640 OPHIOGLOSSACEAE. [Ophioglossum. 
sar Lat under ground; ae spike rising from the base of the 
e division of the fro 
sete division at or near ogee base of the frond, narrow and 
short 1. O. nudicaule. 
Sterile division at or near the middle of the frond, ‘larger and 
broader . 2. O. vulgatum. 
parte tae new ground; fertile © spike rising ‘from the face of the a 
terile div , 3. O. pendulum. 
1. O, nudicaule, L. fil. — Hook. & gers Synops. Fil. p. 445. — Rhizome 
under ground, slightly tuberous. Frond 3—5’ long, the sterile division 
placed at the base or at least below ik middle, narrow-oblong or ob- 
lanceolate, obtuse, 1/,—11/4‘  2—5“, narrowing at the base but without 
haft, ribless, the veins distinct, the median areoles elongate only in the 
peduncle of 1'/2—3‘, with 20—34 pairs of spore-cases. Fib. vas. ducts 
3 — O. concinnum, Brack. Fil. U. S. E. E. p. 315, pl. 44. 
y plains of the isthmus of Maui! Wailuku, Waiehu, at Lahainaluna near 
a watercourse eo )s and near the Rainbow Falls of Hilo Doehif i! (Dr. W itmore). 
Na olei». Appears only in spring after the first r; The species is credited 
to topical carly ibtacola America, New Caledonia, Salonen: “India and the West Coast 
of Africa 
2. O. vulgatum, ZL. — Hook. & Bak. 1. ec. p. 445. — Rhizome under 
ground. Plant with sometimes several fron pe , the sterile division placed 
at or near the middle, broadly ovate to eliptical., rather acute, rae 
* 3—9", rather thick vith less distinct veins, but areolate as in no. 1, 
without a midrib. Fertile spike 1—1!/2‘. — A broad dark band extends 
—o the middle of one barren frond for some distance, but it is owing 
a deeper color of the a eg not to the presence of a rib. — 
o ellipticum, Brack. 1. ce. p. 314 
q mba Haleakala (6000 ft.) and Hamakua ; Kauai! pastures of Koloa (U. S. 
ave 
— We two forms ich fall T ies, one from Haleakal sto large 
ovate able from the European, with smaller, 
ellip , rather acute fronds about 1‘ long, which corresponds to 0. ellipticum, Hook ev, 
It is very doubtful speci on really distinct from the p' position 
of the ste frond seem upon the depth at which the rhizome 
nd und: the deeper this, the more remote from it the sterile am — "tage es 
oe 
a wide range over the Old World, Australia and temperate N. Ameri 
3. O. pendulum, LZ. — Hook. ¢& Bak. 1. c. p. 446. — Rhizome above 
ground, emitting several fronds, which are fleshy, oblanceolate, ribbon- 
like, mostly faleate, 1—2 ft. long, 1—1'/2‘ broad near the obtuse apex 
and thence gradually narrowing to the base, opaque, without midrib, the 
indistinct veins anastomosing in elongate areoles without free veinlets. 
Fertile spike rising from the anterior face of the frond, 2—4’ long, on 
a peduncle of 1/2--1‘. — Bot. Beech. p. 102. — Brack. I. c. p. 316. — 
Ophioderma pendulum, Endl. 
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