CONTENTS 



PAGES 



moth Visitors— Attracting Power of Scent— General 

 Advertisers— White Water Lily— Small Flowers Massed 

 together for Show— The Wild Angelica— Unsymmetrical 

 Flowers— Guelder Rose— Neuter Blossoms— Cornflower 186—192 



CHAPTER XVIII 



FERNS [Filices) 



Flowerless Plants— " Spore-plants " and "Seed-plants"— 

 Fructification of Ferns— A Common Error— The Spore- 

 case— Spores and Atmosphere— Spores do not Produce 

 Ferns— Germination of a Spore— The Prothallus— Anther- 

 idia and Archegonia— Birth of the Fern Plant— Flower- 

 less Plants in the Carboniferous Age— Ferns once a Great 

 Race— Advent of Pollen- and Nectar-seeking Insects . 193—198 



XVI 



