60 The Philippine Journal of Science 1916 
Pedicels pubescent, stout, about 1 mm long, the bracteoles 
oblong-lanceolate, acuminate, pubescent, about 1.2 mm long. 
Calyx cup-shaped, pubescent, 1.5 mm in diameter, truncate, or 
with three or four very broad, very obscure lobes, or these not 
at all evident, the margins minutely denticulate. Ovary ovoid, 
glabrous, including the rather prominent, terminal stigmas about 
2 mm long. Fruit ovoid-ellipsoid, 6 mm long, narrowed at both 
ends, acute, equilateral, glabrous, wrinkled, not compressed but 
obscurely keeled. 
Sarawak, without definite locality, Native collector 138U (Bur. Sci.) 
(type) ; Lundu, Foxworthy 37, May 10, 1908, known to the Dyaks as 
camaiit. 
This species somewhat resembles specimens of Antidesma moritzii Muell.- 
Arg., but is not closely allied to it. It is well characterized by its 
truncate, minutely denticulate calyces, which are not at all or but very 
obscurely and shallowly 3- or 4-lobed; the few elongated branches of its 
terminal inflorescence; and its very prominently nerved leaves. 
ANTIDESMA RIVULARE sp. nov. 
Arbor 7 ad 8 m alta ramulis subtus foliis ad costa nervisque 
petiolis stipulis inflorescentiisque plus minusve villosis; foliis 
coriaceis vel subcoriaceis, in siccitate brunneis, nitidis, usque 
ad 20 cm longis, oblongis ad late oblongo-oblanceolatis, prom- 
inente acuminatis apiculatisque, basi leviter inaequilateralibus, 
plus minusve angustatis, rotundatis ad subacutis, nervis utrin- 
que circiter 12, adscendentibus, supra impressis subtus valde 
prominentibus, stipulis lanceolatis, acuminatis, circiter 1 cm 
longis; racemis 2 axillaribus, solitariis, usque ad 18 cm longis; 
floribus pedicellatis, 4-meris; fructibus anguste ovoideis, reticu- 
latis, compressis, basi leviter inflatis, brunneis, nitidis, parce 
pubescentibus, circiter 8 mm longis, stylis terminalibus. 
A tree 7 to 8 m high. Branches grayish, terete, glabrous, the 
branchlets rather densely villous with brownish-gray hairs. 
Leaves oblong to broadly oblong-oblanceolate, 11 to 20 cm long, 
3 to 7 cm wide, brown and shining on both surfaces when dry, 
prominently and rather slenderly acuminate, the acumen api- 
culate, base somewhat narrowed, somewhat inequilateral, round- 
ed or sometimes subacute, the upper surface glabrous, the lower 
pubescent on the midrib and lateral nerves; nerves about 12 on 
each side of the midrib, impressed on the upper surface, very 
prominent on the lower surface, ascending, anastomosing; peti- 
oles densely pubescent, 2 to 4 mm long ; stipules narrowly lanceo- 
late, acuminate, pubescent, about 1 cm long. Pistillate racemes 
solitary, axillary, in fruit up to 18 cm long; the rachis, pedicels, 
calyx, and bracteoles pubescent. Fruits rather scattered, reddish 
