Narrowleaf Cottonwood 







(a) Twig with leaves, x 2/^; (b) Different form of lea . 

 (c) Twig with winter buds, x 2^. 



Lanceleaf Cottonwood 



a. Twig with winter buds, x 2/^. 



b. Twig with leaves, x 2/^. 



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