BALFOUR—NEW SPECIES OF RHODODENDRON. 113 
dotus supra sulcatus sulco puberulo. Flores in racemo-um- 
bellas terminales 5~7-floras dispositi rhachi circ. 7 mm. longa 
lepidota et puberula; bracteae ignotae ; . bracteolae lineari- 
clavatae subaristatae brunneae circ. 8 mm. longae pedicellis 
breviores dense pilosae sparsim lepidotae; pedicelli 1-r.5 cm. 
longi stricti erecti epilosi dense lepidoti. Calyx crateriformis 
circ. 2 mm. longus extus dense lepidotus, lobis 5 circ. r mm. 
longis late triangularibus vel semilunatis plus minusve ciliatis. 
Corolla campanulata circ. 2.4 cm. longa atro-violacea postice 
viridi-maculata extus dense lepidota intus dense puberula, lobis 
circ. I.2 cm. longis 1 cm. latis subovalibus apice rotundatis 
crenulatis interdum emarginatis. Stamina 10 inaequalia 
longiora 2.2 cm. longa corolla paullo breviora antheris circ. 
2.5 mm. longis breviora circ. 1.2 cm. longa antheris 1.5 mm. 
longis, filamentis basi nuda vix 1 mm. longa expansis sursum ad 
apicem tubi corollini villosis superne glabris. Discus puberulus 
circ. I mm. longus. Gynaeceum circ. 1.7 cm. longum staminibus 
longissimis brevius ; ovarium cylindrico-conoideum sulcatum 
circ. 4.5 mm. longum dense imbricatim lepidotum epilosum ; 
Stylus ruber glaber circ. 1.2 cm. longus apice sub stigmate 
atro-purpureo lobulato clavatus. Capsula oblonga circ. 1.5 cm. 
longa 4 mm. diam. lepidota. 
Species Rh. brevistylo, Franch. et Rh. pholidoto, Balf. f. et 
W. W. Sm. affinis ab illa foliis subcrasse coriaceis basi rotundatis 
vel cordulatis, calyce extus epiloso, corolla viridi-maculata, 
©vario epiloso, stylo glabro distinguenda, ab hac foliis majoribus, 
pedicellis brevioribus, calyce extus epiloso, corolla viridi- 
Maculata, ovario epiloso recedit. 
N.E. Yunnan. Plateau of Te-ma-Tchouan. Alt. 3200 m. 
Flowers violet. July. Maire. No. 224. In Herb. Edin. 
N.E. Yunnan. Summit of Io-chow. Alt.3400m. Flowers 
sombre violet. June. Maire. No. 62. In Herb. Edin. 
This is a representative in N.E. Yunnan of the Heliolepis 
Series, which is spread in several species over regions more to 
the west, as the following table shows :— 
Rh. brevistylum, Franch. (1898). W.N.W. Yunnan: Mekong 
Valley, Mt. Sela. (Soulié.) 
cr. tipet-.. woker La, 
11,000~12,000 ft. (Ward.) 
Rh. Sumidum, Balt. f. et W. W. N.E. Yunnan: Te-ma- 
m. (1917). Tchouan and _ lo-chow, 
10,000 ft. (Maire.) 
Rh, heliolepis, Franch. (1887). E.N.W. Yunnan: Hoking, 
? 8000 ft. (Delavay) ; Koua- 
la-po, 11,000 ft. (Delavay.) 
