/6 Capsules on pedicels .7-2 mn. long 7. S- lutea 
§ S- Yackenziana 
[om 
/io Capsules on pedicels 2-4 mn. long 
~ 
. 2b Leaves typically green beneath, sometimes paler 
Fe 
4 Petioles provided with a pair of wart-like glands 
al 
@ towards the base of the blade; stamens 5 9 5S. caudate 
4 Petioles eglandular 
( Leaves thin, pure green, these and the branchlets 
}p glabrous from the bud 
2 Stamens joined 1/3 to 2/3 their length; pedicels 
i> of pistillate flowers 2.5-4 mn. long 10. Se monochrome | 
?, Stamens free; pedicels of pistillate flowers ‘ 
|}Q1-1.5 mn. long YW. Ss psoudomyrsiniteg! 
q 
q 
; 
4 
6 Leaves asi dh mene or less leathery, dull, these and the 
/o twigs wooly, becoming glabrous j.. Se commtata 
% sat A —— 9 
i ) |b, Leaves hairy, at least beneath F 
a 
w 2 93a.Twigs conspicuously covered with a white bloom; stamens 2 
4| Styles wanting or practically so; catkins mostly 1-1.5 cm. 
/ long; leaves tending to be silky on both surfaces, the 
| 
\ 
\ midveins pubescent IZ, Se geyeriana 
oi f 
A \ 
- 
4 Styles 1-1.5 mm. long; catkins commonly 2-4 om. long; 
P / leaves green on the upper surface, satiny white beneath, 
- the midveins glabrous 
& Bracts thinly hairy, brown; catkins appearing with i 
ARAM Thy | 
/Q the foliage J4, Se_subdcacrulea 
iP Bracts densely MOOT Yano one catkins appearing before i 
j/Q the leaves 15 Se bella 
34.Twigs glabrous or pubescent 
44 Leaves prevailingly 5-10 mm. wide; stvles short or none; 
w & capsules hairy 
( Catkins commonly 1-1.5 cm. long;capsules on pedicels 
2-2.5 mn. long; twigs glabrous; stamens 2 13 5. Myeriana woe 
—— 
