viii PREFACE 



(2) Require simple, accurate drawings of the essential 



features of each specimen. (3) Label the different parts 



of the drawings, upon the sheet. (4) Do not require long 



descriptions of the specimens studied, for the student 



needs more to see and study plants than to attempt to 



^vrite about them. (5) Do not ask for ''conclusions," 



for the student has not yet enough knowledge of plants 



to make generalizations. (G) The exact name of the 



plant, or part of plant studied should be written upon 



the sheet of drawings. 



It remains only for us to say that while the junior 



author originally prepared Chapters I to V, and the senior 



author the remainder, all have been gone over again and 



again by both of us so that we are both responsible for 



what is here set forth. We hope that this presentation 



that has approved itself to us in our classrooms and 



laboratories may be equally helpful in those of other 



teachers of Botany in the Colleges and other high 



schools of the country. 



The Authors. 

 May, 1914 



