PLATE IX 



ta Dwarf Sumach. l66. C/a) 

 io. Sweet Gale. 167. f/s) 

 51. Baybeny. 168. {'/«) 



52. Sweet Fern. 169. (2/,) 



53. Low Birch. 170. (Va) 



54. Smooth Alder. 172. (Vi) 



297 



