22276. Crepis japonica (Linn.). Annuals in wet sandy earth of the 
river bottom; stems erect, single or several from the base; leaves radically 
spreading, paler beneath, thin; flowers bright yellow. Mt. Pinatubo, April 
to June, 1927. Comp. 
22277. Deutzia pulchra Vid. Erect shrubs or small crooked trees in 
thickets along the river; wood hard, the rigid branches yellowish brown 
bark covered; leaves more or less folded and with strongly recurved tips, 
grayish green beneath; calyx ashy gray, the segments yellowish so; petals 
and filaments white, the anthers yellow. Mt. Pinatubo, April to June, 1927. 
. Saxifrag. 
22278. Lycopodium cernuum Linn. Rank masses among thickets upon wet 
ledges along streams; stems occasionally branched, green as are the ui- 
varicate branches, dry and pale green, the descending spore bearing t'ps 
pale green to yellowish, turning finally brown. Mt. Pinatubo, April to June, 
1927. Lycopod. 
22279. reporters setigera (Blm.) 0.K. Upon ledges of the river cut; 
root stock thick, rigid, short, covered with nearly black scale-like bristles; 
Stipes erect, 2 feet long, smooth except the scaly base, pale yellowish 
green; frond much recurved, yellowish green especially beneath. Mt. Pina- 
tubo, April to June, 1927. Polypod. 
22280. opteris ligulata (Pr.) O.K. Few stemmed terrestrial clusters 
in wet ground of a shaded land slide of the river gorge; root stock short, - 
hard, black; stipes ascending, shining, pale green except the black base, 
up to a yard in length; fronds as long, descending or much recurved, dry, 
of a dull dark green especially above, the rachis yellowish white. Mt. 
Pinatubo, April to June, 1927. Polypod. 
22281. Bryopteris luzonica Christ. Dense clusters in great masses of 
a deeply shaded land slide near the river cut; root stock suberect, 1-1/2 
inch thick, 6 long; stipes up to a yard long, smooth, green except the black 
base; fronds as long or longer, much recurved, light green yet paler beneath, 
curing green; rachis straw brown. Mt. Pinatubo, April to June, 1927. Polypod. 
Note: In my distribution of the fern collection into sets a mixture 
occurred. The stray specimen has its pinnules dissected nearly to the 
rachilla and may be Dryopteris ligulata (Pr.). 
22282. Pteris vittata Linn. Terrestrial clumps in sand-gravelly 
ground of the river bottom; rhizome short, rigid, covered by yellowish black 
hairs; the dull brown stipes ascending, 1 to 2 feet long; fronds several, 
longer than the stipes, gracefully recurved, the basal segments gracually 
reduced; pinnae dark or dull green. Mt. Pinatubo, April to June, 1927. 
Polypod. 

