THE DICOTYLEDONES 



1943 



Fig. 1870. — Valeriana pyrenaica. 

 Inflorescence. 



Fig. 1 87 1. — Centrantliiis ruber. Inflorescence. 



which is contained in the corolla sac. It is therefore accessible only to 

 insects with fairly long tongues. In Valeriana dioica (Fig. 1872) cross- 



FiG. 1872. — Valeriana dioica. A, Inflorescence. B, Male 

 flower with rudimentary stigma. C, Female flower with 

 rudimentary stamens. 



2F 



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