22148. Pteris longipinnula Wall.? Terrestrial clumps in damp humus 
covered woods; rhizome trunk-like, 1 to 2 inches thick, several inches long, 
reddish when cut; stipes reddish brown, erect, several, varying in length; 
segments of fronds recurved, slightly paler beneath. Note: This species 
was found growing under the same ecological conditions as Pteris glaucovirens 
Gold. and is very similar except for the basal pair of pinnae being simple, 
not forked. Mt. Pinatubo, April to June, 1927. Polypod. 
22149. Polystichum aristatum (Furst.) sp. nov.?? Small terrestrial 
clumps in damp woods of humus covered ground; stipes erect, green; fronds 
recurved, the segments quite rigid, flat, paler beneath; stipes not hard, 
more brown than green. Mt. Pinatubo, April to June, 1927. Polypod. 
22150. ae ari loheriana (Christ) C. Chr. Rank clumps in very wet 
ground of wooded depressions; root stock a few inches thick, a half foot or 
longer; stipes up to a yard long, dull green to brown near the ground; fronds 
as long, strongly recurved, the segments rather dry, flat, much paler beneath. 
Mt. Pinatubo, April to June, 1927. Polypod. 
22152. Humata ophioglossa Cav. Running along moss covered inclining 
tree trunk in a humid flat; rhizome very flexible, subglaucous green, brown 
bristle covered, slender, rebranched; blades sublucid, smooth, flat, slig) :1y 
paler beneath; the fertile usually toward the young tips of the slender 
rhizomes, rather scarce. Mt. Pinatubo, April to June, 1927. Polypod. 
22153. Polypodium accedens Blm. Running along the under or wettest 
side of moss covered small sters not far distant above the ground of very 
humid wooded cuts; blades descending, slightly paler beneath; rhizome very 
flexible, branched, slender, with dirty brown humus-gathering roots, fili- 
form; stipes short yet slender. Note: This Polypodium species I have 
collected on all of my exploration trips in the LTPES and is very 
abundant in damp shaded places of middle elevations. Mt. Pinatubo, April to 
June, 1927. Polypod. OR 
22155. Dryopteris urophylla (Wall.) C. Chr. Terrestrial clumps in damp 
ravines; root stock t » Short, crooked; stipes few, erect, a yard long, 
green except the brownish base; fronds as long, recurved toward the tips, 
paler beneath, quite thin and dry in texture; rachis yellowish brown; green 
on both sides in the dry state. Mt. Pinatubo, April to June, 1927. Polypod. 
22156. Ficus peninsula Elm. An epiphytic shrub in a very damp steep 
ravine; branches gray and smooth; young twigs and petioles yellowish brown; 
leaves rigid, descending, flat but tips abruptly recurved, shining above, 
lighter beneath; figs recurved from the leaf axils, hard, green, short . 
ellipsoid, apex raised. Mt. Pinatubo, April to June, 1927. Morac. 

