ARNOLD ARBORETUM, HARVARD UNIVERSITY 
Plants of Mai ay Si o- 
P. F. Stevens et al. 354. 
Sabah, Sandakan, Ulu Dusun F.R., 7.i.1976, 2 m. 
Swamp forest 
Tree 22 m. tall, d.b.h. 25 cm.; no spurs, etc.; 
knee roots to 10 cm. tall; outer bark yellowish 
and brown mottled, with slight horizontal mark¬ 
ings, the inner surface dull greenish straw brown; 
under bark dark red; inner bark meat red, lami¬ 
nated; latex opaque yellow, sticky; leaves dark 
green above, the midrib yellowish green, rather 
sharply and prominently raised, below paler, the 
venation very clear, the midrib rounded, not very 
much raised, yellowish. 
Guttiferae - Calophyllum pisiferum PI. & Tr. 
ARNOLD ARBORETUM, HARVARD UNIVERSITY 
Plants of Malaysia 
P. F. Stevens et al. 360. 
Sabah, Sandakan, Ulu Dusun, 7.i.1976, 8 m. 
Mixed dipterocarp forest. 
Tree ca. 14 m. tall, d.b.h. 12 cm., no spurs, etc. 
outer bark rather orange brown, hoop-marked, 
otherwise smooth, the inner surface brick red; 
under bark meat red; inner bark rather dark meat 
red; latex opaque, lemon yellow, not sticky; 
leaves dark green above, the midrib almost con- 
colorous, sharply raised, below paler, the mid¬ 
rib slightly paler, raised, rounded, the venation 
not conspicuous. Seedlings very numerous under 
the tree. 
Guttiferae - Calophyllum gracilipes Merrill. 
ARNOLD ARBORETUM, HARVARD UNIVERSITY 
Plants of MalaysJ <x. 
P. F. Stevens et al. 410. 
Sabah, Labuk & Sugat, Bukit Tangkunan, Mile 86, 
Labuk road, 11.i.1976, 415 m. 
Forest on ultramafic rock. 
Tree 20 m. tall, d.b.h. 22 cm., slightly spurred; 
outer bark brown, more or less scaly, closely 
cracked, the inner surface brown; under bark dark 
red; inner bark mid red; layered; fibrous; latex 
like lemon curd, fluid; leaves dark shiny green 
above, the margins and midrib paler, the latter 
sharply raised, below paler, the venation clear, 
the midrib rounded. 
Guttiferae - Calophyllum teysmannii Miq. 
ARNOLD ARBORETUM, HARVARD UNIVERSITY 
Planta of Malaysia. 
P. F. Stevens et al. 381. 
Sabah, Sandakan, Mile 32 Lnjbuk road, Sungei Mayan. 
9.1.1976, 30 m. 
Sandstone escarpment. 
Tree ca. 15 m. tall (but topped), d.b.h. 42 cm., 
no spurs, etc.; outer bark yellowish, strongly 
fissured, the inner surface black; under bark 
deep red; inner bark pale pink, layered; latex 
slightly opaque, yellow, sticky; terminal bud 
sometimes functional; leaves dark green above, the 
midrib yellowish green, broadly raised, below 
paler, rather fine venation, the midrib yellowish, 
flat. 
Guttiferae - Calophyllum nodosum Vesque. 
ARNOLD ARBORETUM, HARVARD UNIVERSITY 
Plants of Malaysia 
P. F. Stevens et al. 388. 
Sabah, Sandakan, Mile 32 Lobu*k road, Sungei 
Mayan, 9.i.1976, 30 m. 
Sandstone escarpment. 
Tree ca. 20 m. tall, d.b.h. 17 cm.; outer bark 
grayish-brownish mottled, cracked, the inner sur¬ 
face blackish; under bark pale straw; inner bark 
pale straw mottled orangey; branches spreading to 
pendulous; leaves dark very shiny green above, 
paler and less shiny below; flowers red, sweetly 
scented; fruit green, aril entire except for the 
top third, orange (still immature). 
Myristicaceae - Horsfieldia 
ARNOLD ARBORETUM, HARVARD UNIVERSITY 
Plants of Malesia 
P. F. Stevens et al. 460. 
Sabah, Kinabatangan, Sungei Kuanmt, c. 5 9 05 T S, 
14.1.1976, 250 m. 
Severely logged mixed dipterocarp forest. 
Epiphytic; leaves dark shiny green above, the vena 
tion obscure, paler below, the venation clear; 
fruit orange. 
Moraceae - Ficus 
ARNOLD ARBORETUM, HARVARD UNIVERSITY 
Plants of Malesia 
P. F. Stevens et al. 458. 
Sabah, Kinabatangan, Sungei Kuamut, c. 5° 05 f S, 
14.1.1976, 25Q m. 
Severely logged mixed dipterocarp forest. 
Tree ca. 6m. tall; leaves mid shiny green above, 
paler below; inflorescence green. 
Euphorbiaceae — Hallo tus 
