22126. Pteris (quadriaurita Retz) glaucovirens. Rather coarse 
terrestrial clumps in wet earth of dense woods; rhizome few inches thick and 
several inches long; stipes erect or ascending, up to a yard in heigth. 
Mt. Pinatubo, April to June, 1927. Polypod. 
22127. Polystichum sp. n.? Small clumps along shaded talus beds of 
a dry cliff; rhizome short, crooked, rebranched; fronds erect and tips re- 
curved, pale green, the pinnae still lighter green beneath; stipes slender, 
not rigid; a much smaller and paler plant than any number 22149 of this same 
species. Mt. Pinatubo, April to June, 1927. Polypod. 
22128. Diplazium williamsii Copl. Along the bottom portion of cliffs 
in humid woods; rhizome suberect, 1 inch thick, several inches long or high, 
very hard; fronds ascending and recurved, much lighter beneath. Mt. Pina- 
tubo, April to June, 1927. Polypod. 
22129. Selaginella. Upon mud flats, the stems recurved toward the 
ground. Mt. Pinatubo, April to June, 1927. Selaginell. 
22130. Cyrtandra quisumbingii Elm. n. sp. A very laxly branched shrub 
upon dry but wooded bluffs; the soft stem covered with smooth yellowish bark; 
leaves flat, descending, much lighter beneath; inflorescence greenish, 
descending or pendant, the corolla white. Mt. Pinatubo, April to June, 1927. 
Gesner. 
22132. Begonia. Scattered patches in moist humus covered ravines; 
stems reclining, pale green, occasionally rebranched; leaves descending, sub- 
lucid above, much paler beneath; flowers white to pink. Mt. Pinatubo, April 
to June, 1927. Begoniac. 
22133. Begonia. Scattering in wet humus covered soil of dense jungles; 
stems pale green, occasionally branched, reclining toward the ground; leaves 
descending, lucid and darker green above; flowers white to pink. Mt. Pina- 
tubo, April to June, 1927. Begoniac. 
22135. Blechnum n. sp. Upon dry but deeply or densely wooded cliffs; 
root stalk a few inches thick, nearly a foot long, descending but the frond 
bearing portion ascendingly curved; fronds paler beneath, in a rosette, 
rather dry; the young erect ones pink colored, the older ones with a bluish 
green or metalic luster; fertile fronds not observed. Mt. Pinatubo, April 
to June, 1927. Polypod. 
22136. Trichomanes bauerianum Endl. Clumps upon sides of a well shaded 
but dry airy side of a bluff at 6000 feet elevation; fronds descending toward 
their tips, soft, dry in texture; rhizome or rather root stock hard and 
rigid, several inches long by an inch thick; stipes stiff and more or less 
brittle. Mt. Pinatubo, April to June, 1927. Fern. 

