1899] CURRENT LITERATURE 277 
Doubtless few teachers will want to follow exactly this course, nor does 
the author expect them to do so; but many will certainly derive great help 
by selecting from it the topics appropriate to their own conditions and having 
dearly before them the didactic value of the laboratory work. 
It may be worth while to point out that the author’s principles, which one 
tannot escape, do not compel the conclusion that it is best to begin the ele- 
mentary course with a study of seeds. The teacher who now begins by 
mtroducing the student to the simple algz need not feel that he must aban- 
ton this method. The excellent principles presented in the second essay 
may be as well developed by another method. Aanad it is only fair to say that 
Professor Ganong advises each teacher to make out his own course. 
University men will do well to read Dr. Ganong’s essays and recommend 
book to every teacher of botany.—C. R. B. 
Buds and stipules. 
Sir Joun Luspock has published a book with the above title in the well- 
te International Scientific Series.t There is little or no attempt to give 
“ything new, but rather to place before the world in a somewhat popular 
syle the most interesting results of his previous study.” 
The author was led to study stipules by the observation of Vaucher that 
sme tock-roses have stipules and others not; the question arose: why? 
The Study of stipules led on to a study of buds, especially their protective 
Structures, 
The order of the chapters does not seem particularly logical, and there 
‘pail more repetition than is needed, even in a popular work. The 
; the dey 
Setting; 008 Chapter on the structure of buds, many species being 
| _ ee Six treats of the forms of stipules, and it is shown oi 
Uses of ig 's. In the seventh chapter the author discusses the su : 
Poteet the buds a Their general use he conceives to be to cover an 
» "Lustoc - They are often important also as organs of photosynthes!s ; 
4 Sg On buds and stipules. Crown 8vo. pp- xix + 239. pl 4 
"0 stipule et Megan Paul, Trench, Triibner & Co. L’t’d. 1899. 55 
S.C I-IV. Jour. Linn, Soc. Bot. 28, 30, 33- 1890, 1894, 1897. 
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