1030 LEAFLETS OF PHILIPPINE BOTANY [Vor. III, Arr. 54 
are also the ultimate branchlets but which soon become 
glabrous; corolla 4 mm. long, 1.5 mm. thick, creamy white, 
the 4 segments strongly reflexed and ultimately split to be- 
low the throat, glabrous except the olivaceous hairs in the 
throat; segments oblong, obtuse at apex, 2 mm. long, nearly 
1.5 mm. wide; stamens 4, alternating with the segments; 
filaments glabrous, slender, 3 mm. long, adnate to the mid- 
dle of the corolla tube; style with the 2 linear stigmatic 
lobes scarcely exceeding the corolla; anthers yellow, 0.5 mm. 
long, ellipsoid, attached on the back below the middle; 
fruits 4 mm. long, ellipsoid, bearing the persistent calyx rim, 
whitish, 2-celled, smooth; pyrenes elliptic on the plane ven- 
tral side, 8 mm. long, 1.5 wide across the middle, rounded 
and without ridges on the back. 
Type specimen 11645, A. D. E. Elmer, Todaya (Mt. Apo), 
District of Davao, Mindanao, September, 1909. 
Sprawling and forming dense masses over the tops of 
lofty trees in humid forests along the edge of the Baruring 
river on the trail to Talon, at 4000 feet altitude. ‘‘Gualog’’ 
is the Bagobo name. 
It is a distant relative of my P. ramosissima from Luc- 
ban, Tayabas province, Luzon. 
Psychotria arborescens Elm. n. sp. 
Tree; stem 3 dm. thick, 8 m. high; branches chiefly 
above the middle, crookedly rebranched, twigs ascendingly 
curved; wood soft, sappy white, neither odorous nor with taste; 
bark smooth, brown, gray as the branches. Leaves coria- 
ceous, ascendingly spreading, dark shining green on the 
upper side, much paler beneath, flat or only the very short 
acute tips recurved, glabrous, opposite, usually crowded to- 
ward the ends of the twigs, obovately oblong or merely 
obovate, margins entire and curved upon the under side in 
the dry state, cuneate at the base, rounded at the apex ex- 
cept the short point, 2 dm. long, 7.5 cm. wide above the 
middle; petiole stout, subglabrous, 3 em. long; stipule cadu- 
cous, broadly oblong, glabrous, rigid, brown 1 cm. long at 
least; nerves prominent beneath, about 11 pairs, ultimately 
glabrous, ascendingly curved especially toward their ends, 
the coarse reticulations relatively faint. Inflorescence termi- 
