448 The Philippine Journal of Science 1019 
LOGANIACEAE 
GENIOSTOMA Forster 
GENIOSTOMA PACHYPHYLLUM sp. nov. 
Frutex vel arbor parva, glabra, ramulis et foliis in siccitate 
nigris ; foliis coriaceis vel subcoriaceis, anguste oblongis ad 
oblongo-lanceolatis, 5 ad 8 cm iongis, basi acutis, apice acutis 
vel obscure acuminatis, nervis utrinque 5 vel 6, tenuibus, reti- 
culis subobsoletis ; fructibus axillaribus, solitariis, ovoideis vel 
ellipsoideis, circiter 7 mm Iongis, breviter pediceilatis. 
A glabrous shrub or small tree, the branches terete, straw- 
colored, the young branchlets black when dry as are the leaves 
and petioles. Leaves coriaceous or subcoriaceous, brittle, nar- 
rowly oblong to oblong-lanceolate, 5 to 8 cm long, 1.2 to 2.5 cm 
wide, subequally narrowed to the acute base and to the acute 
or slightly acuminate apex; lateral nerves slender, 5 or 6 on 
each side of the midrib, obscurely anastomosing, the reticula- 
tions obsolete or nearly so; petioles about 5 mm long; stipules 
short, truncate. Fruits axillary, solitary, ovoid or ellipsoid, 
about 7 mm long, black when dry, their pedicels about 5 mm 
long; persistent sepals broadly ovate, rounded, their margins 
slightly ciliate. 
Luzon, Ilocos Norte Province, Mount Palimlim, Bur. Sci. 
33316 Ramos, August 21, 1918, on forested slopes, altitude about 
1,000 meters. 
This species is distinguished among the Philippine forms by 
its glabrous, slenderly nerved, brittle, coriaceous or subcoriaceous 
leaves, the reticulations being obsolete or nearly so, and by its 
solitary, axillary fruits. The whole plant, except the branches, 
is characteristically black when dry. 
APOCYNACEAE 
ALYXIA Banks 
ALYXIA RETUSA sp. nov. 
Frutex scandens, inflorescentiis leviter pubescentibus exceptis 
glaber, ramulis incrassatis, 5-angulatis; foliis verticillatis, 5- 
natis, crassissime coriaceis, obovatis ad oblongo-obovatis, 5 ad 8 
cm Iongis, apice late rotundatis retusisque, margine revolutis, 
nervis tenuibus, indistinctis ; cymis axillaribus, breviter pedun- 
culatis, circiter 3 cm Iongis; fructibus usque ad 3 cm Iongis, 
partibus seminiferis solitariis vel binis, ellipsoideis, 10 ad 12 
mm Iongis, 8 mm diametro. 
A scandent shrub, glabrous except the sparingly pubescent 
Inflorescence, the branches stout, up to 8 mm in diameter, rugose 
