12934. Nephelium robustum Redlk. n. sp. Crooked 
medium sized trees in rich humus covered soil of dense forests 
at 750 feet slong the trail to Napsan; stem 1 foot thick, 
terete, buttressed at the base, 35 feet high, branched at the 
top; wood light yet moderstely hard, the outer one hslf 
white, then e testeceous middle portion, the heartwood nearly 
olivaceous, withont odor and taste; bark grayish mottled, 
smooth, letericius except the epidermis; the main branches 
widely spreading, only speringly rebranehed, crooked, the 
ultimate ones suberect and 1 inch thick; leaves ascending or 
horizontally spreeding, a meter long, the rachis grayish 
above, umber beneath, the petiole thickened et the base; 
leaflets descending, with 9 pairs, glaucous beneath, eharts- 
eeous, usually folded upon the upper side; infrutescence 
terminal, ereet, a foot long, numerously and peniculately 
branched from the bese, the older or basal branchlets fulvous, 
the ultimate ones” green; young frnits 1/2 inch thick, globose, - 
soft, green, apperently l-ovuled. Puerto Princesa, March, 
1911. 
12936. Hydnoearpus unonifolia Elm. n. sp. Slender 
shrab-like tree in good moist soil of dense forests at 750 
feet on the trail to Napsen; stem 4 inches thick, terete, 
rather crooked, 15 feet high, branched from near the middle; . 
wood quite soft, odorless and tasteless, the thin sspwood 
white, otherwise yellow or yellowish; bark relatively thick, 
smooth, greenish gray blotched on the surface, avellaneus 
otherwise except the whitish inner side; branches slender, 
Givericate, freely rebranched, the lax ultimate ones horizon- 
tal or drooping, leaves also drooping, thinly chartaceous, 
flat or only the tips slightly reeurved; fruits in small 
clusters along the uppermost branchlets, one or two maturing 
from the dist@1 ends of the 1/2 inch long brown stalks, nearly 
globose, olivaceously velvety in app’ srancepr to touch, the 
flattened 6 seeds plsced transWersely. Puerto Princesa, 
Burin, I¥eis” . 
12937. Spermacoce méyenians Walp. Erect biennial 
herb in solid red clay at 750 feet in forested benches slong 
the treil to Nepsan;stem 1 foot to 1 meter high, branched 
from near the bese, green and engnler; branches ascending, 
similer to the stem and the lower ones nearly as long; leaves 
flat, thinly coriaceous, much paler green beneath; inflores- 
cence dense, axillary pale green. Puerto Princesa, April, 
12938. Ceatenopsis evansii Elm. n. gp. Tree in red 
“GOmpact soil of s densely forested incline at 750 on the 
treil to Nepsen; stem & feet thick, subterete and at the base 
wadded, 40 feet high, chiefly branched towerd the top; wood 
only moderately hard, sourish in odor, tasteless, the outer 
portion dingy or yellowish white, the greeter centrel mass 
subolivaceous; bark smoothish, mottled, quite thick, dingy 
yellow except the castaneous inner side and the epidermis; 
the mein branches spreading and quite numerously rebranched, 
branchlets subereet and quite rigid; leaves deseend- 
ing, chartaceous, shining deep green on the upper deeply and 
ecurvingly folded side, much lighter green beneath, recurved 
toward the tips; staminate spikes strict, escending, yellowish 

