EXPLANATION OF THE PLATE. 
Puate DCLXXIX. Crataeus LUcORUM. 
1. 
. Vertical section of a flower, enlarged. 
AAT PP wD 
A flowering branch, natural size. 
. A calyx-lobe, enlarged. 
A fruiting branch, natural size. 
. Cross section of a fruit, natural size. 
. A nutlet, rear view, enlarged. 
. A nutlet, side view, enlarged. 
