22165. Vittaria elongata Sw. Small clumps upon moss covered tree 
trunks in dense woods; fronds recurved, paler beneath, quite rigid. Mt. 
Pinatubo, April to June, 1927. Polypod. 
22166. Microlepia strigosa Pr. In wet earth of humid ravines; 
rhizome short, with Fe stems or the blackish brown stipes suberect and 
about 2 feet long; frond portion somewhat recurved, as long, dark green but 
especially so on the upper flat side. Mt. Pinatubo, April to June, 1927. 
Polypod. 
22167. Pteris tripartita Sw. (cf. Mineana Hook.). A rank terrestrial 
Pteris or "Brake fern," in very humid gulches; stems or stipes as thick as 
a man's wrist, green, erect, 2 yards long or longer, bearing at the top a 
scirpoidly [scorpiodly?] branched frond; pinnae much darker green above, 
limp and heavy. Note: This same species is occasionally found growing in the 
Manila gardens in a much reduced size. Mt. Pinatubo, April to June, 1927. 
Polypod. . 
22168. Lysimachia capillipes Hems. Biennial herbs in loose wet humus 
covered ground in dense woods of deep ravines; stems green, angular or 
rigid, the soft leaves velvety dark green above; the recurved flower luteus. 
Mt. Pinatubo, April to June, 1927. Primulac. 
22169. Lindsaya merrillii Copel. Forming masses and runni ag along wet 
moss covered root buttresses of trees in very wet or humid places; rhizomes 
branched, shining brown, easily broken; fronds gracefully recurved, pale - 
green, the slender rachis shining and straw-colored. An elegant fern! Mt. 
Pinatubo, April to June, 1927. Polypod. 
22171. [No name.] On host number 22170: Pinanga [no entry for this 
collection]. Mt. Pinatubo, April to June, 1927. Crypt. 
22172. Coleus maeranthus Merr. Laxly branched undershrub in well 
shaded woods along the horse trail; stem and larger branches yellowish brown; 
excrescent; twigs green and ascending; leaves flat, horizontal; spikes erect, 
pale green except the pale blue flowers. Mt. Pinatubo, April to June, 1927. 
Lab. - 
22173. Ficus perfulva Elm. Epiphytic upon the upper or outer limbs 
of trees of steep woo ravines; leaves rigid, tips recurved, much lighter 
green beneath, the young twig portion and the petioles deep yellowish brown; 
figs dull or subglaucous green. Mt. Pinatubo, April to June, 1927. Morac. 
22174. Commelina luzonensis Elm. n. sp. Rambling among thickets of 
open places in ravines; stems long, green, soft, repeatedly branched; the 
flat leaves horizontal, paler beneath; flowers light blue, their sheath pale 
green. Mt. Pinatubo, April to June, 1927. Commelinac. 

