34 
glabrous, the upper shining, the lower dull and when young sparsely 
pubescent along the midrib; main nerves 10 to 12 pairs, inconspicuous 
on the upper, slightly prominent in the lower surface, spreading, form- 
ing 2 or 3 series of arches within the margin; length of blade 6*5 to 
9 in., breadth 2'5 to 3 in., petiole •-!> in. Peduncles stout, pubescent 
when young, bearing 3 or 4 pedicels; flowers 1'35 in. long; pedicels 
about 1 in., pubescent, slightly thickened upwards. Sepals coriaceous, 
triangular, acute, concave, spreading rufous-pilose on both surfaces, 
slightly conjoined at tlio base, "25 in. long. Petals coriaceous, the por- 
tion above the saccate base lanceolate, subacute, strigosely tomentose on 
both surfaces, the claw partly glabrous and partly covered with minute 
white hair. Anthers compressed, with oblong, obliquely truncate, flatten- 
ed heads. Ovaries few, oblong, glabrous; the stigma broad, oblique. 
Fruit unknown. 
Perak ; King's Collector, No. 6524. 
7. Artabotkts Lowiaxcs, n. sp., Scortechini MSS. A stout 
climber; all parts except the flowers glabrous ; young branches slender, 
dark-coloured. Leaves thinly coriaceous, oblong-lanceolate, shortly 
caudate-acuminate, the base cuneate : both surfaces shining, minutely 
reticulate ; main nerves 8 to 10 pairs, spreading, iuter-arching "2 in, 
from the margin, faint ; length of blade 3'5 to 6 in., breadth 1*25 to 
1*75 in., petiole '25 in. Peduncles extra-axillary, 2- to 3-flowered, glnb- 
rous ; pedicels thickened upwards, "5 to 75 in. long, glabrous. Sepals 
triangular, acute, glabrous, '25 in. long, enlarging a little with the frnit. 
Petals fleshy, adpressed-puberulous, elliptic-lanceolale above the concave 
base, obtuse ; the outer three 175 in. long, the inner three smaller. 
Anthers with a rounded apical process from the connective. Ovaries 
many, glabrous. Carpels (quite young) sessile, ovoid, apiculate ; ripe 
carpels unknown. 
Perak; Scortechini; No. 2012. 
This species is near A. pleitrogynus, Miq , but is perfectly gla- 
brous, not sub-strigosc pubescent ; its ripe fruit is unknown. 
8. AaTABOTRTS oxycarpus, n. sp., King. A stout climber, GO to 80 
feet long; all parts except the flower glabrous ; young branches slender, 
black when dry. Leaves oblong-lanceolate, shortly acuminate, the base 
cuneate, both surfaces shining, reticulate ; main nerves 6 to 8 pairs, 
spreading, slender; length of blade 3 to 5'5 in., breadth V%& to 1*5 in. 
Peduncles short (*75 in. long), glabrous, bearing about 2 minutely brae- 
tcolate pedicels "75 in. long. Flowers 15 to 1'75 in. loug. Sepals 
coriaceous, small, broadly ovate, acute, '2 in. long, conjoined at the base, 
spreading. Petals coriaceous, very much longer than the sepals, lanceo- 
late, obtuse; the inner 3 smaller; all adpressed-pubescent, and the 
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