282 BALFOUR—RHODODENDRON : 
In some features specially forth of foliage this species resembles 
Rh. lithophilum, Balf. f. et Ward from Burma but the Burmese 
plant has an underleaf indumentum without hairs and of only 
a few far scattered scales and its pedicels and calyx want the 
copious covering of bristly curling hairs forming a wool in kh. 
oulotrichum., 
arrer’s plant is I believe this species but the material is very 
slight. 7 
Rhododendron papillatum, Balf. f. et Cooper. 
Frutex sub umbra Abietis crescens. Rami annotini 2.5 mm. 
diam. purpurei indumenti vestigiis notati glabrescentes. Ala- 
bastra anguste ovoidea pilis brevibus induta et glandulis viscida. 
Folia petiolata 11 cm. longa; lamina Sine oblongo-ovalis vel 
anguste obovalis 9.5 cm. longa 3 cm. lata, apice acuta mucrone 
rostratim terminata, margine Lor lbliaes asperata plana vel 
paullo recurva, basi date obtusa ; supra olivacea nunc purpurata 
laevis opaca olivacea glabra sed vestigiis obscuris indumenti 
juvenilis notata, costa media sulcata erubescente, venis primariis 
utrinsecus circ. 15 occultis; subtus flavida, costa media sparsim 
floccosa venisque primariis elevatis, reticulo ultimo prominulo, 
papillis epidermicis petasiformibus praedita, ubique pilis sim- 
plicibus et pilis compositis paucioribus grosse et breviter rubro- 
stipitatis rosulatim ramosis indumentum tenue ut velum trans- 
lucens aedificantibus obtecta; petiolus circ. 1.5 cm. longus ut 
rami vestitus. Umbella racemosa circ. 8-flora, rhachi vix 2 cm. 
longa ; bracteolae styliformes 6 mm. longae pilosae; pedicelli 
cire. 1.5 em. longi dense glandulosi (glandulis stipitatis) et 
sebaceo-pilosi. Calyx carnosulus 3 mm. longus ad medium 5- 
lobatus; lobi rotundati margine glandulosi. Corolla pallide 
flavido-alba roseo-maculata et varo magno basali decorata sub- 
zygomorpha campanulata circ. 3.5 cm. longa extus intusque 
glabra, gibbosa, 5-loba ; lobi rotundati emarginati I cm. longi 1.7 
cm. lati. Stamina 10 inaequalia, longiora circ. 3 cm. longa, 
breviora circ. 2 cm. ; filamenta deorsum dilatata dense puberula. 
Discus puberulus. Cy meccin 4.5 cm. longum corolla longius ; 
ovarium conoideum sulcatum truncatum circ. 8 mm. longum 
dense setuloso-glandulosum et pilis fasciatis obtectum; stylus 
longus exsertus glaber; stigma lobulatum  subdiscoideum. 
Species Seriei Irrorati. 
Bhutan. Bela Djang Pass. Alt. 10,000 ft. Bush Rhododen- 
dron under Abies. Flowers pale cream, pink spots and blotch 
inside. R.E. Cooper. No. 3885. 10. S15. 
a A a nearly allied to Rh. Kendrickii from which it differs 
a and can be recognised at sight by the broader and shorter oblong- 
