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The Ohio Journal of Science [Vol. XIX, No. 3, 



to recover. The data are, therefore, somewhat complex, 

 including, beside the effects of the eruption proper, secondary 

 effects partly direct consequences of it and partly subsequent 

 restorative reactions of the plants. It will be advisable, first, 

 simply to describe the present condition of the vegetation, 

 after which some attempt may be made to analyze the data 

 with a view of ascertaining what occurred in the eruption and 

 what reactions the plants have made since. 



Photograph by R. F. Griggs 



IN MANY CASES LARGE TREES PERISHED WHERE SMALL ONES 



SURVIVED. 

 See text page 199 for explanation. 



