XXiT CONTENTS. 



CHAPTER VIII. 



Cleistooauic Flowers. 



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

 ducing such flowers, and their distribution in the Tegetable 

 series — ^Viola, description of the cleistogamic flowers in the 

 several species ; their f ertilit 7 compared with that of the per- 

 fect flowers — Ozalis 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 309-344, 



Index 345-351 



