TEA-LEAVED WILLOW 293 



below. Undulate dentate, or crenate-serratulate with 

 rather coarse rounded teeth, or entire. Deep green and 

 reticulate above, hardly shiny, pubescent when young, 

 becoming glabrous above ; usually glabrescent beneath, 

 with a few hairs on the venation, or bluish-glaucous and 

 paler, with greener margins and apex. Blackening when 

 dried. Petiole up to 2 cm. long, more or less velvety- 

 pubescent. Stipules obsolete or broad and toothed, half- 

 cordate. There are no stomata on the upper surface. 

 Autumn leaves yellow. 



Venation pinnate-reticulate, the 6 12 distinct curving 

 secondaries lost in the mesh work before reaching the 

 serrate margin, and often looping just beneath it. Long 

 axes of the meshes oblique. Tertiaries numerous, leaving 

 the outer sides of the secondaries at acute angles, the 

 inner at obtuse angles, and forming cross-ties : secondaries 

 leaving the midrib at open angles, rather distant, long, 

 strong, those in the middle of the leaf but little weaker 

 than the midrib above. Tertiaries also somewhat strong, 

 and venation therefore prominent below. 



[The leaves of the Pear (p. 274) and of Salix purpurea 

 (p. 178) also blacken on drying.] 



Shining green above, not black on 

 drying: stipules small or obsolete. 



S. phylicifolia, L. Tea-leaved Willow. Small shrub, 

 very variable, the downy young shoots and usually distant 

 leaves becoming glabrous. Leaf 3 6 cm. (2 9 x 0'6 4*5 

 cm.), ovate, elliptic or oblong-ovate to obovate, obovate- 

 lanceolate, or lanceolate, cuneiform at the base, 2 3 times 

 long as broad ; acute or acuminate or even gutter-pointed, 

 entire or feebly distant toothed or crenate-serrate or en- 

 tire. At first slightly pubescent, then glabrous, firm, deep 

 shining green, furrowed but not wrinkled, and shining 



