CONTENTS ix 



SECTION III. MOVEMENT 



PAGE 



I. Movements of Locomotion . . . . . . . . 327 



II. Movements of Curvature ....... 332 



A. Hygroscopic movements ...... 333 



B. Movements of curvature in the living plant .... 335 



1. Autonomic movements of curvature .... 335 



2. Paratonic movements ...... 337 



(a) Tropisms . . . . . . .338 



(b) Nastic movements . . . . . 356 



PART II. SPECIAL BOTANY 



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DIVISION I. THALLOPHYTA. BRYOPHYTA. PTERIDOPHYAT 



THALLOPHYTA ......... 367 



Bacteria ....... . 370 



Cyanophyceae ........ 376 



Flagellata .... .... 378 



Myxomycetes . . . . . . . .381 



Dinoflagellatae ........ 386 



Diatomeae ......... 387 



Conjugatae . . . . . . . . .392 



Heterocontae ........ 396 



Chlorophyceae ........ 398 



Phaeophyceae . . . . 409 



Characeae ....... . 418 



Rhodophyceae . . . . . . . .421 



Phycomycetes . . ... . 428 



Eumycetes ......... 436 



Lichenes ... ..... 469 



BRYOPHYTA .... . . 475 



Hepaticae ...... . 483 



Musci ......... 489 



PTERIDOPHYTA . . . . . . . . . 496 



Filicinae ......... 503 



Equisetinae . . . . . . . . .517 



Sphenophyllinae ........ 522 



Lycopodinae ........ 523 



Pteridospermeae ........ 534 



DIVISION II SPERMATOPHYTA 



The Transition from the Pteridophyta to the Spermatophyta . . . 539 



Scheme of Alternation of Generations . 543 



