Microscopical Slides of Plants 
For Schools and Teachers of Botany 
@ These mounts are illustrative of the prin- 
cipal plant groups showing life history and 
methods of reproduction, and are put up 
by the Glycenne, Venetian Turpentine, and 
Balsam methods. Filamentary forms of Algae — 
a specialty. Limited amounts of alcoholic 
material properly fixed for histological study 
‘can be supplied as also live fresh water algae _ 
In season. ! 
Slides of Algae, 20 cts. a pile net 
Write for Circular to the 3 
Director of the Botanical Laboratory 
Notre Dame, Indiana 
[@ By special request’ and pre-arrangement live forms in fruit 
of fresh water algae, prothallia, liverworts, mosses, etc., will be 
sent as desired. It is necessary to send orders ina season ahead 
of time so that sufficient amounts can be provided, these to’ be 
sent when in their best condition.]| 
For Sale or Exchange.—A large supply of beautifu'ly 
prepared duplicate plants from the seat of war. Dr. J. 
LUNELL, Leeds, N: Dak. 
For Sale. Original Half-tone Plates of Utterback, 
W. I., Naiades of Missouri. For conditions, enquire of 
Epiror, Am. Min. NA’. 
For Sale.—Miscellaneous numbers of Botanical 
Gazette, Torrey Bulletin. B.F. Busn, Courtney, Mo. 
