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, Pelarironium (commonly called 

 Gera)n}iin) holds its honey in the long spurred sepal at the 



Fig. 139. — Murafi/hn.^/i^UtIns!fs 

 Eckl. A scape bearing a 

 spike of Howers. 



-Raceme of Cvaiit-lla 



liack of the flower. The s[)ur 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 Alesi'mhriaiithemuin. 



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

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



