152 
LXXIV. RUBIACEAL 
[Lasianthus. 
Peduncles long, slender. 
Leaves ovate-lanceolate acuminate, 4 by 
1-25 in.; peduncles over 1 in. 
long.(56) L. pendulus 
Leaves elliptic acute, 5 by 2*25 in.; peduncle 
3 in. long .... {57) L. Robinsonii 
Leaves oblong sub-sessile, 3 by 1 in.; 
peduncle *5 in. long . . (58) L. flliformis 
Leaves rhomboid; midrib only hairy, *5 by 
■25 in .(59) L. gracilis 
(1) L. scabridus King and Gamble, Journ. A s. Soc. Beng. lxx. 111. 
Shrub about 5 ft. tall. Stem glabrous. Leaves coriaceous, 
oblong to elliptic acuminate, base shortly narrowed unequal; 
nerves 12 pairs, deep sunk above and elevate beneath, reticulations 
depressed above, strongly elevate beneath, densely hairy on both 
sides, 4*5 to 8 in. long, 1-35 to 2-35 in. wide; petioles hairy, 7 in. 
long. Stipules broadly triangular, glabrous. Heads globose 
dense, 1 in. through, many-flowered. Bracts linear, very numerous 
hairy. Flowers few sessile concealed by bracts. Calyx-lobes 
pubescent, lanceolate. Fruit glabrous, purple blue, *2 in. long. 
Pyrenes wrinkled 5. Hab. Woods in the south. Singapore, 
Jurong Road (Burkill). Johor, Tanjong Bunga; Batu Pahat. 
Distrib. Carimon isles, Lingga, Borneo. 
(2) L. Griffithii Wight, Calc. Journ. Nat. Hist . vi. 505; 
King, lx. hi. 
Shrub about 3 ft. tall, rarely 8 ft., sparsely pubescent. Leaves 
coriaceous oblanceolate-elliptic acuminate, base acute, glabrous 
above; nerves 14 pairs and midrib prominent and reticulations hairy 
beneath; 8 to 12 in. long, 3 to 4 in. wide; petioles thick winged 
to base. Stipules broad triangular, blunt, half covering the heads, 
glabrous, *5 in. long. Heads 1 in. through. Flowers sessile, *3 in. 
long, mixed with numerous linear hairy bracts. Calyx campanu- 
late, glabrous, lobes ovate to lanceolate hairy. Corolla white, tube 
glabrous, throat hairy, lobes narrow, lanceolate (many cleistogamic 
flowers). Fruit ovoid, *2 in. long; pyrenes 5. Hab. Forests, 
Singapore, Chan Chu Kang. Johor, Sedenah; Mt. Austin; Serom. 
Pahang, Gunong Tahan (Haniff). Malacca (Griffith). Selangor, 
Petaling. Negri Sembilan, Bukit Tumayiang (Cantley). Perak, 
Goping (Kunstler); Gunong Keledang (var.) Thaiping Hills. 
var. latibracteata, King and Gamble, has shorter broader stipules. 
Distrib. Borneo. Lingga. 
(3) L. stipularis Bl. Bijdr. 997; King, l.c. 112, 
Slender shrub about 3 ft. tall, entirely glabrous (except bracts 
and corolla mouth). Leaves thinly membranous, oblong-lanceolate 
apiculate-caudate, base long-narrowed decurrent to petiole base; 
nerves slender, 9 to 10 pairs distinct; 5 to 7 in. long, 1-5 to 2 in! 
wide; petioles *25 in. long. Stipules broad, triangular-ovate 
acute, *5 in. long and wide at base, completely covering the head. 
