﻿Hop Hornbeam, Ironwood, Leverwood 



Ostrya virginiaua (Mill.) K. Koch. 



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



aments x % 6. A twig showing mature leaves and fruit 



'2. A bract from staminate ameut, abaxile x Vi . . , , 



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



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



X 5 S. Nutlet X 21/2 



4. A -bract from pistillate ament, abaxile !). Winter twig with staminate aments x V2 



view X 6 



