Ce7ttaurea Cyanus: a, tubular corolla from 

 centre ; b, outer neuter floret, p. 88. 



Lonj^itudinal section through the capitulum of 

 the Burdock {Arcthan Lap/ a), p. 86. 



Dandelion, Taraxacum officinale : I. entire plant (natural size); II. receptacle with 

 fruits (magnified) ; III. single floret, p. 85. 



WLf^osiie f: 8q. 



