american samoa - University of Hawaii at Manoa

and a sorus enclosed within a tubular indusium.
Uncommon in lowland to montane forest reported
from 150 to 900 m elevation. Indigenous, ranging
from New Caledonia to Polynesia. Yuncker 9323;
Whistler 8710!, 8743!, 9006!.
*'llriclwmuncs cndlichcrianum Prcsl
Small epiphytic fern with a slender creeping
rhizome, winged rachis, irregularly bipinnatifid
fronds 1.5-6 cm long, 2-6 pairs of narrowly oblong
to lanceolate pinnae, margins with 2 rows of
specialized cells, and a sorus enclosed within a
tubular indusium. Apparently rare in montane forest,
reported from 500 to 1600 m elevation. Indigenous,
ranging from Norfolk Island and New Zealand to
Tahiti. Reinecke 135.
Trichomanes humile Forst. f.
Small epiphytic fern with a slender, long-creeping
rhizome, winged rachis, bipinnatifid fronds 2-5 cm
long, lobed margins with 2 rows of elongate cells,
and a sorus enclosed within a tubular indusium.
Common in littoral to cloud forest, reported from
near sea level to 1300 m elevation. Indigenous,
ranging from Malaysia to Tahiti. Reinecke s.n.;
Garber 940; Christophersen 1146!; Yuncker 9333;
Long 3 1 19; Whistler 8529!, 8944!, 9095!, 9336!,
9350!.
Trichomanes intermedium van den Bosch
Medium-sized fer~ with an erect rhizome, stipe
having caducous wings, fronds tufted, lamina
tripinnate to quadripinnatifid, 8-30 cm long and
bearing some appressed hairs, ultimate segments
narrow, and the sorus enclosed within a tubular
indusium. Occasional in lowland to montane forest,
reported from near sea level to 670 m elevation.
Indigenous, ranging from New Guinea to Samoa.
Setchell 218; Garber 843, 885; Wilder s.n.; Christophersen
18 15 !; Mitchell 5 18; Yuncker 9406;
Whistler 8638!.
*Trichomanes maximum B1.
Medium-sized fern with a short-creeping rhizome,
stipes having caducous wings, lamina quadripinnate,
ultimate segments less than 0.5 mm wide, and the
sorus enclosed within a tubular indusium. Uncom-
mon in lowland to cloud forest, reported from 300 to
1200 m elevation. Indigenous, ranging from
Malaysia to Tahiti. Setchell218; Garber 733?.
Trichomanes saxifragoides Presl
Small fern with a wiry, creeping rhizome, flabeli-
form, reniform fronds mostly less than 1.5 cm long
and wide, and a sorus enclosed within a tubular
indusium. Locally common in lowland to montane
forest, reported from near sea level to 1000 m
elevation. Indigenous, ranging from Africa and
Japan to Hawai'i. Reinecke 88b; Whistler 8648!.
*Trichomanes taeniatum Copeland
Small epiphytic fern with a creeping rhizome, fronds
digitate or dichotomous, margins ciliate but without
a specialized margin or false vein, and sori enclosed
within a tubular indusium. Rare in montane scrub
on and probably montane forest elsewhere in
Samoa, reported from 450 m elevation. Indigenous,
also found in the Society Islands. Sledge 1824.
Trichomanes tahitense Nadeaud
Small epiphytic, prostrate fern with a creeping rhi-
zome, sessile, peltate fronds adhering to the tree
surface, veins radiating from the point of attach-
ment, and 1-3 sori enclosed within a tubular indu-
sium. Occasional in lowland to montane forest,
reported from ca. 20 to 500 m elevation. Indige-
nous, ranging from Java to eastern Polynesia.
Whistler 3646, 8490, 8591!, 9335!.
HYPOLEPIDACEAE
Histiopteris incisa (Thunb.) J. Sm.
Large, often scrambling terrestrial fern with a long-
creeping rhizome, shiny black stipes, tripinnatifid
fronds, pinnules cut into triangular lobes with the
lowest ones like stipules, and sori continuous along
the margins except at the tips. Common in montane
to cloud forest and montane scrub, reported from
near sea level to 1700 m elevation. Indigenous,
widely distributed in the Southern Hemisphere
tropics and temperate zone. Setchell 394; Whistler
9O37!.
*Hypolepis tenuifolia (Forst. f.) Bemhardi
Large terrestrial fern with a densely hairy, long-
creeping rhizome, fronds broadly deltoid or ovate,
quadripinnate, and sori covered by a pseudoindu-
sium formed by the reflexed margin. Uncommon in
sunny places in lowland to cloud forest, reported
from 50 to 1700 m elevation. Indigenous, ranging