14 FERNS OF KENTUCKY. 
DESC RS LION. OF PLAT Et: 
Figure 1—Root of Pteris aquilina (Sachs). 
«¢ 2—Simple leaf, with wavy outline. 
«  3—Pinnatifid leaf. 
“©  _4-—Pinnate leaf. 
«¢  5—Bi-pinnate leaf. 
« — 6—Tri-pinnate leaf. 
«¢ —-7—Somewhat wedge-shaped leaf, showing the 
venation. 
Figure 8—Serrate and ciliate leaf. 
“  g—Winged leaf. 
“ to—Scaly and circinate leaf, unfolding. 
