CO^^TEXTS 



CHAPTER 



i. — ixtroductios 

 11. — Thallophytes : Algje 

 III. — The evolution of sex 

 IV. — The great grolts of Alg.f. 

 V, — Thallophytes : Fuxgi 

 VI. — The food of plants . 

 VII. — Brtophytes 

 VIII. — The great groups of Bry'ophytes . 



IX. — Pteridophy'tes 



X. — The great groups of Pteridophy'tes 

 XI. — Spekmatopeytes : Gv.mntisperms 



XII. SpERMATOPHYTES : AXGIOSPERMS 



XIII. — The flower 



XIV. — IMoxocotyxedoxs and dicotyledons . 

 XV. — Differextiatiox of tissues 

 XVI. — Plant phy'SIOLOGY 

 XVII. — Plant ecology 

 Glossary 

 Index . 



PAGE 



1 



4 



12 



. 17 



4s 



,s:-j 



93 



109 



. 128 



. 1.5.0 



. 171 



195 



21S 



. 232 



2S0 



207 



311 



. 329 



337 



