Hop Hornbeam, Ironwood, Leverwood 



Ostrya virginiana (Mill.) K. Koch. 



A twig showing pistillate and stjiniinate 5. Pistillate flowers with bract, axile view x G 



aments x % (J. A twig showing mature leaves and fruit 

 A bract from staminate ainent, aliaxile x V2 



view X 5 7. Vertical section of fruiting involucre show- 

 A staminate flower with bract, axile view ing enclosed nutlets x 2 



X .", S. Nutlet X 21/2 



A 'bract from iiistilliitr aii)cn(, abaxile "■•. \\'intcr twig with staminate aments x Mi 



view X 6 



