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212 PLANTAE CHINENSES FORRESTIANAE. 
minute reticulata. Flores solitarii (vel pauci?) terminales. 
Calyx subscariosus, glaber, alte partitus, segmenta late ovata, 
obtusa, 2-3 mm. longa. Corolla campaniformis, glabra, roseo- 
flava; tubus 2°2-2°5 cm. longus, ca. 2 cm. latus; limbi lobi 
suborbiculares, 1°6-—2 cm. longi et lati. Stamina ca. 10, ima 
basi pilosula ceterum glabra, 2°5-3 cm. longa. Ovarium minute 
glandulosum, stylus glaber. 
*“ Shrub of 3~7 ft. Flowers pinkish-yellow. Open situations 
on mountain meadows on the ascent of the Tsedjiong pass, 
Mekong-Salwin divide. Lat. 28° 10’ N. Alt. 10-11,000 ft. 
June 1904.””. G. Forrest. No. 5069. 
Nearly allied to R. Mussoti, Franch., but distinguished by the 
glabrous (not fimbriate) calyx, the narrower corolla, and the 
glabrous style. 
Rhododendron chasmanthum, Diels. Sp. nov. 
Folia petiolo o'6-1 cm. longo praedita, papyracea, supra 
glabra subtus squamulis brunneis conspersa, ad costam pilosa, 
lanceolata, (superiora) 8-10 cm. longa, 2—3 cm. lata. Corymbus 
terminalis; bracteae lineares, pilosae, deciduae; pedunculi 
squamulosi 2-275 cm. longi. Calycis tubus dense squamulosus, 
lobi triangulares fusci squamulis + destituti, ciliati, 2-3 mm. longi. 
Corollae tubus infundibuliformis extus squamulosus ca. 2-2°5 cm. 
longus, mox apertus, limbus amplus lobis quam tubo longioribus 
expansis ca. 5—6 cm. latus. Stamina (ca. 8 ?), exserta, curvata, 
basi pilosa, superne glabra, 3-4 cm. longa. Ovarium dense 
lepidotum. Stylus 3°5-4 cm. longus. 
“ Shady, rocky situations on the Mekong-Salwin divide to the 
north-west of Tsekou. Lat. 28° 10’N. Alt. 10-12,000 ft. Sep- 
tember 1904. S.E. Tibet.” G. Forrest. No. 513. 
From the same district (Monbeig, in Herb. Kew ! ) 
The material is rather scanty. The species is recognised by the 
very open corolla, the scaly calyx and corolla tuke, and the 
narrow leaves. 
Rhododendron dichroanthum, Diels. Sp. nov. 
Frutex I-2°5 m. altus. Folia coriacea, supra glabra, incon- 
spicua,rugulosa subtus strato tenui tomentello glauco-albo vestita, 
oblonga, anguste elliptica, oblanceolata vel obovata, sensim in 
petiolum dilatatum angustata, apice calloso-mucronulata, cum 
petiolo 5-10 cm. longa, 1°3~4 cm. lata. Flores 2-5-ni; bracteae 
late ovatae, acuminatae, pallide fuscae, antrorsum tenuiter 
lanuginosae, deciduae, pedunculi puberuli 1°6-2°5 cm. longi. 
Calyx valde variabilis, lobi nune obsoleti nunc conspicue evoluti 
(ad 12 mm. longi) rotundi, demum decidui. Corolla carnosa, 
aurantiaca vel luteo-rosea, campanulata, glabra; tubus 2-5-3 
