PREFACE 



This book has been prepared in response to the earnest 

 solicitation of those schools in which there is not a suffi- 

 cient allotment of time to permit the development of plant 

 ecology and morphology, as outlined in Plant Relations and 

 Plant Structures ; and yet which are desirous of imparting 

 instruction from both points of view. To meet this need, 

 the essential portions of the two books referred to have 

 been selected and combined, which, with the addition of 

 some new matter to give it logical continuity and a degree 

 of completeness, have been organized into this volume 

 under the title of Plant Studies. 



The book falls naturally into two divisions, the first 

 fourteen chapters being dominated by Ecology, and repre- 

 senting the view point of Plant Relations. The remaining 

 eleven chapters are dominated by Morphology, and present 

 in much simpler form, especially in the higher groups, the 

 ideas of Plant Structures. "While the author believes that 

 these two regions of the book are put in proper sequence 

 for elementary instruction, he is very far from seeking to 

 impose such an opinion upon teachers, who must use a 

 sequence adapted to their own convictions and material. 

 Hence many may prefer to begin with Chapter XV, and re- 

 turn to the preceding chapters later ; or, what is perhaps 



