PIOTANITCAT, GAZETTE 
FEBRUARY, 1893. 
A comparative study of the roots of Ranunculacee. 
FRED. B. MAXWELL. 
WITH PLATES II—Iv. 
(Continued from p. 16.) 
Plates II, Il, [V and VI are printed from defec=— 
tive plates, but issued herewith in order to render 
the articles they accompany intelligible. They will 
be replaced next month by good copies.—Eprrors. 
= 
some point. The material was all dehydrated and hardened 
in alcohol, a Thomas dehydrating apparatus being used. It 
material for my study. The roots of some of the plants were 
So small that the making of good sections was a difficult task. 
Among such roots are those of Anemone Caroliniana, Coptis 
4—Vol. XVIII.—No. 2. 
