BALFOUR—NEW SPECIES OF .RHODODENDRON. 269 
longa ad 5 mm. lata apice obtusa mucronulata margine revoluta 
basi gradatim in petiolum brevem ad 4 mm. longum lepidotum 
attenuata, supra atro-viridis squamis siccis umbone citrino 
institaque fimbriata albida plus minusve pulverulentim obtecta 
quasi subasperata costa media subsulcata caeteroquin reticulo 
occulto, subtus pallide alutacea subspongiosa squamis contiguis 
inaequaliter stipitatis porriginosa plurimis longioribus umbone 
institaque latis stratum superius facientibus caeteris pallidioribus 
in stratum inferius dispositis costa media prominula. Flores 
roseo-albi in umbellas parvas multifloras breviter racemose 
capituliformes terminales rhachi puberula congesti inter ramulos 
hornotinos subflorales praecoces immersi; bracteae externae 
coriaceae fulvae ovatae subacuminatae extus lepidotae margine 
ciliatae intus glabrae interiores subrotundatae ad 4 mm. longae 
subcoriaceae cucullatae extus lepidotae margine ciliatae ; pro- 
phylla spathulata ramentacea circ. 3 mm. longa calycem sub- 
aequantia uninervia subcarinata 3 mm. longa 1 mm. lata extus 
lepidota margine ciliata; pedicelli subnulli. Calyx viridis 
parvus circ. 2 mm. longus irregulariter fere ad basim vel ad 
medium 5-fissus lobis inaequalibus subquadratis membranaceis 
extus lepidotis margine ciliatis intus glabris. Corollae carno- 
sulae extus lepidotae circ. I cm. longae tubus obliquus brevis 
circ. 6 mm. longus intus sparsim pubescens, lobi 5 rotundati 
explanati circ. 3 mm. longi imbricati paullo crenulati. Stamina 
5 inclusa filamentis deorsum dilatatis glabris, antheris rufescenti- 
bus oblongis 0.5 mm. longis. Ovarium ovoideum 2 mm. longum 
5-lobatum squamis albidis parvis contiguis lepidotum; stylus 
vix 0.5 mm. longus clavatus stigmate 5-lobato albido coronatus. 
Species tenuifolia ex affinitate Rh. cephalanthi, Franch. 
partibus omnibus minoribus diversa. 
unnan. Lichiang Range. Alt. 11,000—-12,000 ft. Lat. 
27° 30’ N. Dwarf shrub of 1-2 ft. Flowers white flushed rose. 
Open alpine pasture on the margins of pine forests. G. Forrest, 
No. 10,278. June 1913. 
Rh. radinum, Bali. f. et W. W. Sm. is an easily recognised 
species of the Cephalanthum series. It is one of the narrow- 
leaved members of the series, resembling particularly forms of 
Rh. ledoides, Balf. f. et W. W. Sm. and Rh. sphaeranthum, Balf. 
f.et W. W. Sm. From the former its pointed persistent foliage- 
bud scale-leaves, nearly sessile flowers, lepidote corolla, glabrous 
stamens, and style much shorter than the ovary distinguish 
it. From the latter its foliage-bud scale-leaves area distinctive 
mark as well as its short inner bracts and short prophylls, 
puberulous pedicels, sessile flowers, and glabrous filaments to 
the stamens. 
~ See also p. 316. 
