av 
120 BALFOUR—NEW SPECIES OF RHODODENDRON. 
the midrib). Then the hair-cilia and bristles of the margin are 
most regularly placed. The peltate scales are about equally 
distributed on the upper and under surfaces, and these, as on the 
stems and elsewhere where they occur, have the form of flat 
white disks recalling rather those of the Heliolepis series than 
of the Triflorums. In the flower the calyx gives a diagnostic 
mark utilised for the name of the species in the white peltate 
scales disposed close-set along the rim of the lobes forming a 
white necklace-like band around the base of the corolla which 
: og Ppa us all over outside. As a plant of cultiva- 
n Rh. hormophorum is likely to be hardy but does not give 
ee - greater or less attractiveness than many others of 
its series. 
Rhododendron hypophaeum,* Balf. {. et Forrest.¢ (Triflorum.) 
A shrub about 1.5 m. high with thin branches of short annual 
growths divaricating pseudo-dichotomously to form zigzag axes. 
Twigs a year old about I mm. in diameter (after 8 years some 
4mm. only) finely puberulous and lepidote distantly with orange- 
coloured small scales, older twigs blackish-grey. Foliage-buds 
not clustered on either vegetative or flower shoots small narrowly 
ovoid about 5 mm. long ; outer scale-leaves crustaceous rounded 
* éndépatoc, somewhat grey—in allusion to the colour of foliage. 
Fo 
Folia petiolata ad 6 cm. longa; lamina chartacea lanceolata vel ovali-lanceola s 
acuta, margine J Gian basi late cuneata ; supra olivacea opaca laevis dis- 
contigue lepidota et sparsim puberula, costa media sulcata puberula, nervis 
primariis shag ai circ. 7 fere occnltis ; subtus pallidior griseo-viridis copiose 
lepidota -brunneis, costa media straminea puberula 
longus'su catus p mbellae ieee solitariae terminales 
vel St cae bractenbe extetanes rotundatae crustaceae lepidotae et albo- 
ciliatae, intimae fertiles oblongo-spathulatae vel subobovatae 1 cm. longae 6 mm. 
latae basi membranaceae erectae supra reflexae cucullatae extus lepidotae ; 
bracteolae lineares pedicellis longiores lepidotae et pilo-cristatae ; pedicelli 8 
mm. ae copiose lepidoti epilosi. Calyx parvus circ. 1.5 mm. he a 5-lobus 
i ; lobi mem 
circ longi. 
zygomorpha 2 cm. longa extus sees epilosa 
intus puberula; tubus sefescidl Baltociie. lateraliter compressus postice bisul- 
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stylus validus glaber vel ad basim pilos paucos gerens sub stigmate pores dila- 
tatus; stigma parvum. Capsula cylindrica circ. 1 cm. longa 3 mm. diam. 
lepidota. 
4 
