492 



The Ohio Naturalist. 



[Vol. IX, No. 6, 



Ohio Naturalist. 



P/aie XXIII. 



LEPIDOPHYTA 



BRrOPHYTA 



CONIDIOPHYTA 

 CHARES 



conji/gata: 

 diatomea: 



Pi^OTOZOA 



^^ROBILOPHYTA 

 CYCADOPHYTA 

 p, PTi; NOPHYTA 



PHA:OPHYrA 



nRHODOFHYTA 



-v9'CHIZ0PHYTA 

 MYXOPHYTA 



^^ARCHEOPHYTA 



Diagram of the Plant Phyla. 



