Hop Tree, Wafer Ash 



Ptelea trifoliata L. 



1. A twig showing inflorescence and imma- 4. A br.uKh showing mature leaves and fruit 



ture leaves x % x % 



2. A staminate flower, lateral sectional view 5. Fruit, lateral surface view x 1 



X 3 li. Sppd, sectional view x 3 



3. A pistillate flower, lateral sectional view 7. Winter twig x % 



X 3 



