Ann. Mo. Bot. Gard., Vol. 2, 1915 



Plate 15 



p muniiaii yt -\')»M 4ii 1104 m \_*i .,n t*4iv» . , . f ,, 4i A . • , : . _ •jn^h ! t| 



Fig. 1 







Fig. 2 





MERRILL— DISTILLED WATER 



COCKAYNE, BOSTON 



