DIAGNOSES SPECIERUM NOVARUM. 205 
minutus ; cupula cire. 1 mm. longa carnosula glabra inaequaliter 
5-dentata ; lobi rubri submembranacei_pubescentes ciliati, lobo 
postico maximo anguste lanceolato-acuminato circ. 4 mm. longo. 
Corolla infundibuliformis circ. 3.5 em. longa alba roseo-suffusa 
kermesino-maculata evariculosa paullo 5-gibbosa intus basi ob- 
scure puberula ; lobi 5 rotundati 1 cm. longi 1. 3 cm. lati emargin- 
ati crenulati. Stamina 10 inaequalia corolla multo breviora, 
longiora circ. 2.3 cm. longa antheris 3 mm. longis, breviora 
1.5 em. longa antheris 2.5 mm. longis; filamenta citronea 
deorsum dilatata a basi ad ovarii apicem puberula; antherae 
pallide ochraceae. Discus puberulus. Gynaeceum circ. 2.4 cm. 
longum vix staminibus longius ; ovarium angustum circ. 5 mm. 
longum 1,5 mm. diam. cylindrico-conoideum truncatum glabrum ; 
stylus glaber in stigma lobulatum paullo expansus. Species Rh. 
dryophyllo,, Balf. f. et Forrest affinis. 
Western N.W. Yunnan. Mekong-Salween divide. Alt. 
10,000 ft. Lat. 27° 4o’ N. Open pine forests. Shrub of 6-12 
ft. Flowers white with crimson markings. Forrest No. 
14,145. July 1917. 
Western N.W. Yunnan. On the Bei-ma-shan. Alt. 12 
13,000 ft. Lat. 28° 12’ N. Forming forests. Shrub of 20-25 
ft. Flowers white washed rose exterior with crimson markings. 
Western N.W. Yunnan. Mekong-Salween divide. Alt. 
12,000 ft. Lat 289 12’ N. In rhododendron thickets. Shrub 
of 4-8 ft. # lowers flushed rose exterior with crimson markings. 
Forrest No.14,267. July 1017. 
Near Rh. dryophyllum, Balf. f. et Forrest but has elliptic 
leaves. : 
-uqGoRhododendron sino-vaccinioides, Balf. f. et Forrest. 
Fruticulus ad 6 dm. altus nunc epiphyticus laxe vage ramosus 
speciei Vaccinii simillimus. Rami graciles hornotini circ. I mm. 
' diam. squamis pallidis flavido-albidis crasse stipitatis dense 
vestiti, annotini et vetustiores squamarum decapitatarum stipi- 
tibus spadiceis vel fuscis verruculosi. Folia vix petiolata ad 1.5 
cm. longa 7 mm, lata coriacea obovata, apice rotundata paullo 
emarginata mucrone tuberculato in sinu immerso terminata, mar- 
gine albo-cartilaginea plana (in juventute minutissime sparsim 
ciliata), deorsum gradatim ad insertionem angustata ; supra atro- 
viridis nitens obscure discontigue lepidota squamis parvis brun- 
neis inter se circ. 0.5 mm. distantibus, costa media sulcata glabra, 
venis primariis occultis; subtus pallide viridis squamis brun- 
neis distantibus (in quoque mm. quadr. circ. 3-4) punctulata, 
costa. media prominula lepidota. Flores solitarii terminales ; 
pedicelli circ. 1 cm. longi sparsim praecipue apicem versus lepi- 
