XXIV 



CONTENTS, 





CHAPTER VIII. 



Cleistogamic Flowers. 



General character of cleistogamic flowers— List of the genera pro- 

 ducing such flowers, and their distribution in the vegetable 

 series— Viola, description of the cleistogamic flowers in the 

 several species ; their fertility compared with that of the per- 

 fect flowers— Oxalis acetosella— O. sensitiva, three forms of 

 cleistogamic flowers— Vandellia — Ononis— Impatiens— Dro- 

 sera— Miscellaneous observations on various other cleistogamic 

 plants— Anemophilous species producing cleistogamic flowers 

 — Leersia, perfect flowers rarely developed— Summary and con- 

 cluding remarks on the origin of cleistogamic flowers— The 

 chief conclusions which may be drawn from the observations in 

 this volume . Page m _ 3U 



Index 



345-351 



