CONTENTS 



DIVISIONAL-VOL, I 



INTEODUCTOEY— 



Calendar of Operations in the Flower-garden --■--..-"--- 1 



Meteorology ------ .___» 20 



CHAP. I.— PLANT STBUCTUBE. Conditions of Existence— Structural Elements— The Cell and 



its Contents — Protoplasm — Modifications of Cells — Pitting — The Thallus - - - - -26 



CHAP. II.— THE LIVING PLANT. Green Plants— Uncoloured Plants— Parasites— Saprophytes 

 — Microbes — Symbiosis — Thallophytes and Vascular Cryptogams — Asexual and Sexual Condi- 

 tions — Flowering Plants — Sensation and Movements in Plants — Continuity of Protoplasm- - 29 



CHAP. III.— THE BADICLE AND THE EOOT. Nature and Movements— Eoot-hairs— The 



Eoot-cap — Eoot Action — Various Forms of Eoots - - 32 



CHAP. IV.— THE CAULICLE— THE STEM. The Primary Bud or Plumule— The Stem— The 

 Cambium — The Wood — The Bast — Various Forms of Stems: Bulbs, Tubers, &c. — Structure of 

 Stem -------- ~ --------- 34 



CHAP. V.— THE LEAF— THE COTYLEDONS. Forms of the Leaf— Simple Leaves— Compound 

 Leaves — Leaf Structure — Epidermis — Pairs — Leaf Action — Evaporation — Eespiration — Assimi- 

 lation ------- _.._37 



CHAP. VI.— NUTEITION. Conditions of Plant Life— The Soil as a Source of Food and Air— The 

 Air as a Source of Food — The Action of Light — Chlorophyll — The Movements of Liquids in 

 Plants— The Sap ---------------- 41 



CHAP. VII.— GEOWTH AND BEANCHING. Necessary Conditions— Definite and Indefinite 



Growth — Buds — Sympodes — Cuttings — Grafting and Budding — The Inflorescence and Bracts - 45 



CHAP. VIIL— EEPEODUCTION— THE FLOWEE. Difference between Growth and Beproduc- 

 tion — Pollen-cells — Egg-cells — Conditions for Flowering — Conformation of the Flower — Parts of 

 the Flower — Fertilization — Hybridization — Sports — Division, Separation, and Eecombinations 

 of the Nuclear Elements — Seeds, Dispersal of — Germination ------- 48 



CHAP. IX.— HYBEIDIZATION. Cross-fertilization— Hybridism— Isolation and Self-fertilization 

 — Double Flowers — Fertilization in Cryptogamic Plants, Ferns — Vegetative Sports or Bud 

 Variation ----------- 58 



CHAP. X.— CLASSIFICATION. Species— Genera— Orders— Classes— Genealogical Arrangements 



— Artificial Groups -.._ ------ 65 



CHAP. XL— INSECT AND OTHEE PLANT ENEMIES. Bark Enemies — Bud and Flower 



Enemies — Fruit and Seed Enemies — Leaf Enemies — Eoot Enemies — Stem Borers - - - 67 



CHAP. XII.— GAEDEN FEIENDS - - - - - 114 



CHAP. XIII.— PLANT DISEASES CAUSED BY FUNGI. Kind of Food required by Fungi 



— Structure and Eeproduction — Different Modes of Eeproduction — Preventing the Spread of a 



Disease — Preventing a Eepetition of a Disease — Fungicides - - - - - - - 123 



vii 



