CONTENTS OF VOLUME SECOND. 



IXTKODrCTIO^'. 



Page I 



SvHuwi; of a Histoi'v of Flauts, 



1 1 The L;iniju;i.£:e of Botanists, 



THE GENESIS OF PLAXT-OFFSPKING. 



1. ASEXUAI EEPRODrCTIOX. 



Spovos and Thallidia, - - S 



Buds on Eoots, - io 



Buds on Stoius, - iS 



Buds on Leaves, - 37 



£. IvKPKODrCTLOS BT lEEAyS OF FkUITS. 



IVliuition and Classification of Fruits, 46 



Fevtiliziitton and Fruit-formatiou in Ciypto- 



C.ims. 49 



The Commencement of the Phanerogamic 



Fruit, TO 



Ovaries on a Conical Keceptacle, - To 



Oraries on a Fiat or Excavated Keoeptacle, Tti 

 Stamens, ^o 



Pollen, £>? 



Protecrion of Pollen, 104 



Ptspersion of Pollen l\v the Wind, l£i> 



Dispersion of Pollen bv Animals, loi 



Allurements of Animals with a View to the 



Dispei-sioa of Pollen, 167 



! The Colours of Flowers as a means of At- 



ti-aotiug Animals. - ISi^ 



The Scour of Flowei-s as a meaus of Attmct- 



iug Auinuils, It'S 



Opening of the F.iss;ige to the Interior of the 



Flower. iOi^ 



Eeception of Flower-seeking Animals at the 



Entrance to the Flower, iil 



Taking up of Pollen by Insects. 243 



Deposition of Pollen, iTti 



The Crossing of Flowers. - -ST 



Auto;ramy. - 331 



Fertilization and Formation of Fruit in 



ri;.merogams, 401 



3. Chaxge ly EEFRODrcTiTE Methods. 



Fruits Eeplac«d. by Otishoots, 4oi 



! Parthenogenesis, 463 

 I Heteromorphism and Alternation of Grenera- 



tious, - 469 



THE HISTOKY OF SFECIES. 



1. The Xatuke or Sfsoies. 



De&iitiou ot" Spoo-'es. 



The Specific Consrinition or Protoplasm, 4ST 



f. Ai-rERArio>" :>" ihe Fokit of Sfsoies. 



I Alteration of Form by Parasitic Fungi MS 



I Alteration of Form by Gall-producing Insects, o ;7 



"^^^^ ; Genesis of Xevr Forms as a Eesult of Crossing. oo4 



3. The Origi>" of Sfzcies. 



595 



Tile Genesis of >ew Species. 

 Dependence of Plant Form on Soil and \ Derivation of Existing Spe-irs. 



CiLm.ite, - 495 Suldivisions of the Tegetable Kingdom, 600 



The Influence ef Mutilation on the Form of | CLissidcation of Plants proposed by the 



Fiauts. - 51-t ' Editor. 616 



