Herbarium catalogue

Rhododendron mesopolium, Balf. f. et Forrest. ti Metee Ya G. He. XIN (192 0) ST Frutex ad .5 m. altus. Rami nodulati, annotini glabre- scentes vestigiis indumenti juvenilis albidis notati et pediculis siccis glandularum facie setuliformibus sparsissime conspersi. Perulae fugitivae. Folia petiolata ad 6.5 cm. longa; lamina oblonga vel angustissime obovata ad 6 cm. longa 2 cm: lata; apice rotundata vel late obtusa apiculato-mucronata, margine vix recurva, basi obtusa saepe inaequalis ; supra olivacea glabra opaca, costa media venisque primariis utrinsecus circ. 11 sulcatis ; subtus brunneo-grisea quasi punctulata indumento tenui arach- noideo praedita, venis primariis erubescentibus ; petiolus circ. 5 mm. longus ut rami indutus. Umbella 2-4-flora; pedicelli <,. vix 1.5 cm. longi floccosi glandulosi glandulis longe stipitatis._ Calyx ad-4 mm. longus ; lobi ovales obtusi flavido-virides sub- membranacei recurvi glabri (margine breviter sebaceo-ciliato xo] excepto). Corolla pallide rosea campanulata circ. 3 cm. longa Md glabra; lobi rotundati emarginati. Stamina 10 inaequalia © corolla paullo breviora gynaeceum subaequantia; filamenta 8 puberula. Discus glaber. Gynaeceum corolla paullo brevius ; . ovarium pilis ascendentibus longis ramosis dense obtectum ; a stylus glaber. Species Seriei Sanguinei. = S.E. Tibet. Tsarong. Doker-la.. Forrest. 16,751. July- S Aug. 1918. 8 Aad Points:-\ Puberulous stamens Separate it from RH. CLOIOPHORUM as does glandular pedicels. Calyx-lobes glabrous and only ciliate separate from RH. ROSEO-TINCTUM with other characters as does glandular pedi- cels. Further arachnoid underleaf indumentum separates from RH. wm POYAT oan a ¥ VO IT RT my ter XANTHOCHITON and from RH. ROSEO-TINCTUM as well as other characters. Poy . btAn ISOTYPE : Vater flag MA boned. Fd beg west (142 o) ach ass aii oo sealant ekg 4 ROYAL BOTANIC GARDEN eo wo 0040