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DIAGNOSES SPECIERUM NOVARUM. 265 
Jata ad 5 cm. longa per annos 3-4 persistentia in pseudo-verticellos 
disposita ; lamina crasse coriacea obovata ad 4 cm. longa 2 cm. 
lata, apice subrotundata obtusa mucrone tuberculato conspicuo 
terminata, margine cartilaginea paullo recurva, deorsunr attenu- 
ata; supra olivacea opaca glabra (in juventute pilis floccosis albis 
plus minusve praedita), costa media sulcata, venis primariis 
utrinsecus circ. 8 conspicue impressis; subtus indumento uni- 
strato crasso persistente lanato alveolato primo fulvo demum (in 
specimine nostro) fuliginoso-cinereo (quasi mycophyllon) e pilis 
(axe longo multiramoso) intertextis constructo vestita, costa media 
prominula flavida glabra; petiolus ad 1 cm. longus ruber in- 
crassatus quasi vaginans. Umbella 4-flora; pedicelli circ. 2 cm. 
longi virides setuloso-glandulosi superne sub calyce incrassati. 
Calyx cupularis a cupula brevissima basali in limbum amplum 
coloratum inaequaliter et irregulariter 5-lobatum subzygomor- 
phum 1.2 cm. longum deciduum glabrum expansus. Corolla 
kermesina ? emaculata tubuloso-campanulata 3.5 em. longa car- 
nosula gibbosa extus intusque glabra 5-loba ; lobi rotundati paullo 
emarginati circ. 8 cm. longi 1.3 cm. lati. Stamina ro brevia 
subaequalia circ. 1.7 cm. longa; filamenta basi minute et spar- 
sim puberula. Discus glaber. Gynaeceum circ. 2.4 cm. 
longum ; ovarium conoideum truncatum sulcatum 4 mm. longum 
pilis ascendentibus multiramosis. tomentosum; stylus glaber ; 
stigma lobulatum lobis patentibus 
S.E. Tibet. sarong. Siiveed’ Kinehiang divide. Forrest 
No. 20,287. ~192r. ‘ 
A species of the Sanguineum Series. In technical characters 
perhaps nearest to Rh. roseotinctum, Balf. f. et Forrest but 
easily told by its persistent clothing of leaf bud-scales and by its 
large calyx. 
Rhododendron hylaeum, Balf. f. et Farrer. 
Arbor magna 12 m. alta libro laevi nudo. Rami ultimi crassi, 
hornotini glandulis ovoideis fere sessilibus dense rubro-glandu- 
losi, annotini circ. 7 mm. diam. glabri. Alabastra fusiformia ; 
perulae extimae parvae crustaceae orbiculares vel rotundatae 
carinatae apiculatae imbricatae dorso puberulae intus ad apicem 
albo-sericeae, intimae ad 5 cm. longae submembranaceae superne 
obovato-spathulatae deorsum in petiolum gradatim angustatae 
extus glabrae intus panno circumscripto albo-sericeo ad apicem 
praeditae; folia juvenilia revoluta supra sparsim setulosa et 
breviter .glandulosa, subtus glabra. Folia petiolata ad r4 cm. 
longa ; lamina coriacea oblonga vel anguste oblongo-ovalis ad 12.5 
cm. longa 4 cm. lata, apice obtusa vel subrotundata mucrone 
hydathodali brevi coronata, margine tenuiter cartilaginea laevis, 
basi subauriculata; supra olivacea opaca glabra, costa media 
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