PLATE II 



S. Paulowraa iraperaiis. 34. (I/5) 

 9. Field Maple. 37. (i/,) 

 10. Japanese Maple. 38. (Vs) 



363 



11. Cut-leaved Japanese Maple. 38. 



12. Norway Maple. 39. {'/,) 



13. Sycamore Maple. 40. 0/4) 



