BALFOUR—NEW SPECIES OF RHODODENDRON. 299 
fimbriate. Corolla usually rose-violet to purple (yellow in 
only two species), lepidote or glabrous outside; tube usually 
a short funnel commonly hairy inside; limb open concave. 
Stamens 5-10 exserted (see two exceptions) with hairy filaments. 
Ovary lepidote sometimes with hairs also ; style glabrous or hairy 
(lepidote in one species), usually longer than stamens and corolla. 
The species that belong to the Lapponicum series are in the 
following list, and I give the geographical distribution of each 
as it is known to us :— 
Rh. achroanthum, Balf. f. Yunnan : pate plateau, 
12,000—13,000 
Rh. alpicolum, Rehd. et Wils. Szechwan : raccgahi: 12,000- 
55 ee. SE: 
Rh. blepharocalyx, Franch. ~ Szechwan: Tatsienlu. 
Rh. capttatum, Maxim. Kansu. 
Rh. chryseum, Balf. f. et Ward. Tibeto - Yunnan _ frontier: 
Ka-gwr-pw Glacier Valley, 
; I3,000-15,000 ft 
Rh. complexum, Balf. f. et Yunnan: Chungtien  pla- 
W. W. Sm. teau, II,000-12,000 ft. 
Rh. cuneatum, W. W. Sm. Yunnan: Lichiang Range, 
E. flank; 12,000 ft.; Li- 
chiang, I1,000-13,000 ft. ; 
Chungtien plateau, 10,000- 
11,000 ft.; N.E. of Yang- 
tze bend, 10,000-11,000 ft. 
Rh. diacritum, Balf. f. et Yunnan: Chungtien  pla- 
W. W. Sm teau, 13,000-14,000 ft. 
Rh. Br dskontii Bak. ©’ et Yunnan: Chung River Valley, 
10,500 ft. 
po Edgarianum, Rehd. et Szechwan: Tatsienlu, 11,000- 
15,000 ft. 
Rh. aceon: Franch. Yunnan: Tali, 11,000—12,000 
ft.; Tali, E. flank, 12,000— 
13,000 ft.; W. flank, 12,000 
ft.; summit of Sung Kweli 
Pass, I11,000—12,000 ft. 
Rh. flavidum, Franch. Szechwan: Tongolo, 11,000- 
13,000 ft. 
Rh. hippophaeoides, Balt. f. Yunnan ; Chung River 
et W. W. Sm. Valley, 10,500 ft.; W. of 
Fengkow: Valley, 12,000 
ft.; Chungtien plateau, 
14,000 ft.; N.E. of Yang- 
tze bend, 11,000—-12,000 ft. ; 
Lichiang Range, 10,000 ft. 
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