EXPLANATION OF THE PLATE. 
PuateE DCLXVI. CRATHGUS PYRIFORMIS. 
1. 
. Vertical section of a flower, enlarged. 
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A flowering branch, natural size. 
A calyx-lobe, enlarged. 
. A fruiting branch, natural size. 
. Vertical section of a fruit, natural size. 
. Cross section of a fruit, natural size. 
. A nutlet, side view, enlarged. 
. A nutlet, rear view, enlarged. 
