244 THY MELAEACEAE. 
DAPHNE. Mezereon. 
(Family Thymelaeaceae). 
Small shrubs: evergreen or de- 
ciduous. Twigs moderate, rounded 
or somewhat 4-sided: pith small, 
roundish, continuous. Buds _ ses- 
sile, usually solitary but some- 
times superposed or collaterally 
branched, ovoid, with 4 or some 
half-dozen exposed scales. Leaf- 
scars opposite or the pairs widely 
separated in 4 ranks, crescent- 
shaped, small, exceptionally ele- 
vated: bundle-trace 1: _ stipule- 
scars lacking. 
Winter-character references: — 
Daphne alpinum. Schneider, f. 118, 
D. Mezereum. Bosemann, 75; 
Schneider, f. 118; Willkomm, 29, 
f. 36; Zuccarini, 26, pl. 14. 
A peculiar white-dotting of the 
lower surface of the leaf in some 
of the species is shown to be 
caused by groups of granular cells surrounding the stomata. 
1. Leaf-scars raised: twigs pubescent. (1). D. Genkwa. 
Leaf-sears low: twigs glabrate, or habit low. 2. 
2. Deciduous. 3. 
Evergreen. 5. 
3. Twigs staring pubescent and glandular. (2). D. alpina. 
Twigs glabrate. 4. 
4. Twigs buff-olive. D. Mezereum. 
Twigs red, quite glabrous. D. altaica. 
5. Leaves large (2X8 cm.): bushy. D. Laureola. 
‘Leaves small (.5x2 cm.): spreading or prostrate. 6. 
6. Glabrous: somewhat bushy. D. Blagayana. 
Twigs crisp-puberulent: trailing. (3). D. Cneorum. 
