata- 
dromous at the base. 
Maui! and Hawaii! from 4000 ft. upward; Kauai! («arborescent, the stem and 
n. 
The resemblance of. var. = of Aspidium glabrum to » of the present tbadgopeds is 
@ 
to differ « nly in the 1 want of an indusium. The oo differences between typical re- 
a 
Cae, glabrum. = caicorr rr plant with a short rhizome, the stipes smooth and contain: 
ing only 4—6 fib. s. ducts; seales of the rhachis glandular. Sori dorsal on a rais 
ent. Pinnae long-stipitate, the ‘first lowest pinnule much 
c 
e largest and deflected outward. 
h unidentata. Plant larger, with a stout erect caudex, the stipes often ~_— 
and ay throughout, holding 6—13 fib. vas. ducts. Seales of — glandless 
subapical on a flat receptacle; the veins not excu Pinnae shortly stipitate, goon 
first lowest pinnule scarcely longer than its neighbor and not Ghee ted. 
6. P. Sandwicensis, Mann, Enum. no. 612. — (Polypodium Sandwicense), 
Hook. d& Arn. 1. ¢. p. 104. — Caudex 2—6 ft. high, 3—6‘ thick, erect or pros- 
trate. Stip. 11/2—41Je ft. long, stout, with a ventral and a dorsal groove, stra- 
mineous or mahogany-brown, polished, furfuraceous with soft and pale russet- 
colored soon deciduous scales, densely so at the base, less in the upper portion, 
which is often naked. Rhachides furfuraceous or naked and glossy, quite pale, 
even whitish. Frond herbaceous, bright green, glabrous, subcyatheoid, ovate- 
oblong, 2'/2—8 ft. in length, bi-, tripinnate. Stipitate pinnae 12—17 o 
a side, horizontal, the lowest ohlowe-lanceolate, not much iad. 
15—28' long, on stalks of 1/s—1'/2‘. Secondary pinnae almost perpendi- 
cular, stipitate, with a broad truncate even-sided base, lanceolate, 3—8* 
X 1-3‘, deeply pinnatifid or again pinnate with tertiary pinnules which 
are 3— gH broad, sessile or stipitate with a cuneate or truncate base, 0 
long-obtuse or lanceolate subacute, crenate or lobed, the lobes deltoid or 
oblong, subentire, obtuse or truncate, often with a tooth in the sinus. 
Veins semitransparent, not excurrent, with a clavate apex. Sori subapical, 
ia with 15—18 joints, not setose. Spores 
Fil. IV, 267. — Synops. Fil. p. 312. — Brack. 1. ¢. p. 17. 
A tall fern, — in ak Soren of mae © ands, but much less frequent than the ye 
Ceding one. Occ so the Society re Viti islands and on Piteairn’s Island. 
The relative eideon. of the sek varies with the degree of division in the frond. Subentire 
