PLORA OP THE MIAMI VALLEY. 43 



P. dilatata, Ait. Lombardy Poplar. 

 P. alba, L. Silver Poplar. 



SrB-cLAss //. — ( ; YMNOSPERM.^. 



CONIFERJE— The Pine Famib 



Tin; J A, ToiRN. 

 T. occidentalis, L. Arbor \'itai. 



J UN I PER US, L. 

 J. Virginiana, L. Red Cedar. 



CLASS II. 



MONOCOIA'LKDONOUS or ENDOGENOUS 

 PLANTS. 



ARACE^— The Arum I'amily. 



AkIS.llMA, Mariius. 

 A. triphyllum, Torr. Indian 'I'lirnip. 

 A. Dracontium, Schoii. Dragon-root. 



S\'MI"I.()(AI<I'US, Saiisi!. 

 S. foetidus, Salisl). Skunk Cabbage. 



ACORUS, 1.. 

 A. Calamus, L. Sweet Flag. 



