PREFACE. 



THIS book consists of a series of thirty lectures designed as 

 an Introductory Course in Botany for Medical and other 

 Science Students. Practical work is outlined to illustrate 

 each lecture. 



At the outset the use of the microscope is treated, and 

 special consideration is given to microscopic measurement 

 and to the reconstruction of microscopic objects in the 

 solid. 



The plants chosen as subjects of study are necessarily 

 limited in number. They have been selected, as fairly 

 representing some of the more important subdivisions of 

 the vegetable kingdom, and as being, at the same time, 

 easy to procure. Attention is directed only to those points 

 of their structure, life, history, and manner of living which 

 are necessary in order that the student should appreciate 

 some of the general principles of morphology, physiology, 

 and evolution. 



The lectures deal first with the simpler forms, among 

 which are to be found some of the most important so far 

 as general biology is concerned. They then pass on to the 

 more complicated, and gradually lead the student to some 

 knowledge of the development, structure, and physiology 

 of the higher plants. 



The arrangement of the course is the result of many years' 

 teaching experience, and in its present form has been found 



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