PLATE 14.— THE PLANE TREES, 



1. Sycamore, winter twig. 2. Sycamore, developing leaves and Hovvers, ii|iper pistil- 

 late and lower staminate. 3. Oriental Plane, leaves and frtiit. 4. Oriental 

 Plane, bark. 5. Street of Oriental Planes: S Street, at North Capitol Street, 

 Washington, D. C. Twelve years old. 



