Griccs: THE SUGAR GROVE FLORA 489 
in the country large enough in itself to supply the data for a 
rough approximation of the range of even our better known species. 
He who would accumulate information of this sort must visit half 
a dozen herbaria to get even a general view of the ranges of our 
common plants. Recourse must also be had to numerous local 
floras, where such are available, and the correctness of their 
identifications must be taken on faith. Moreover even our best 
known species have not been collected enough as yet to supply 
ieee ON We ey 
7 is ° 
[ 4 BOE | OER 
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Lena sae 
aicions' 
Distribution of Lycopodium in Ohio. 
; 4. L. lucidul 
: 4 L. aida propia 
3. L. inundatum. obs 
