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1887. | BOTANICAL GAZETTE. 293 
difference in time consumed by the two processes is not at all commen- 
surate with the difference in value of the results—Jas. E. HUMPHREY, © 
Bloomington, Ind. 
Plan for botanical laboratory.—The BoranicaL Gazetre for July, 
1885, published an outline course in plant chemistry. A laboratory desk 
arranged for such work was figured in the same journal for the following 
November... It is believed that the laboratory sketched below will be 
found convenient for the study of plant anatomy as well as of plant 
chemistry. 
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A, teacher’s private laboratory. 8B, small laboratory for speci : 
work. (, large spectroscope. D, balances; shelves above hold measur 
in 3 A rT. GAz., July 
g dishes. E, students’ working desks Hepes . of each set of four 
prackets are to be 
