48 



ELEMENTS OF STRUCTURAL BOTANY. 



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

 into four nutlets. 



Other types are the various Mints, Sage, Thyme, 

 'Summer Savory, Pennyroyal, Bergamot, Self-heal, 

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



occurrence. 



CATNIP. 



CHAPTER IX. 



EXAMINATION OF PLANTS WITH MONOSCIOUS FLOWERS — 

 CUCUMBER — OAK. 



67. Cucumber. You can -hardly have failed to 

 notice that only a small proportion " of the blossoms on 

 a Cucumber vine produce cucumbers. A great many 



