98 lxxiv. rubiaceb. [Ixora. 
Hasskarl's I. arborescens, a Javanese plant, has flowers about half the 
size of this, and the leaves are narrowed at the base. 
(21) I. crassifolia Ridl. Journ. Roy. ris. Soc. S. Br. 79, p. 83. 
I. grandifolia var. coriacea King and Hooker, in part. 
Tree 20 to 30 ft. tall. Leaves lanceolate narrowed to both 
ends, thick, coriaceous; nerves prominent beneath, 8 pairs, de¬ 
pressed above, 13 in. long, 3 in. wide; petioles winged to base, 
thick, -75 in. long. Corymbs nearly sessile with numerous stout 
branches from base, puberulous 2*5 in. long, 3*5 in. wide. Calyx 
short broad campanulate, teeth broad, acute. Corolla white, 
tube -2 in. long, lobes oblong. Fruit globose or didymous, -25 in. 
long. Hah. Forests, local. Johor, Gunong Janeng (Kelsall). 
Pahang, Tahan River; Pekan. Malacca, Ayer Panas (Griffith); 
Selandor and Merlimau (Cantley); Brisu; Sungei Siput (Derry). 
Perak, Goping (Kunstler). 
(22) I. elliptica Wall. Cat. 6153. I. coriacea Wall. Cat. 6151. 
A tree. Leaves coriaceous, rather thin, elliptic-lanceolate to 
obovate-lanceolate, base cuneate, tip blunt or shortly apiculate; 
nerves elevate beneath, 11 pairs; 7 to 9 in. long, 3 in. wide; petioles 
1 in. long. Corymbs 3, puberulous, 3 to 5 in. long, including peduncle, 
1 to 2-5 in. long, about 2 to 5 in- wide. Flowers rose-colour. Calyx 
short campanulate with very short ovate teeth. Corolla-tube 
slender, -3 in. long, lobes linear-oblong blunt, *2 in. long. Style 
long exsert. Hab. Penang (Wallich, Phillips). 
For No. 6151 Wallich writes “ Penang et Singapore ” ; it is probably from 
Penang only. This plant has not been seen of late years. 
(23) I. patens Ridl. Journ. Roy. ris. Soc. S. Br. 79, p. 83. 
Leaves elliptic-lanceolate acuminate acute, base narrowed, 
coriaceous; nerves fine 18 pairs; 7 in. long, 2 in. wide; petioles 
•25 in. long. Corymbs, branches 5 spreading, about 3 in. long, 
7 in. wide. Flowers apparently red, sessile, in crowded cymes 
1 in. long. Calyx-teeth very short. Corolla-tube slender, -3 in. 
long, lobes half as long, tip round. Hab. Selangor, Gunong Meng- 
kuang Lebah, 5000 ft. altitude (Robinson). 
(24) I. micrantha Ridl. Journ. Roy. As. Soc. S. Br. 61, p. 21. 
A large shrub. Leaves thinly coriaceous lanceolate, acuminate 
at both ends; nerves 9 pairs; 4 in. long, 1 in. wide; petioles -25 in. 
long, winged to base. Stipules subulate, base broad, -25 in. long. 
Corymbs 4 in. long; peduncles 1*5 to 2 in. long, minutely hairy; 
branches -i in. long. Calyx campanulate, lobes very short, -i in. 
long. Corolla-tube nearly -25 in. long, lobes oblong, tip rounded, 
■25 in. long. Hab. Mountain forests, scarce. Selangor, Sempang 
Mines. Semangkok, Pahang, Telom (Ridley). 
(25) I. undulata Roxb. Hort. Beng. 10; FI. Ind. i. 385. 
A small tree. Leaves coriaceous, oblong-elliptic, sub-acute; 
nerves 12 pairs, 3-5 to 5 in. long, 1-25 to 2 in. wide; petioles -3 
