20 Chapters in Modern Botany chap, i 



of the other three genera of pitchered insectivorous plants 

 at present in cultivation — viz. Sarracenia, Darlingtonia, and 

 Cephalotus — with the result that substantially the same 

 condition of things was found to subsist in them all. " The 

 pitcher-plants may thus be regarded as ingenious mechan- 

 isms for first attracting insects, in order to receive their 

 aid in fertilisation ; and next, for the capture of these 

 insects, and their subsequent appropriation for purposes of 

 nutrition." These are in fact the " extra-floral nectaries " 

 well known in many plants, and which the reader may 

 most conveniently learn to know by looking for them on a 

 shoot of cherry laurel. 



