Marcu 18, 1912] NEW  APOCYNACEAE 1461 
This is the third endemie species, differing entirely from 
Cuming 1831 from Bohol or M. cumingii A. DC. and from 
Cuming 1574 from Mindoro or M. philippinesis A. DC. 
OCHROSIA Juss. 
Ochrosia  apoensis Elm. n. sp. 
An erect tall tree; trunk 6 dm. thick, 15 m. high; branches 
spreading from above the middle; twigs branched, subverticel- 
late, easily breaking, the ascendingly curved green portion 
glabrate; wood soft, yellowish white throughout, with a distinct 
bitterish taste, odorless, easily splitting; bark brown, densely 
beset with lenticels. Leaves opposite or in whorls of 3, mostly 
toward the ends of the twigs, very smooth, flat, ascending, dark 
green above and turning blackish while drying, paler or yellowish 
green beneath and dark brown when dry, the entire margins sub- 
involute, apex acute, base cuneate, oblanceolately oblong, the 
ts larger blades 1 dm. long by nearly 3 cm. wide above the middle; 
E the lower surface minutely blistered; midrib prominent beneath, 
caniculate on the upper surface; lateral nerves about 15 on a 
side, subdivarieate, not conspicuous, strict, their tips united 
into an intramarginal line retieulations few and scarcely visible; 
petiole 1 to 1.5 em. long, glabrous, the upper part flattened by 
the decurrent leaf bases. Inflorescence pale green, 1 to 3 cm. 
long, glabrous, few dichotemously branched from above the 
middle; the ultimate portion flower bearing, short and divari- 
eate; the flowers subtended by small bracts and leaving large 
yellowish gray scars after falling, subsessile; calyx glabrous, cup 
shaped, 5 mm. long, 3 mm. across at the top, the basal portion 
provided with few to several short thick very unequal bracts; 
segments also thick, glabrous, rotundly oblong, imbrieate, united 
about the base; corolla tube cylindrie, 7.5 mm. long, 2.5 mm. 
thick glabrous except the finely hairy region below the stamens; 
bud as long as the tube, erect, oblong, the 5 segments strongly 
imbricate but not twisted, thick and rigid, linearly oblong, at 
base oceasionally lobulate, apex rounded; stamens also 5, 
inserted upon the middle of the corolla tube; free filaments 
1 mm. long, glabrous; anther 1.5 mm. long, gradually tapering 
