PLATE XLVII. 



Fios. 



1-5. Primula vulgaris var. (Polyanthus). The calyx of nil 



flowers has become leafy. (J. Hutchinson photo.) 



p. 126. 

 6-9. Zea Mais (Maize, Indian Corn). Different stages in 



the transformation of male panicles into female 



"cobs." (After Blaringhem.) p. 191. 



