SOME NEW TEXT BOOKS 119 
justify us in warning teachers and other school inspectors against 
the use of Mr. Browne’s boo 
We can hardly imagine a greater contrast than that between 
Mr. Browne’s Elements and Dr. Ganong’s Laboratory Course i 
Plant Physiology. They appeal to two very different classes of 
botanical teaching, the other indicates a standard of excellence 
which we fear can rarely be attained in this country. 
already had occasion to comment on and commend Dr. Ganong’s 
2 
occupy the first year. For the second year he proposes a course in 
morphology with correlated ecology, including a study of the great 
groups of the plant world; and for the third year, a course in- 
practicum in physiology, on the principle of that here outlined.” 
Two thi i i 
necessary to postpone to so late a period in the curriculum, 
individual exercises in plant physiology, but, at any rate, we are of 
the opinion that such a course should not be introduced at an early 
stage. The student should be well grounded in general botany, if 
he is to get the best advantage from a course in practical physiology. 
be attained in many cases by complex and very expensive apparatus, 
is not aimed at; the results sought are, in fact, rather qualitative 
than quantitative. 
The method of work is one of question and answer. After a 
few general remarks in each section, a series of problems is set 
before the student, who himself works out the answer 1n the experl- 
ment, the description of which follows the statement of the question, 
The illustrations (there are thirty-five, and we wish there were 
