464 LXXXII. ERICACEAE. (C.B.Clarke.) [Rhododendron. 



yellow tube cylindric below widely funnel-shaped upwards. Miq. in Ann. 

 Mus. Lugd. Bat. i. 42, t. 1, A. 



PENANG; Maingay, n. 1099. DISTRIM. Sumatra. 



A large shrub. Leaves 7 by 2 in., shortly acute at both ends ; petiole in. 

 Pedicels 27, 1 in., pubescent. Calyx-lobes obsolete. Corolla 1| in. long, and broad; 

 lobes 5, large, round, erecto-patent. Stamens 10 ; filaments densely hairy down- 

 wards. Ovary 5 -celled, densely hairy ; style glabrous , stigma small, clavate. Cap- 

 sule 1^ by |- in., acute, closely pubescent ; exocarp separating half-way down ; 

 endocarp dehiscing loculicidally, about ^ its length twisting up. Closely allied to R. 

 javanicnm, and perhaps not really separable by the colour of the corolla ; but larger 

 in all its parts and having a densely hairy ovary. 



SUBMENUS II. Pseudovireya. Characters of Vireya, but valves of the 

 capsule recurved, not twisting after dehiscence. 



6. XI. vaccinioides, Hook. f. Rhod. Sikkim Himal. pt. ii. p. 3 ; leaves 

 scattered small dbovate-oblong obtuse glabrous glandular-scaly beneath, flowers 

 solitary, corolla white or pinkish tube short broadly cylindric lobes wide-spread- 

 ing. Hook.f. in Jo-urn. Hortic. Soc. Lond. vii. 81, 96. 



SIKKIM HIMALAYA ; alt 6-8000 ft. ; Lachen and Darjeeling, J. D. H., Gamble, &c. 



A shrub, 1-3 ft., sometimes epiphytic ; branches scabrous. Leaves f by in. ; 

 base attenuate, scarcely petioled. Pedicels in., glandular; bracts in., closely 

 sheathing their base even in fruit. Calyx-lobes ^~ in., ovate-oblong. Corolla-tube 

 - in.; lobes 5, -5- in., round or obovate, entire Stamens 10, filaments densely 

 hairy. Ovary 5-celled, scaly, not hairy ; stigma clavate. Capsule 1 by i in., acute ; 

 valves recurved to their base. 



STJBGENUS III. Eurhododendron. Capsule ovoid cylindric or oblong ; 

 valves woody ; placentae remaining attached to the central axis. Seeds without 

 tails, or tail shorter than the seed. Inflorescence terminal, or pedicels clus- 

 tered, axillary or pseudo-terminal. 



SERIES A. Leaves beneath glabrous or tomentose without glandular scales. 

 Corolla widely funnel-shaped or campanulate. Large shrubs or trees. 



* Corymbs many-flowered. Calyx-lobes small or obsolete. 

 t Corolla-lobes more than 5, stamens 12-18. 



7. R. grande, Wight Ic. t. 1202; leaves long-petioled oblong- lanceolate 

 glabrous silvery beneath, corolla white. R. argenteum, Hook. f. Rhod. Sikkim 

 Himal. t. 9 and in Journ. Hort. Soc. Lond. vii. 76, 91 ; Fl. des Serres, v. (1849) 

 t. 473-476: Bot. Mag. 5054. Rhododendron, Griff. Itin. Notes, 139, n. 618. 

 R. longifolium, Nutt. in Hook. Kew Journ. v. (1853) 365. R. Windsorii, var. 

 y, Nutt. 1. c. 357, 358. Waldemaria argentea, Klotzsch in Rets. Pr. Waldem. 

 Bot. 99, t. 53-4. 



SIKKIM HIMALAYA; alt. 7-11,000 ft., frequent, J. D. H,, &e. BHOTAN ; alt. 7000 

 ft. ; Griffith, Sooth. 



A tree, 30 ft. Leaves 9 by 3 in., tapering at the base, primary nerves prominent 

 and parallel ; petiole f-1^ in. Heads many-flowered, dense ; outermost empty bracts 

 glabrescent ; flower-bracts 1 by |-f in., densely hairy. Calyx very short, lobes 

 obscure. Corolla 23 by 22^ in. (in Griffith's examples much smaller), 5-8-lobed, 

 sometimes pinkish when young. Stamens 10-16; filaments pilose or glabrous. 

 Ovary glandular, scarcely pubescent, 10-16-celled; stigma very large. Capsule 1$ 

 by in., more or less tomentose, curved. Seeds ellipsoid, compressed, margined. 



8. H. Hodgrsoni, Hook. f. Rhod. Sikkim. Himal. t. 15 : leaves long- 

 petioled narrowly obovate-oblong cinnamoneous or whitish subtomentose be- 

 neath, corolla bright-rose or purplish. Hook. f. in Journ. Hort. Soc. Lond. vii. 



