202 CUPULIFERiE. [part i. 



Beech, frequently remaining on the tree, though 

 in a withered state, till spring. 



The nut appears ribbed when ripe, from the 

 remains of the metamorphosed calyx, and it 

 contains only one seed ; though, as in the other 

 alHed genera, the ovary had two cells, with an 

 ovule in each. 



THE GENUS OSTRYA. 



The Hop Hornbeam {Ostrya vulgaris) was 

 included in the genus Carpinus by Linnaeus ; 

 and indeed the general construction of the 

 flowers is the same. The male catkins are, 

 however, very much longer, and the female 

 catkins much shorter, and closely resembling 

 those of the Hop. 



THE ORDER PLATANACE^. 



This order formerly included the Plane trees 

 and the Liquidambar ; but many botanists now 

 put the latter tree in a separate order, which 

 they call Balsamacea. 



the genus plat anus. 

 In the Oriental Plane {Platanus orientalis) 

 the male and female flowers are both in globular 

 catkins. The male flowers are composed of very 

 small, but rather fleshy bracts, which remain on 

 after the stamens fall; and the female flowers 



