DIAGNOSES SPECIERUM NovVARUM. 253 
tions and on cliffs. Shrub of 2-3 ft. Flowers yellow. Forrest 
No. 17,866. May 1910. 
Western Yunnan. Shweli-Salween divide. Lat. 25° go’ N. 
Alt. 11-12,000 ft. Amongst scrub in rocky gullies. Shrub of 
2-3 it. Flowers greenish yellow. Forrest No. 18,152. June 
IQIQ. 
N.E. Upper Burma. Farrer No. 861. 
A remarkable species of the phylum of Rh. Boothii, Nuttali 
easily distinguished by its setulose stems, its smaller flowers 
glabrous inside, its short pedicels like the calyx and corolla out- 
side coruscating with shiny yellow scale-glands which become 
afterwards bright red as does the whole calyx under fruit. 
Rhododendron cremnastes, Balf. f. et Farrer. 
Suffrutex lignosus parviflorus prostratus breviter intrica- 
timque ramosus vix I dm. altus incrementa annua vix 1 cm. longa 
fingens. Rami hornotini vix 1 mm. lati squamis stipitatis de- 
mum decapitatis spadiceis imbricatis involuti, vetustiores nigri- 
cantes stipitibus dense rugulosi. Alabastrorum perulae lineari- 
lanceolatae acuminatae carinatae lepidotae sparsim setuloso- 
ciliatae. Folia petiolata ad 2 cm. longa; lamina crasse coriacea 
obovalis circ. 1.8 cm. longa 8 mm. lata, apice rotundata mucrone 
rubro tuberculato terminata, margine paullo recurva (in juventute 
setulis paucis rarius praedita), deorsum gradatim in petiolum 
angustata; supra laete viridis opaca laevis squamis siccis plus 
minusve spadiceis latis superficialibus fere contiguis induta, costa 
media sulcata rubida, venis primariis occultis; subtus primo al- 
bida nitida squamis albidis imbricatim vestita demum subviridis 
et brunneo-tincta squamis uniformibus impressis nitidis spadiceis 
partim discontiguis (intervallo pallide viridi quam squam- 
arum diametrum minore) lepidota, squamis omnibus _latis 
quaqgue ex umbone rufo-infiltrato lato saepe annulo intensius 
colorato cincto et semper instita aequilata integra aedificata; 
petiolus circ. 2.mm. longus dense squami-verruculosus. Flores 
solitarii terminales; bracteae sub anthesi plus minusve persis- 
tentes pedicellos ad basim cingentes, intimae cire. 5 mm. longae 
4 mm. latae late ovatae apiculatae lepidotae et ciliatae; pedicelli 
cire. I cm. longi inter folia immersi tenues stricti squamis stipi- 
tatis dense verruculosi. Calyx cupuliformis circ. 4.5 mm. 
longus flavo-viridis nunc partim rubro-tinctus ultra medium 5- 
‘fissus; cupula cire. 1 mm. longa; lobi inaequales omnes sub- 
rotundati extus lepidoti squami-ciliati, posticus major circ. 3.5 
mm. longus 2.5 mm. latus, anterolaterales circ. 2 mm. longi 1.5 
mm. lati. Corolla pallide rosea minute maculata rotata sub- 
zygomorpha circ. 1.4 cm. longa (expansa 2.5 cm. diam.) ; 
tubus circ. 3 mm. longus intus sparsim puberulus ; limbus extus 
