18 HuTCHINSON—THE MADDENI SERIES OF RHODODENDRON. 
aa mere ted lepidote well above the base ; calyx lobes usually rather 
* Corolla tube not lepidote outside or only slightly so at the base of 
the lobes 
Some of the calyx lobes connate to above the middle, nearly 
I cm. long ; leaves oblanceolate or cs dane broader 
So the middle ; S.W. B 16. 
All the calyx lobes more or less e ually separa ated, never more than 
6 mm. long; calyx sometimes po ieee ed and undulate: 
Burma and Siam species ; leaves more or ae obovate-oblanceo- 
late, narrowed from about or above the middle to the base, 
obtusely triangular-acuminate at the apex; ovary 5-celled ; 
capsule 3 cm. long ; ye shoots not setose 
Veitchianum. 
Yunnan (and Szechuan ss species; leaves mostly ‘rather acutely 
triangular-acuminate ; ovary usually 6-celled; capsule 
: ose : 
Leaves more or less elliptic, equally pointed to both ends, 
widest at the middle; scales on the lower leaf surface 
more than their own diameter apart; W. Yunnan 
species : ; ; : . 17. ethacalyx. 
Leaves as in previous species ; scales very unequal, less than 
their own diameter apart ; young branchlets very bristl 
(Szechuan ? species) . 18. ps eudociliicalyx. 
Leaves Lethe ec a ‘long-cuneate at the base, widest 
above the middl eaf-scales about their own diameter 
or ‘ae apart ; young branchlets sparingly pee ; aon 
Yunnan species 19. m 
Kweichow species ; leaves oblanceolate or  oblong-oblanceolate, 
shortly rounded-triangular at the apex ; shoots bristly hairy ; 
style — in the lower #; capsule 2: 5cm.long 20. Lyt. 
ee — sae more or less densely lepidote all over the outside or 
own 0 ice. 
tT; eet elliptic or ‘ovate, broadest below or at the middle 
Calyx ciliate; leaves ovate, acutely trian phrcaca minate, 
broadly rounded at the base ; scales on the lower surface of 
the leaves nearly contiguous; flowers white, rosy outside ; 
calyx setose-ciliate ; Yunnan species 21. roseatwm. 
Calyx not or very sparingly ciliate ; leaves elliptic or oblong 
elliptic ; scales laxer on the lower surface of the leaves : 
Leaves more or less rounded to a blunt a apex ; pedicels 
inserted on a softly tomentose “ foot ’ 1.5 mm. long, from 
which they fall off ; flowers white, yellow inside the base ; 
WwW n species ; calyx not ciliate  . 22. lasiopodum. 
Leaves vate abruptly and - aggre acuminate ; pedicels 
without a tomentose “‘ foo flowers white, tinged with 
pink, with — nee & ae inside the ae petals; calyx 
sparingly cili urma ies 3. dendricola. 
+7 Leaves obovate to Tie or aca widest above the middle : 
nce» not linear or much elongated, usually well over 1.5 cm. 
roa 
Lnaeas = fail or white or oe with pink, some- 
es with a yellow spot within the base : 
Corolla 3 densely pubescent-villous all over the tube outside ; 
Siamese speci" 5 og 6p ls 8H. Ludwigianum. 
