48 



ELEMENTS OF STRUCTURAL BOTANY. 



4. The ovary is four-lobed, and at maturity breaks up 



into four nutlets. 



Other types are the various Mints, Sage, Thyme, 

 Summer Savory, Pennyroyal, Bergamot, Sel^-heal, 

 Horehound, &c., many of which are of very common 

 occurrence. 



CATNIP. 



CHAPTER IX. 



EXAMINATION OF PLANTS WITH MONOECIOUS FLOWERS 

 CUCUMBER OAK. 



67. Cucumber. You can hardly have failed to 

 notice that only a small proportion of the blossoms on 

 a Cueumber vine produce cucumbers. A great many 



