28o SALICACEAE 



SALIX — continued 



S. Lapponum. Lapland Willow. 4. April-May. D. Branchlets dark brown, 

 downy, Ls. ov., lane, 3, entire, white or grey below, stipules small or 

 absent. North Europe (including Scotland) and Siberia. (Fig. 128 Q.) 



S.repens. Creeping Willow, i. April-May. D. Creeping by underground 

 stems. Branchlets silky. Ls. lane, i, entire or faintly toothed, dull 

 grey-green above, silvery below. Stamens two. Europe (including 

 Britain) and North Asia. (Fig. 128 P.) 



Variety argentea. Ls. silver-grey on both sides. 



S. viminalis. Common Osier. 20. March-April. D. Ls. linear, 6, entire, 

 dark dull green above, silvery grey below, midrib prominent. Stamens 

 two. Europe (including Britain) and Asia. (Fig. 53 F.) 



{b) Adult Is. hairless, green helow 



S.fragilis. Crack Willow. 90. April-May. D. Bark corrugated. Branchlets 

 at angle of sixty degrees or more, brittle at base, hairless. Ls. lane, 7, 

 toothed, long-pointed. Stamens two. Europe (including Britain) and 

 North Asia. (Fig. iii e.) 



S, herhacea. Dwarf Willow. Prostrate. June. D. Creeping by partly under- 

 ground rooting stems. Branchlets slender, angled. Ls. roundish ov., -J, 

 rounded or notched at end, finely toothed, net-veined. Stamens two. 

 Mountains of Europe (including Britain). 



S. myrsinites. Whortle Willow, i. May. D. Ls. ov., i, finely toothed, 6-10 

 pairs parallel veins. Stamens two. Europe (including mountains of 

 Scotland and Ireland) and North Asia. (Fig. 1 1 1 F.) 



S. pentandra. Bay Willow. 50. May. D. Branchlets brown, hairless; buds 

 yellow. Ls. ov., lane, 4, finely toothed, dark glossy green above, midrib 

 yellow. Stamens five or more. Europe (including Britain) and North 

 Asia. (Fig. iii j.) 



S. phylicifolia. Tea-leaved Willow. 10. April-May. D. Twigs bright chest- 

 nut brown. Ls. ov., 3, slightly toothed or entire, glossy green above, often 

 glaucous below. Stamens two. Europe (including Britain). (Fig. iii G.) 



S. rubra. 20. April. D. Ls. linear, lane, 6, toothed, long-pointed. Stamens 

 two. Europe (including Britain). (Fig. 53 c.) 



S. triandra {S. amygdalina). Almond-leaved Willow. 30. April-May. D. 

 Branchlets angled or furrowed. Ls. lane, 4, toothed. Stamens three. 

 Europe (including Britain) and North Asia. (Fig. 1 1 1 K.) 



(c) Adult Is. hairless, blue-grey or whitish below 



S. babylonica. Weeping Willow. 50. March-April. D. Branches drooping, 

 yellowish, hairless. Ls. lane, 4, long-pointed, finely toothed. Stamens 

 two. China. (Fig. iii L.) 



S. blanda, S. elegantissima, and S. pendidina are forms of this, usually 

 with broader Is. and more spreading habit. 



S. coerulea (S. alba, variety coerulea). Cricket Bat Willow. See S. alba 

 under {a). Cross between S. alba and S. fragilis. 



S. daphnoides. Violet Willow. 40. March. D. Branchlets plum-coloured, 

 downy, brittle. Ls. lane, 4^, leathery, dark glossy green above, blue 

 below, finely toothed. Europe, Siberia, Himalaya. (Fig. 1 1 1 p.) 



I 



t 



