CONTENTS. 
PacE 
Chapter I.— Introductory... eceeecssennseeeeecseeeeeeeees 9— 20 
Chapter II.— The Round of Plant Life... eee eeeeeeeee 21—109 
The Behavior of Seeds toward Water...... 21— 23 
Germ iN atiOnsajeie skveestrvedesvarwiesacuizueiaceteys 23— 31 
Thé Plante ticsccccantercn sitiasseecsteretevcieervesens 31— 46 
The Inner Structure of the Plantlet........ 46— 54 
The Water of Plants and its Movements. 55— 61 
The Root and the Soil... eee ecco wee 62— 75 
The Stet serivecascinessavstavis gazes vivaeeeveneerstonn 75— 78 
The Wea ves Acs eiwn nea 78— 81 
Te Bud S.agecsvasisasessideestssa sous ieleieséns goasaiases 82— 90 
"PRE BlO wW C8 espavacies aveccerecedepecwantmosaneneceezevexe 90— 98 
The Fruit and the Seed.................ccceeeceeees 98—100 
The Gathering and Storing of Seeds........ 100—105 
The Decline of Growth and the Rest 
POT16 Givcinswaecetencnedaanaseshvavaveraverersaanstorte 105—109 
Chapter III.— The Plant as Affected by Unfavorable En- 
VITONMOU Es cisscsssevasespagevavecasasescieacagee vs 110—174 
The Plant as Affected by Unfavorable 
Tem perature sisiscicscsccsscssrsseszensvasceseevasssnese 110—119 
A—by Excessive Heat............000 110-113 
B—by Excessive Cold...............00 113—119 
Methods of Averting Injury by Cold........ 119—127 
A—During the Dormant Period....119—120 
B—During the Growing Period....121—127 
The Plant as Affected by Unfavorable 
Water Supply............. egeeveeaskes 127—134 
A—By Excessive Water................ 127-131 
B—By Insufficient Water.............. 131—134 
