144 Plants and their Ways in South Africa 



the glands are evenly distributed around the flower. In 

 zygomorphic flowers, where insects alight in one particular 

 place, the gland is situated where the beneficial insects can 

 most easily help themselves. Pelargonium (commonly called 

 Geranium] holds its honey in the long spurred sepal at the 



FIG. 139. Micranthus fistula. 

 Eckl. A scape bearing 

 spike of flowers. 



FIG. 140. Raceme of Cyanella 

 capensis L. 



back of the flower. The spur is joined to the stalk. It can 

 be located by cutting the stalk just below the flower. 



The calyx tube catches honey. If the calyx tube is at- 

 tached to the ovary, the gland is borne at the top of the ovary, 

 as in the Carrot family and Mesembrianthemum. 



There are many devices which conceal honey, e.g. the 

 wide bases of the filament of Roella roof over the honey in 



