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ELEMENTS OP STKUCTURAL BOTANY. 



98. Marsh Calla. This plant must be looked for 

 in low, marshy grounds, where it will be found in flower 

 generally in the month of June. With the knowledge 

 which you have of the structure of Indian Turnip, you 



Fig. 98. 



Fig. 99. 



will hardly doubt that the Calla is closely related to it. 

 You will easily recognize the spadix and the spathe 

 (Fig. 98), though in the present instance the spadix 

 bears flowers to the top, and the spathe is open instead 

 of enclosing the column. Observe, however, that the 

 veining of the leaf (Fig. 99) is different, that of Calla 

 being straight, like the Dog's-Tooth Violet. There is 

 also a difference in the flowers. Those of Indian Turnip 

 were found to be dioecious, but the spadix, in the present 



Fig. 98. Spadix and spathe of Marsh Calla. 

 Fig. 99. Leaf of the same. 



