PHANEROGAM I A 



621 



Horse-chestnut, is a native of the mountains of the Atlantic side of North America. 

 Both are commonly cultivated. 



FIG. 66S. Acer psevdoplatanus (J nat. size). 1, Branch with pendulous terminal inflorescence. 

 2, Male flower. 3. Female flower, k, Fruit. (2 and -^'.enlarged.) 



Order 16. Frangulinae 



Shrubs or trees with inconspicuous, actinomorphic, tetramerous or 

 pentamerous flowers. There is only one whorl of stamens, which 

 are antipetalous. Flowers hypogynous or perigynous. Ovary 

 composed of two to four carpels with one or two erect ovules in each 

 loculus. Disc intrastaminal. 



