I02 SOUTH AFRICAN FLOWERING PLANTS. 



is a very large order in the Northern hemisphere ; and 

 8 species out of the 33 genera in South Africa have 

 been probably introduced. 



Dian'thus. — There are nine South African species of 

 this genus, which supplies all the pinks, carnations, 

 and picotees of gardens. 



Fig. 31.— Dian'thus (Clove-pink). (For description, see text.) 



In the illustration (Fig. 37) observe the two 

 opposite leaves, the joint, or node, of the stem being 

 swollen. At the base of the flower are two pairs of 

 bracts (4, a). The calyx is a long tube with five 

 points, as shown by the bud on tlie middle figure. 

 (1) is a fringed petal. In some species there is no 

 fringe, the blade being simply rounded. It has a 



