DIAGNOSES SPECIERUM NOVARUM. 283 
oval leaves which have a thin underleaf indumentum arising 
amidst the dome-shaped papillae of the epidermis, by the glandu- 
lar pedicels, the puberulous stamens and the densely glandular 
ovary with very long style. 
Rhododendron phaedropum, Balf. f. et Farrer. 
Arbor parva 4-5 m. alta. Rami ultimi tenues elongati rect, 
annotini circ. 2 mm. diam. vestigiis tomenti pilosi albidis notati. 
Alabastra tenuia elongata ad 3 cm. longa; perulae aciculares a 
basi brevi rotundatae sursum in caudam carinatam longam pro- 
longatae. Folia petiolata ad 15 cm. longa; lamina crasse coriacea 
rigida lanceolata vel elongato-oblonga ad 13.5 cm. longa 2.5 em. 
lata, apice acuta mucrone apiculato longo terminata, margine 
cartilaginea paullo recurva, basi attenuata anguste obtusa ; supra 
pallide viridis laevis glabra, costa media anguste sulcata; venis 
primariis utrinsecus ad 18-20 vix visis ; subtus laevis griseo-alba 
papillis epidermicis ceriferis ubique, (costa media elevata excepta 
pilis paucissimis forsan praedita?) argute vestita demum ful- 
vescens, venis primariis occultis ; petiolus ad 1.5 cm. longus pur- 
purascens ut rami vestitus. Umbella circ. 8-flora ; bracteolae 
lineares acutae a basi glutinoso-pilosae et sparsim setuloso- 
glandulosae circ. 1 cm. longae ; pedicelli 1-1.5 cm. longi setuloso- 
glandulosi ad apicem incrassati. Calyx cupularis parvus ad 3.5 
mm. longus; cupula atro-kermesina sparsim setuloso-glandulosa ; 
lobi 5 inconspicui membranacei brunnei rotundati vel semilunati 
dorso glabri margine leviter setuloso-glandulosi. Corolla 
tubuloso-campanulata circ. 4.5 em. longa coccinea basi gibbosa 
ibique nectarifera et varis 5 atro-kermesinis notata ; lobi rotund- 
ati emarginati circ. 1.5 cm. diam. Stamina 10 inaequalia, 
longiora circ. 3.5 cm. longa, breviora circ. 2.5 cm.; filamenta 
glabra. Discus puberulus. Gynaeceum corollam subaequans ; 
ovarium conoideum sursum attenuatum glandulis rubris breviter 
stipitatis et pilis albidis fasciatis intermixtis dense vestitum; 
stylus basi stipitato-glandulosus; stigma parvum. Species 
Seriei Neriiflori. 
N.E. Upper Burma. Nyitadi. Alt 9,000 ft. A fairly large 
tidy tree 15 ft. in the middle alpine woodland. Foliage very 
glaucous on the reverse; flowers most beautiful, in shades of 
salmon-rose and light scarlet, scentless with glandular pedicels 
and deeper touches of colour in the folds of the lobes. Rare in 
the lower alpine woods of the Chawchi Pass but on the Maguchi 
very abundant right out over the open hillsides from 10-11,000 
ft. Colours in all shades from straw-yellow to crimson with 
flaked and picotee forms. Most glorious Farrer No. 1530. 
z6th Sept., 1920. 
