254 BALFOUR—NEW SPECIES OF RHODODENDRON. 
vix nitente institaque membranacea integra umbone latiore 
aedificata e foveola profunda oriente) subtus squamis ut supra 
constructis rufescenti-nitentibus profundius impressis umbone 
concavo discontiguis vestita ad intervalla esquamosa papillis 
epidermicis ceriferis quadratis subglauca costa media supra 
subsulcata subtus paullo elevata venulis caeteris occultis ; petio- 
lus vix 0.5 mm. longus brunneo-lepidotus. Flores in umbellam 
2-floram terminalem dispositi; alabastra globosa_ bracteis 
mox deciduis externis parvis ovatis coriaceis extus lepidotis 
internis rotundatis cuctillatis mucronulatis crustaceo-membrana- 
ceis extus lepidotis margine ciliatis; pedicelli parvuli circ. 
I mm. longi dense lepidoti. Calyx fere ad basim quinque- 
lobatus cupula parva extus lepidota lobis circ. 1.5 mm. longis 
aequalibus -vel subaequalibus ovatis submembranaceis acutis 
vel obtusis extus plus minusve lepidotis margine saepe lepidoto- 
ciliatis apice interdum pilis 1-2 longis terminatis. Corollae 
lilacinae circ. 1.4 cm. longae extus elepidotae tubus brevis 
circ. 2 mm. longus intus ad faucem brevissime puberulus, limbi 
discus concavus circ. 2 mm. latus, lobi rotundati vel oblongo- 
elliptici circ. 7 mm. longi et lati margine undulati apice rotundati. 
Stamina g (-10?) corollam fere aequantia filamentis validis 
supra basim intra faucem corollae floccoso-pubescentibus 
pallidis. Ovarium oblongum albido-lepidotum ; stylus pur- 
pureus basi puberulus staminibus brevior vel ea vix aequans ; 
stigma lobulatum. 
Species fastigiata Rh. impedito, Balf. f. et W. W. Sm. affinis 
sed indumenti subfoliaris squamis fere contiguis stylo staminibus 
haud longiore distincta. 
Tibeto-Yunnan frontier. Doker La. 13,000-15,000 ft. F. 
Kingdon Ward. No. 541. 1913. 
Rh. oresbium is one of the Lapponicum series. It re- 
sembles Rh. impeditum, Balf. f. et W. W. Sm. and other species 
with discontiguous uniform scales on the leaf under-side and 
with elepidote corollas, but is distinguished from them all 
by its style, which is puberulous not glabrous at the base 
and is not longer than the stamens. 
See also p. 300. 
Rhododendron pachypodum, Balf. f. et W. W. Sm. 
Frutex ad 1.5 m. altus laxe ramosus. Rami hornotini 
tenues circ. 2 mm. diam. dense rufo-lepidoti epilosi breves. 
Alabastrorum anguste ovoideorum acutorum perulae externae 
ovato-acuminatae subcarinatae extus dense rufo-lepidotae 
internae oblongae angustae subtruncatae apiceque albo-ciliatae. 
Folia breviter petiolata ad 8 cm. longa epilosa ; i 
ad 
cm. longa ad 3 cm. lata lanceolata vel oblanceolata coriacea 
