BALFOUR—NEW SPECIES OF RHODODENDRON. 137 
expanding’ slightly to form a lip below the discoid lobulate 
stigma 
ma. 
S.E. Tibet. Tsarong. On the northern slopes of Ka-gwr-pw, 
Mekong-Salween divide. Lat. 28° 40’ N. Alt. 14,000 ft. Open 
rocky pasture. Prostrate shrub of 2-6 inches. Flowers pale 
rose without markings. G. Forrest. No. 16,698. July 1918. 
S.E. Tibet. Tsarong. On Doker-la, Mekong-Salween divide. 
Lat. 28° 25’ N. Alt. 14,000-15,000 ft. Open moist alpine 
meadows. Creeping shrub of 2-3 inches. Flowers deep rose 
without markings. G. Forrest. No. 16,700. July 1918. 
Another beautiful species of the Forrestii series and allied 
to Rh. erastum, Balf. f. et Forrest, but easily distinguished by | 
with thin hai 
ll ove 
corolla glabrous inside without imperfect septa, eglandular 
ovary. See p. 60. 
US) Rhododendron setiferum, Balf.f. et Forrest.* . 
A shrub 3 m. high with straight spreading branches as much 
as 3 mm. in diameter when a year old, dark red-purple clad 
more or less densely with glandular setae mixed with shorter 
glands and some floccose hairs; older branches warted with 
recurving, densely ‘glandular an 
persisting often for over a year; innermost scale-leaves 
branous ligulate-spathulate acute or acuminate about 2.5 cm. 
long 4 mm. broad more or less puberulous outside and inside, 
ciliate ; young leaves in the bud revolute glandular and floccose 
on both surfaces. Leaves petiolate as much as 9 cm. long; 
lamina leathery oblong about 7.5 cm. long 2.5 cm. broad 
slightly narrowed at the somewhat beaked apex ending in a 
spicular red-tipped hydathode about 1 mm. long, margin carti- 
* Rhododendron setiferum, Balf. f. et Forrest.—Frut x ad 3 m. altus ramulis 
glanduloso-setulosis ; abastrorum perulae exterlores cau atae, in 
membranaceae oblongo-spathulatae. Folia petiolata ad 9 cm. longa ; lamina 
coriacea oblonga circ. 7.5 cm. longa 2.5 cm. lata apiculata, margine paullo recurva, 
basi truncatula vel subrotundata ; supra olivacea glabrescens floccorum et glandu- 
larum juvenilium vestigiis vestita ; subtus ful : Pp : 
supero floccoso et infero glanduloso aedificato induta et costa media venisque 
primariis rubris notata; petiolus ad 1.5 cm. longus glanduloso-setulosus ruber. 
Flores in umbellam ad 10-floram dispositi ; bracteae dense 
mem- 
bracteolae 
ceae ; 
; lobi rotundati lati. Stamina 
Io inaequalia corolla gynaeceoque breviora ; amenta puberula. Discus 
Puberulus. Gynaeceum corolla paullo brevius ; ovarium conoideum truncatum 
dense glanduloso-setulosum ; stylus basi puberulus. 
