148 COPELANl). 
MARATTIACEJ^:. 
ANGIOPTERIS Hoffm. 
Angiopteris pruinosa Kgt\ {determined after Christ). 
Common in forested bench-lands along the river at 100 to 200 ni. alt. {No. 
0043), Fronds 5 m, long; petiole 1.3 m. long, as thick as one's wrist j pinnae 
about 13 on each side. 
Negros [Whitford 1652) det. Christ. Panay, Elmer, Luzon, [Mangubat 1292). 
Angiopteris angustifolla Presl. 
In forests at 700 m. alt. (No. 6042) ; fronds about 8 ft. long, pinnae about 8 on 
each side, costa broad, slightly scaly. 
Java. 
OPIIIOGLOSSACEJ]]. 
OPHIOGLOSSUM Linn. 
Ophioglossum pendulum Linn. 
Epiphytic along the river at 100 m. alt. (No. 6041), a very large form, the 
lamina reaching a width of 6 cm. On mossy trunks at 1,800 m. alt. (No. 6040), 
a comparatively small form. The fertile segment is almost invariably forked in 
Philippine specimens. 
Throughout the Archipelago. 
Mauritius to Hawaii. 
Ophioglossum intermedium Hook. 
Terrestrial and on very rotten logs in forests at 900 m. alt. (No. 6039), 
variable in form, the sterile segment sometimes widened and bluntly lobed at 
the apex, always exceeded by the fertile segment. 
Borneo, Java. 
Ophioglossum sp. near 0. pcdunctdosum Desv. 
On very steep banks in shaded ravines at 900 m. alt. (No. 0038). This plant 
has a very fine costa and a narrower base and more lax venation than typical 
O. pcdunculosum . 
PSIL0TA0E.5:. 
TMESIPTERIS Bernh. 
Tmesipteris tannensis Bernh. 
On tree-ferns at 1,800 m. alt. (No. 0024). 
Found also on tree-fern trunks on Mount Data, Luzon, and on Mount Apo, 
Mindanao, at 1,800 to 2,100 m. alt. 
New Caledonia, Samoa, New Zealand. 
PSILOTUM Sw. 
Psilotum complanatum Sw. 
Epiphytic in humid forests at 150 m. alt. (No. 6021). Previously collected on 
the Baco River, near the foot of Mount Halcon by Merrill (No. 4081 ) . 
Java, New Guinea. 
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