CONTENTS. 
——__. 
PAGE 
Chapter I—Organs of Flowering Plants ie ee re 
Vegetative Organs ee a ey eS 
Reproductive Organs .. ai a oh 20 
Summary Ae 65 Ss Se eae 
Questions 4 a an a ee Dec 
Chapter II—The Seed and Germination "a Seth 
Preliminary we an “aM 
Seeds .. sie a Mee abe Ae oy 
Germination ie 12 (ez .. 39 
Phenomena of Germination 7 s: .. 43 
Escaping from the Cover < xe .. 45 
Summary abe is na os .. 48 
Questions we we ae ao .. 49 
Chapter III.—The Root rer ve oe ry poe 
Tropisms ‘ i iw ‘DS 
Arrangement of "Tissues a8 fs rel lhe 
Types “of Roots ; a eee 
Chemical Constituents of Plants. 9 Bue 1 
The Soil oe ye wt eed 
Nitrogen Absorption =A “es Fi eee, 
Water Cultures a e as .. 84 
Summary ae .3 ch! es 5g OO 
Questions 5 i 2 A ah, i cease f, 
Chapter IV.—The Stem ne we rts Mora 
Arrangement of Tissues ms “s .. 40 
Types of Stems at ae hp sr. 93 
Buds... oo S. +f oe LOUD 
Roots and Stems. or + tt See LLO 
Reserve Materials = ae A ae LOW 
Summary rye ot ad ie 5: 6 AO? 
Questions Ae, ah ret ns oi LD 
Chapter V.—The Leaf te git bs: 
Structure A 28 dG 
Photosynthesis SES 
Respiration ae .. 125 
Comparison of Respiration and Photosynthesis wn Ee 
Transpiration es sg oe Ee keys 
Leaf Forms i ‘A a eel hs 
Foliage Leaves and Seed ‘Leaves Ae: .. 144 
Summary aus ut -. 145 
Questions ra . 147 
8 
