THE ASPEN 



227 



Fig. 68. Aspen, Populus tremula. 1, dwarf shoots bearing a $ catkin; 

 2 and 3, $ flowers from below and in profile; 4, a ? catkin; 5 and 6, 

 flowers from below and in profile ; 7, capsule ; 8, fruiting catkin ; 

 9, dehiscing capsule; 10, seed; 11, foliage, p. 226 (Wi). 



152 



