Fig. 42 



Fig. 43 



Fig. 40. White Willow. [S. alba, L.] 

 r ig. 41. Yellow Willow. [S. a., vitelllne, S. and B.] 

 a. Young leaf. b. Mature leaf. 



Fig. 42. Weeping Willow. [S. Babyldnica, Tourn.J 

 Fig. 43. Crack Willow. [S. fragilis, L.] 



NATURAL SIZE. 



