PLATE II. 



A. — Viola odorata, lAnnceus : p. 8. 



1. The stamens and pistil. 



2. One of the spurred stamens, separate. 



3. The pistil with its curved ^tyle. 



B. — Acer Pseudo-platanus, Linnceus : p. 9. 



1. One of the flowers, separate. 



2. The winged pair of fruits or samara. 

 C. — OxalLs AcetoseUa, Linnceus : p. 10. 



1. The stamens and pistils. 



2. The pistil, with its five styles. 

 J), — Ribes rubrum, Linnceus : p. 11. 



1. A flower, separate. 



2. One of the berries. 



