BALFOUR—NEW SPECIES OF RHODODENDRON. 83 
nearly sessile. Foliage-buds unknown. Leaves petiolate about 
16.5 cm. long; lamina chartaceous oblanceolate about 14.5 cm. 
long 4 cm. broad, at the apex somewhat beaked and ending 
in a red hydathodal tuberculate mucro, margin cartilaginous 
flat or slightly recurved inconspicuously undulate not roughened, 
tapered to the broadly obtuse base; upper surface slightly 
glossy bright green, midrib reddened grooved lined more or 
less with withered floccose hairs, primary veins about 15 on 
each side reddened slightly grooved, rest of surface slightly 
shagreened (when dry) glabrescent; under surface paler 
somewhat pale olive-green, midrib and primary veins raised, 
whole surface (venation included) clad with a thin sparse more 
or less detersile tomentum of whitish hairs with long stalks 
and many long more or less interlocking branches covering red 
or orange-coloured clavate glands particularly on veins and 
midrib; petiole as much as 2 cm. long grooved groove 
floccose, under surface copiously red-glandular and floccose. 
Inflorescence a racemose 12-flowered umbel, rhachis about 
I cm. long densely pubescent with intermixed glands ; inner 
bracts oblong-spathulate obtuse about 2.5 cm. long 1.4 cm. 
broad at top, inside glabrous, at base outside silkily and densely 
hairy; bracteoles linear about 1 cm. long pilose throughout ; 
pedicels about 1.5 cm. long glandular the glands red clavate. 
Calyx conspicuous about 4 mm. long cupular red ; cup about 
I mm. long glandular 5-lobed; lobes membranous elliptic or 
ovate or rounded subequal glandular outside and fringed with 
Stalked glands. Corolla creamy-white flushed rose with a dark 
crimson blotch posteriorly at the base and many crimson spots 
above, about 4 cm. long campanulate fleshy glabrous inside 
and outside, 5-lobed; lobes broad, posterior about 1.4 cm. 
long 2.4 cm. broad emarginate. Stamens IO unequal shorter 
than corolla, longest about 3.4 cm. long with anther 3 mm. long, 
shortest about 1.4 cm. long with anther 2.5 mm. long; fila- 
ments slightly broadened downwards, from the base puberulous 
to above the ovary. Disk puberulous. Gynaeceum about 3.8 
em. long shorter than corolla longer than stamens; ovary 
conoid truncate about 4 mm. long grooved densely glandular 
the orange ovoid shortly stalked glands intermixed with some 
simple hairs; style glabrous thin slightly clavate below the 
lobulate discoid stigma. 
whew inal Mekong-Salween divide. Lat. 28° N. 
Alt. 13,000. Rhododendron forest. Shrub of 20-30 ft. Flowers 
fleshy creamy-white flushed rose. G. Forrest. No. 16,352. 
May 1918. ; 5 
A distinct species of the Irroratum series. The species 
which it most resembles seems to be Rh. araiophylium, Bali. t. 
E 
