PLATE 10 



Fig. 1. Germination of the mierospore. Collected November 5, 1913. 



Fig. 2. Adjacent walls of two locules of a mature anther just before de- 

 hiscence. A layer of small cells has been formed which cuts across the walls of 

 both locules to assist in effecting dehiscence. Collected March 7, 1915. 



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