21966. Gelonium pinatubense Elm. n. sp. Male and fruits. A2 to 3 
yards high undershrub in woode epressions; wood dingy white, moderately 
hard; branches spreading, rigid; leaves slightly paler beneath; flowers 
solitary or in small clusters in the leaf axils, yellowish green, ascending; 
fruits light purple, ascending, 1 inch long, obscurely trigomous, the 
calyx green. (See 22032 [Gelonium pinatubense].) Mt. Pinatubo, April to 
June, 1927. Euphorb. 
21967. Lasianthus morus Elm. Slender and rigid undershrubs in dry 
woods of depressions; wood rather tough or hard, the smooth bark brownish ; 
branches divaricate, toward the top, unbranched; leaves a trifle darker 
green above; buds whitish, the flower pure white; fruit finally turning blue. 
Mt. Pinatubo, April to June, 1927. Rubiac. 
21968. Casearia crenata Merr. Tree-like shrubs in a dry wooded ridge; 
wood moderately hard, dingy white, the smooth bark ‚yellowish brown; branches 
few toward the top, the branchlets numerous and glaucous green; flowers 
ascending, greenish; fruits also ascending, dark green but turning luteus, 
1 inch long, obscurely triganous, dehiscing from apex down, the fleshy seeds 
membranes wine red, "ruber." Mt. Pinatubo, April to June, 1927. Flacourt. 
21969. Acalypha angatensis Blco. Several stemmed shrubs among large 
Stones in a creek bottom; wood pithy, bark brown and lenticelled ; leaves 
paler beneath, the tips twisted; female spike erect, terminal green; male 
pendant, slender, axillary, dangly, white. Mt. Pinatubo, April to June, 
1927. Euphorb. 
21971. Dec=spermum fruticosum Forst. Burly shrubs among shrubberies 
on boulders; wood moderately hard, dirty white, the brown bark scaling in 
thin plates; branches crooked; leaves lucid upon the upper curved side, much 
paler beneath; petals white, filaments pink to purple, anthers pale yellow. 
Mt. Pinatubo, April to June, 1927. Myrtac. 
21972. Englehardtia [Engelhardtia] zambalensis Elm. n. sp. Small 
trees in densely wooded deep ravines; wood not hard, white; bark brown, more 
or less checked; leaves much lighter green beneath, nearly flat, sublucid 
above; pendant spikes very li;ht or yellowish green, soft in texture. Mt. 
Pinatubo, April to June, 1927. Jugland. 
21973. Elaeagnus philippensis Parr. Rambling over dense jungles along 
a stream bed; stem tough, ih smooth brown bark, numerously rebranched 
leaves shallowly folded, much greener agove; flowers pale yellowish brown, 
the pendant fruits greenish. Mt. Pinatubo, April to June, 1927. Elaeagnac. 

