2l6 
LXXXI. ERICACEAE. 
[Rhododendron, 
Leaves oblong, flowers 2 in. long; capsule not 
twisted ...... 
Leaves lanceolate, acute; flowers i in. long; 
capsule twisted ..... 
Leaves elliptic, blunt, strong nerved; capsule 
not twisted; flowers yellow . 
Leaves obovate small whorled; flowers 
solitary or 2, red .... 
Corolla tubular hardly dilate at mouth. 
Stamens not exsert. 
Leaves obovate; corolla hairy very broad; 
bracts ovate, blunt .... 
Leaves elliptic-lanceolate, corolla, pubescent, 
narrow; bracts lanceolate acute 
Stamens exsert. 
Leaves spathulate glandular; corolla glabrous, 
glandular ...... 
Doubtful species ...... 
(12) R. longifiorum 
(13) R. malayanum 
(14) R. Scortechinii 
{15) R. pauciflorum 
{16) R. calocodon 
(17) R. elegans 
(18) R. spathulatum 
(19) R. dubium 
(1) R. javanicum Benn. Pl. Jav. Rar. 85, t. 19; Bot. Mag. t. 
4366; King, l.c. 74. 
Epiphytic shrub. Leaves thinly coriaceous, elliptic acute, 
tapering to each end, 3*5 to 5'5 in. long, 1*25 to 2 in. wide; petioles 
75 in long. Umbels 5- to 7-flowered. Corolla wide campanulate, 
1'5 in. long, and as wide, red. Ovary glabrous. Capsule 1*5 in. 
long, glabrous, narrow. Hab. Mountains, 2000 to 4000 ft. altitude. 
Selangor, Gunong Mengkuang Lebah (Robinson). Perak, Thai ping 
Hills (Wray, Derry). Distrib. Java, Sumatra. 
(2) R. Teysmanni Miq. FI. Ind. Bat. Supfi. 585. R. javani¬ 
cum var. King and Gamble, l.c. 
Resembles R. javanicum but has leaves thinner, 6 in. long, 2 in. 
wide; petioles 1 in. long, thick. Flowers yellow and pistil silky. 
Hab. Mountains; not very common. Pahang, Tahan River; 
Telom Ridge (Ridley). Perak, Thaiping Hills. Penang, Moniot's 
Road and top of hiU (Maingay, Curtis). Kedah Peak (Robinson). 
A variety with thick leaves and fewer nerves occurs on Gunong 
Kerbau (Robinson). Distrib. Sumatra, Java. 
(3) R. Robinsonii Ridl. Journ. F.M.S. Soc. Mus. iv. 44. 
Epiphyte about 2 ft. tall. Leaves in whorls of 3, coriaceous, 
elliptic to lanceolate obtuse to sub-acute; nerves 8 pairs, 3*5 to 
5 in. long, 2 in. wide; petioles *5 in. long. Umbels of 5 flowers 
on short peduncle; pedicels 1*5 in. long. Corolla campanulate, 
1 in. long, 1-25 in. wide, bright yellow, sometimes flushed red. 
Stamens and ovary glabrous. Hab. Mountain forests about 3000 ft. 
altitude. Pahang, Telom from 3400 to 5000 ft. altitude (Ridley). 
Selangor, Gunong Mengkuang Lebah at 5000 ft. altitude (Robinson). 
(4) R. perakense King and Gamble -, l.c. 76. 
Small very scaly epiphyte. Leaves very coriaceous, obovate 
or oblanceolate blunt, base narrowed; nerves 2 (or 3) pairs; with 
persistent large scales beneath *6 to ’8 in. long, -3 to ‘4 in. wide; 
petioles *1 in. long. Umbels 3- to 5-flowered with large round bud- 
