PURPLE WILLOW 179 



breadth usually about the upper third. Suddenly and 

 shortly acuminate. Entire at the base ; serratulate along 

 the upper two-thirds, teeth non-glandular, unequally 



Fig. 44. Purple Willow, Salix purpurea, p. 178 (Sc). 



distant. Plane, glabrous, or thick and tough and with a 

 few scattered silky caducous hairs ; shining green above, 

 glaucous and with bluish bloom beneath. Shortly petio- 

 late; stipules often absent, half-ovate. Leaves slightly 



122 



