EXPLANATION OF THE PLATE. 
Puate DCXCIX. Cratmeus OPIMA. 
. A flowering branch, natural size. 
Vertical section of a flower, enlarged. 
. A calyx-lobe, enlarged. 
. A fruiting branch, natural size. 
. Cross section of a fruit, natural size. 
. A nutlet, rear view, enlarged. 
Aon Ppw ve 
. A nutlet, side view, enlarged. 
