
66 F 
22283. Dryopteris hispidula (Dcne.)? Terrestrial clumps in wet sandy 
soil among stones along the river; root stock 2 inches thick, suberect, a 
half foot long; stipes many, yellowish green or brown, ascending; the frond 
somewhat recurved, the segments pale or yellowish green beneath. Note: A 
nice appearing fern with its numerous fronds gracefully recurved and 
arranged in a rosette-like fashion. Mt. Pinatubo, April to June, 1927. Polypod. 
22284. Adiantum diaphanum Blm. Tuftlets of various sizes, upon seepage 
ledges along a narrow river cut; fronds spreading in a rosette fashion, the 
longer ones so much recurved as to contact with the ground and a new plant 
developes, the stipe and rachis shining black; segments flat, thin, pale 
green on both sides. Number 22284a of this same species is a more robust 
form. Mt. Pinatubo, April to June, 1927. Polypod. 
22285. Selaginella. Little bunches scattered along a seepage ledge 
of the river cut; stems pale yellowish to brown, the fronds very pale green 
or yellowish tinged. Mt. Pinatubo, April to June, 1927. Selaginell. 
22286. Hymenolepis mucronata Fée. Tufts upon large moss and scale-moss 
covered boulders of the river bed; rhizome short, hard; fronds erect or 
ascending, velvety dark green above, much lighter beneath, very rigid at 
the base; the fertile tips usually recurved. Mt. Pinatubo, April to June, 
1927. Polypod.  ' ; | | 
22287. [No name.] Forming solid dark green masses upon a perpendicular 
seepage ledge of the river cut. Mt. Pinatubo, April to June, 1927. Crypt. 
22288. [No name.] Masses upon humid stones or about the bases of small 
stems among thickets near the river; stems and lower foliage dull brown, the 
upper foliage yellow and tips green. Mt. Pinatubo, April to June, 1927. 
rypt. i | 
22289. [No name.] Loose masses upon stones and about the ground portion 
of small stems among thickets; upper foliage rather glossy dark green. Mt. 
Pinatubo, April to June, 1927. Crypt. 
22290. [No name.] Upon the leaves of Hypericum species [lackeyi? 
21989?] (see specimen number). Mt. Pinatubo, April to June, 1927. Crypt. 

22291. [No name.] Masses upon a fairly decayed piece of hard wood, 
along thickets of the river; stalks erect, grayish green, the apical portion 
bright red. Mt. Pinatubo, April to June, 1927. Crypt. 

