876 THE AMERICAN NATURALIST. | [Vor. XXXVI. 
EXPLANATION OF PLATES. 
Leaves are numbered in order of their development, except below the flower, — 
there, in the reverse order. c — cotyledons. 
Figures drawn from nature by the writer. 
PLATE I. 
Viola pedata L. 
IG. I. First leaf of spring growth of plant one year old. Found in middle of 
old woods road-dry soil. 
Fics. 2, 3. Second and third leaves of same plant. XI. 
S. 4, 5. First leaves of spring growth of plants found at side of same road 
in slightly more favorable conditions. Plants small and evidently weak. XI. 
Fic. 6. First leaf of slightly stronger plant in same place. I. 
a 7-9. First leaves of decidedly stronger individuals in better situa- 
xt. 
me 10, r1. First leaves of thrifty ub mo more than one year's growth. X I. 
Fics. 12-14. Later leaves of same plan 
Fic. 15. Most complex leaf noted in vides jm best developed plant. XI. 
