464 Lxxxii. ERICACEJ!. (C. B. Clarke.) IBhododendron. 



yellow tube cylindric below widely fannel-shaped upwards. Mig. in Ann. 

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



Pbuano; Maingay,Ti. 1099. — Distrib. Sumatra. 



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

 Pedicels 2-7, 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 Ij by y in., acute, closely pubescent; exoearp separating half-way down; 

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

 javamcnm, and perhaps not really separable by the colour of the coroUa ; but larger 

 in all its parts and having a densely hairy ovary. 



SuB&ENUs II. Fseudovireya. Characters of Vireya, but valves of the 

 capsule recurved, not twisting after dehiscence. 



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

 scattered small obovate-oblong obtuse glabrous glandulai^scaly beneath, flowers 

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

 ing. Hooh.f. in Journ. Hortic. Soc. Land. vii. 81, 96. 



Sikkim Himalaya ; alt. 6-8000 ft. ; Lachen and Darjeeling, J. D. H., Gamble, See. 



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

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

 sheathing their base even in fruit. Calyx-lohes ^ in., ovate-oblong. Corolla-tithe 

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

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

 valves recurved to their base. 



Subgenus 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. 



Sbeius 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 CoroUa-lobes more than 5, stamens 12—18. 



7. R. ^rande, Wiyht Ic. t. 1202; leaves long-petioled oblong-lanceolate 

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

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

 t. 473-476 : Bot. Mag. 5054. Rhododendron, Chif. Bin. Notes, 139, n. 618. 

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

 y, Nutt. I. c. 367, 358. Waldemaria argentea, Klotzsch in Bets. Pr. Waldetn. 

 Bot. 99, t. 63-4. 



Sikkim Himaiata ; alt. 7-11,000 ft., frequent, J. D. H., &e. Bhotan ; alt. 7000 

 ft. ; Gnffith, Booth. 



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 ^-| in., densely hairy. Calyx very short, lobes 

 obscure. Corolla 2-3 by 2-21 in. (jn 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-ceiled; stigma very large. Capsule If 

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



8. R. Kodgrsonl, Hook. f. Bhod. Sikkim. Himal. t. 15 : leaves long- 

 petioled narrowly obovate-oblong cinnamone'ous or whitish subtomentose be- 

 neath, corolla bright-Tose or purplish. Hook./, in Journ. Hort. Sk>c. Land. vii. 



