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EXPLANATION OF THE PLATES. 
Puate XCIV. AcER RUBRUM. 
. A branch with staminate flowers, natural size. 
. A branch with pistillate flowers, natural size. 
A staminate flower, enlarged. 
. Vertical section of a staminate flower, enlarged. 
. A pistillate flower, enlarged. 
. Vertical section of a pistillate flower, enlarged. 
. A fruiting branch, natural size. 
. Vertical section of a fruit, enlarged. 
. Vertical section of a seed, enlarged 
. An embryo, enlarged. 
. An embryo,displayed and enlarged. 
. A winter branchlet, natural size. 
Puate XCV. AcER RuBRUM, var. DRUMMONDIL 
1. 
. A branch with pistillate flowers, natural size. 
CON SD CE W dD 
A branch with staminate flowers, natural size. 
. A staminate flower, enlarged. 
- A pistillate flower, enlarged. 
. A sterile branch, natural size. 
. A fruiting branch, natural size. 
. Vertical section of a seed, enlarged. 
. An embryo, enlarged. 
