CONTENTS. 



PAGE 



I. ORIGIN OF CULTIVATED PLANTS 1 



Extracts from CHARLES DARWIN and ALPH. DE CAN- 

 DOLLE. 



II. THE COTTON PLANT 12 



NINA MOORE. 



III. SEED-FOOD 24 



FREDERICK LEROY SARGENT. 



IV. MOVEMENTS OF SEEDLINGS 34 



Extracts from CHARLES DARWIN. 



V. THE BIRTH OF PICCIOLA 50 



From the French of JOSEPH XAVIER SAINTINE. 



VI. ROOT AND CROWN. Relative Position of Leaves and 



Rootlets 60 



From the German of A. KERNKR VON MARILAUN. " Pflan- 

 zenleben." 



VII. TREES IN WINTER 72 



VIII. YOUNG AND OLD LEAVES ........ 84 



From the German. " Pflanzenleben.' ; 



IX. LEAF-ARRANGEMENT 96 



SIR JOHN LUBBOCK. From "Flowers, Fruits, and 

 Leaves." 



X. CLIMBING PLANTS 115 



Extracts from CHARLES DARWIN. 



XI. PROTECTION OF THE GREEN TISSUE FROM THE 



ATTACKS OF ANIMALS 134 



From the German. " Pflanzenleben." 



