3R6% 
DIAGNOSES SPECIERUM NOVARUM. 263 
utrinsecus circa 12 obscuris; subtus helvola opaca indumento 
persistente molli laevi obscure vestita, indumenti pilis rosulatis 
aliis brevibrachiatis patentibus aliis longibrachiatis et inter- 
textis; petiolus circ. 1 cm. longus ut ramuli indutus. Inflores- 
centia breviter racemoso-umbellata circa 10-flora, rhachi puberula ; 
bracteae bracteolaeque mox deciduae ; pedicelli ad 1.3 cm. longi 
pilis tortuose ramosis dense vestiti. Calyx carnosulus pallidus 
cupuliformis circ. 1 mm. longus lobis 5 rotundatis glabris. 
Corolla roseo-suffusa kermesino-maculata infundibuliformi-cam- 
panulata circ. 3 cm. longa genitalia superans extus glabra intus 
minute puberula; lobi 5 late patentes breves rotundati circ. 1 
em. longi 1.8 cm. lati emarginati. Stamina 10 inaequalia, 
longiora circ. 2.5 cm. longa, breviora circ. 1.3 em.; filamenta 
basim versus puberula. Discus sub ovario dense puberulus. 
Gynaeceum circ. 2.5 cm. longum corolla brevius; ovarium an- 
gustum sulcatum truncatum pilis tortuose ramosis glutinosis 
saepe tubiginosis sparsim indutum, apice breviter pilo-crista- 
tum; stylus glaber. Species Rh. dryophiito affinis. 
astern N.W. Yunnan. Mts. N.E. of Chungtien. Lat. 28° 
N. 12-13,000 ft. In rhododendron forests. Shrub of 6-9 ft. 
Flowers flushed rose with crimson markings. Forrest 17,784. 
Aug. 1918. 
Eastern N.W. Yunnan. On the Chungtien plateau. Lat. 
27° 40’ N. Alt. 11,000 ft. Open pine forests. Shrub of 6-9 
ft. Flowers flushed rose, deepest round margin, with crimson 
markings. Forrest 14,041. June ror1o. 
Allied to Rh: dryophyllum but the crested floccose ovary 
distinguishes it. See also Rh. aiolopeplum, Balf. f. et For- 
rest on a preceding page. The corollas are inordinately full of 
insects. 
Rhododendron hesperium, Balf. f. et Forrest. 
Frutex ad 2.5 m. altus. Ramuli tenues breviter virgati, 
hornotini circ. 1 mm. diam. glauco-purpurei epilosi sparsissime 
lepidoti, annotini rubro-purpurei demum albido-caerulei ad 2 mm. 
diam. Folia ad 6.5 cm. longa petiolata viridia deinde saepe 
aureo-colorata; lamina chartacea oblongo-ovalis ad 5.5 cm. longa 
2 cm. lata, apicem versus plerumque paullo attenuata subacuta 
mucrone inconspicuo terminata, margine plana, basi cuneata vel 
obtusa; supra olivacea nitida minute reticulata glaberrima, costa 
media erubescente sulcata, venis primariis utrinsecus circ. 6—5 
paullo elevatis ; subtus pallide viridis squamis parvis distantibus 
(x.5-2 mm.) annulo aureo et instita minutissima notatis, costa 
media straminea nunc erubescente elevata glabra, venis primariis 
subrubidis ; petiolus cire. 1 cm. longus supra sulcatus et lepido- 
tus subtus glaber. Flores fragrantes in umbellas 3~4-floras ter- 
