S'l ATK Board of Forkstuy. 151 



1. CARPINUS. The Hornbeam. 



(Carpinus is derived from the Celtic words car, wood and pin, the' head; referring to the fact that 

 the wood was used for the yokes of cattle.) 



Carpinus caroliniana Walter. Water Beech, Blue Beech. 

 Swamp Beech. Plate 33. Trees with fluted or ridged trunks; 



Pl^TE 88. 



CARPINUS CAROLINIANA Walter. Blue or Water Beiiich. (xJ.) 



bark smooth, close, gray; leaves ovate to oblong, short to long 

 pointed, double-serrate, sometimes unequal-sided, hairy when young, 

 glabrous at maturity except on the veins beneath, pubescence not 



