13909. Pteris opaca Js Sm. "Paco*® in Manobo,. 
Small tufts of diverse sizes in loose wet earth upon 
landslides along the Dalahion river at 1000 feet; stipes 
blackish brown, erect, bendable, at least not rigid, 
the brown rachis extends even into the midrib; fronds 
usually Shorter than the Stipes; segments thiekly 
Coriaceous, recurved, much paler green beneath, only 
the 6 feet high old fronds fertile, the odges well curved 
over the submarginal rows; roots profuse, fibrous, castaneous; 
rhizome rigid, Short, occasionally branched, nearly black, 
1/2 inch thick;  <dabadbaran, September, 1912. 
13910. Nauclea ategii Lim. nm. Sp» Middle Sized 
tree in stony Soil among bowlders along the wooded banks 
of the Dalahion river at 1000 feet; twigs brown, relatively 
jax, descending, the tips ascendingly curved; leaves 
descending, Subcoriaceous, nearly flat, Slightly peler 
beneath, recurved toward apex, the midvein yellow Sh; 
fruits upon Straight ascending @talks, angular, 1/2 to 3/4 
inch thick, the brown Sstaiks ascending, usually 1 to 3 in 
a cluster; "Mahamboiod" in Manobo, Gabadbaran, September, 
1912. 
13911. Polyporus versiformis Berk. "“Panag-tanag™ 
in Manobo. Upon nearly decayed timbers lying partly 
buried in the wet humus covered soil of dense forests at 
5000 feet near the Dalahion river; stem erect or ascendingly 
curved, terete, Spongy; brownish; cap Shallowly cup-shaped, 
Spongy, the margins coarsely crenate and somewhat recurved, 
Whitisn but Soon turning brown, Cabadbaran, September, 1912. 
13912. . PolyporvS biokoensis 2. Henn,  “‘Batang-batang" 
ia. Manobo, Upon. the sides of large tree trunks lying in 
wet foresied,ciats at 500 feet along the palahion river; 
plates diverse in.®ise, light cremeous on both sides, 
bendable, the upped side frequently irregularly lobed and 
cons pieuously marked, the Short thick Stalks quite rigid; 
Gabadbaran, September, 1912. 
15914. PorreStia philippinensis Merr. Solitary 
erect herbs in rich damp humus covered earth of forested 
flats near old clearings at 500 feet; stem 1 inch thiek, 
terete, deep green, Subereeping at base and taking root - 
from the lower joints, oocasionally branched; the dirty 
brown hairs arranged in vertical rows along the subpersistent 
Sheaths only; leaves larger and more numerous at top, 
horizontally Spreading, Shaliewly curved and edges wrinkled, 
Subecoriaceous, light green beneath; capsules in dense 
Glusters, arising from the base of the leaf Sheath and 
Subtended by greenish bracts; carpels lividus, seeds 
Miniatus; “Maletego" in Mancho. Cabadbaran, September, 
1912. 
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