DxcEMBER 23, 1910] EuPHORBIACEAE COLLECTED ON SIBUYAN ISLAND 997 
PHYLLANTHUS Linn. 
Phyllanthus buxifolius (Blm.) Muell. Arg. in Linnaea 
XXXII; 50, 1863. 
Field-note: —Lax shrub; stem 1 to 8 m. high, 3 to 5 
cm. thick, terete, occasionally branched from the base; branch- 
lets crooked, relatively short, twigs green; wood slightly fetid 
and bitter, sappy white; leaves ascending, rather numerous 
along the branchlets; leaflets flat, also ascending, coriaceous, 
shining on both sides, much paler green beneath; flowers 
pendulous, greenish yellow; fruits also pendulous, greenish, flat- 
tened, 1 cm. across, 6-celled, upon a conspicuous yellow 
calyx disk, each cell with 2 smooth plano-convex seeds. Very 
common in sand gravelly soil mixed with earth along all 
wooded water courses. Quite ornamental! 
Represented by number 12082, Elmer, Magallanes (Mt. 
Giting-giting), Sibuyan, March, 1910. 
Phyllanthus rupicolus Elm. n. sp. 
Erect or suberect suffrutescent perennial; roots ample, 
slender, branched, flexible; stems solitary or several from 
the same root cluster, varying from 1 dm. to 1 m. in height, 
the central ones erect, the outer ones usually curved, terete, 
less than 5 mm. thick, unbranched; wood soft, greenish 
brown, with a relatively large pith, covered with smooth 
nearly shining brown bark. Leaves crowded at the top, the 
upper ones ascending, the lower horizontally spreading, 
varying from a few to 10 cm. in length; rachis subterete, 
light green, usually curved, the lower side toward the base 
provided with membranous setaceous brown bracts, the base 
copiously subtended by similar though larger bracts, 5 mm. 
long; leaflets very numerous and closely set, drying greenish, flat, 
ascending, glabrous, submembranous, subglaucous green beneath, 
inequilateral, 6 mm. long, 2 mm. wide below the middle, lan- 
ceolate oblong, glabrous, short but distinctly petioled, the lower 
side narrower and straighter, the entire margins usually 
inclined to curve upon the upper side, apex acute and oc- 
casionally with slender points, base inequilaterally obtuse or 
$ 
