Microscopical Slides of Plants 
For Schools and Teachers — 
of Botany 
( These mounts are Masietve of the. prin- 
cipal plant groups showing life history and 
methods of reproduction, and are put up 
by the Glycerine, 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 hive fresh water algae 
in season. 
Slides of Algae, 20 cts. a piece, net 
Write for Circular to the | 
Director of the Botanical Laboratory — 
The -University 
Notre Dame, Indiana 
[@ By special request and pre-arrangement live forms. in Fei 
of fresh: water algae, prothallia, liverworts, mosses, etc., will be 
sent as desired. It is necessary to send, orders in a 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 beautifully prepared duplicate plants 
from the seat of war. Dr. J. LUNELL; Leeds, N: Dak. 
ae exe 
