Black Willow 





(a) Winter twig, x 2^', (b) Twig, enlarged; (c) Leaf, x 2^\ 

 (d) Staminate flowers, x 2/3; (e) Pistillate flowers, x 2/^. 



Peaghleaf Willow 



(a) Twig with leaves, x 2/^; (b) Fruit, x 2/^; (c) Pistillate flower, x 4; (d) Staminal 



flower, X 4. 



[132] 



