338 ERICACEE (Brown), [Grisebachia. 
with cilia 3-1 lin. 
lon wee ... (8) involuta. 
Sepals 1 lin. long, 
with cilia }-12 
lin. long ... (6) velleriflora. 
Sepals 1 lin. long, 
with cilia 4-4 lin. 
hae .. (7) dregeana. 
Young leaves glabrous, 
ciliate with 4-6 sessile 
glands on each margin; 
sepals and their cilia 
each about } lin. long (8) zeyheriana. 
§§ Anthers with awn-like spurs near 
the base: 
Anthers white (the only species 
in which they are so) ... ..« (12) alba. 
Anthers dark-coloured : 
Sepals 1-1} lin. long, rather 
rigidly ciliate with stout 
simple or slightly scabrous 
hairs As vn ... (9) rigida. 
Sepals 4-? lin. long, ciliate 
with hispid hairs : 
Leaves glabrous ;_ sepals 
4-4 lin. broad ... (10) Niveni. 
Leaves puberulous or 
minutely tomentose 
when young; sepals 
not flin. broad _... (11) inecava. 
++ Calyx lobed 4-3 of the way down; tube 
4-angled : 
Anthers without basal spurs : 
Calyx-lobes ciliate and clothed on 
the back with long simple gland- 
tipped hairs; ovary slightly 
pubescent ve see ... (13) hirta. 
Calyx-lobes ciliate and sometimes ‘ 
clothed on the back with long 
hispid hairs ; ovary glabrous... (14) plumosa. 
Calyx-lobes ciliate with simple 
hairs as long as the lobes are 
broad ; ovary glabrous .. (15) pilifolia. 
Calyx-lobes ciliate with stout 
stiff simple or slightly hispid 
hairs not more than } as long 
as the lobes are broad; ovary 
slightly pubescent .... ... (16) solivaga. 
Anthers spurred near the base ... (14) plumosa, var. 8 
** Corolla-tube very cbscurely or not at all 
constricted at any part; anthers with awn- 
like spurs near the base: 
Calyx divided to the base; corolla-tube = 
puberulous outside: glabrous within ... (17) Thunbergii, 
Calyx lobed 4-2 of the way down : 
+ Corolla glabrous outside and within: 
Flowers in globose head-like 
clusters of 6-15 on very short 
axillary branchlets or subses- 
sile at the nodes, not arranged 
in a spike-like manner : 
