Microscopical Slides of P lants. 
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 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 live 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 fruit 
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. 
A ae fe 
LISA oie. 
