218 
XX. DIPTEROCARPACEJE. 
[Dipterocarpus. 
stout velvety, 75 in. long. Flowers 2 or 3, raceme and calyx-tube 
golden-pubescent. Calyx-tube '5 in. long, short lobes *1 in. sub- 
triangular, long lobes linear oblong, 3 in. long. Petals about 
75 in. long, glaucous, puberulous outside. Fruit sub-globose, 
•5 in. long with 5 low wings pubescent. Sepaline wings oblong, 
narrowed, blunt at tip, glabrous; nerves and reticulations promi¬ 
nent 3*5 in. long, nearly 1 in. wide, short inner lobes ovate *25 in. 
long, rarely 2 in. long. Hab. Penang Hill (Burkill). Lankawi, 
Burau Bay (Ridley). Distrib. Tenasserim, Andamans, Siam. 
I only found fruit of this, the rest of the description from Burmese 
specimens. 
3 . ANISOPTERA, Korth. 
Vast trees with buttresses. Leaves usually coriaceous. Flowers 
in lax terminal and axillary panicles, medium or small, white or 
yellow. Calyx-tube short adnate to base of ovary. Petals contort 
at base longer. Stamens indefinite; anthers oblong-ovoid long- 
awned. Ovary 3 (rarely 4- to 5)-celled; ovules 2 in a cell; style 
oblong. Fruit adnate to calyx-tube; wings 2 long linear oblong, 
strongly 3-nerved and reticulate. Species 6, Malayan. 
Petals acuminate lanceolate. 
Leaves coriaceous, broad oblong, tomentose beneath 
Leaves coriaceous, elliptic, yellow scaly beneath 
Petals oblong blunt. 
Leaves coriaceous, yellowish beneath not scaly 
Leaves sub-coriaceous, green, glabrous 
Petals linear. 
Leaves thin, glabrous ..... 
(1) A. costata 
(2) A. Curtisii 
(3) A. marginata 
(4) A. lsevis 
(5) A. thurifera 
(1) A. costata Korth, Verh. Nat, Gesch. Bot. 6 7, t. 6; Ridl. 
Journ. Roy. ris. Soc. S. Br, 54, p. 25. 
A gigantic tree, 120 to 150 ft. tall with large buttresses. Leaves 
coriaceous, glabrous above with close yellow brown tomentum 
beneath, oblong blunt, base broad; nerves 25 pairs elevate beneath, 
4 to 6 in. long, 3 in. wide; petioles 13 in. long, rough. Panicles 
axillary and terminal 6 in. long, covered with scurfy wool in tufts. 
Flowers *25 in. long, yellow. Sepals lanceolate acuminate, tomentose. 
Petals glabrous, lanceolate acuminate. Fruit globular 1 in. through, 
tomentose, light brown, outer wings 7 in. long, 13 in. wide, linear- 
oblong obtuse, 3 strong nerves, transverse bars elevate, 3 inner 
wings very narrow, 1 to 3 in. long, with 2 main nerves. Hab. 
Dense jungle, Singapore, Garden Jungle. Malacca, Batu Tiga. 
Negri Sembilan, Kwala Pilah (Burkill). Selangor, Banji, Kajang 
(Mitchell). Distrib. Borneo, Tenasserim. Native names: Mer- 
sawar Ular; Mersawa Merak; Sepah Petri. 
(2) A. Curtisii King, l.c. 100. (Fig. 22 c, d, p. 212.) 
Tree 80 to 100 ft. tall. Branchlets tomentose. Leaves oblong 
acute, base obtuse or broadly elliptic, above glabrous, beneath 
