22210. Elaphoglossum petiolatum (Sw.). Tufts upon wet humus covered 
Stones in deeply stad thickets; rhizome bendable, short rebranched; stipes 
ascending, dull green; fronds much recurved, sublucid and deeper green 
above; the young sporophylle erect, ashy green on the upper side, the 
nether surface completely covered with nearly coal black spores. Mt. Pina- 
tubo, April to June, 1927. Polypod. 
22211. Callicarpa blancoi Rolfe. Shrub among thickets; stem a few 
inches thick, soft, covered with yellowing brown bark, laxly rebranched; 
leaves with recurved tips, much darker green above; flowers pale blue even 
the filaments of the yellow anthers. Mt. Pinatubo, April to June, 1927. 
Verben. o 
22212. Maoutia setosa Wedd. Erect shrub along stony river bed; bark 
dull brown, easily stripping and strong; lax branches ascending; leaves 
horizontal, chalky white beneath; inflorescence reddish brown where exposed, 
soft. Mt. Pinatubo, April to June, 1927. Urtic. 
22213. Nephrolepis hirsutula Pr. Wiry clumps in or along the river 
bed; rhizome very hart, erect, the wiry black roots from above the ground 
surface; the hard and rigid stipes erect, remaining when old; the frond also 
erect or somewhat recurved toward the spore bearing tip. Mt. Pinatubo,- 
April to June, 1927. Polypod. 
22214. Nephrolepis cordifolia Pr. Along dry ground of ledges or upon 
its edge; tuftlets with wiry long and slender roots, the rhizome very short 
or none, the roots. with characteristic yellowish brown water bulbets 1/2 
inch thick and nearly globose; fronds ascending or more spreading; its 
rachis usually shining brown and the stipe base rigid. Mt. Pinatubo, April 
te June, 1927. Polypod. 
22215. [No name.] Dense masses in sandy soil among river bed stones; 
stems erect, dull green foliage. Mt. Pinatubo, April to June, 1927. 
Crypt. 
22216. Rubia philippinensis Elm. n. sp. Trailing among dense thickets | 
of moist ledges along ths river; stems long, green, very fragile; branches 
similar, spreading and forming a tangled mass; flowers erect green or 
yellowish tinged; the berry nearly black. Mt. Pinatubo, April to June, 
1927. Rubiac. l 
22217. Asplenium laserpitiifolium Lam. Terrestrial tufts in dry soil 
of wooded ledges along the river; rhizome short, crooked, not rigid nor 
hard; stipes erect or ascending, shining, blackish brown; fronds much re- 
curved, especially its slenderly pointed segments. Mt. Pinatubo, April to 
June, 1927. Polypod. 

