PREFATORY NOT E . 
-:o:- 
The Moss Exchange Club was founded, in the year 1896, in 
response to proposals made by me in the “ Journal of Botany ,” 
Feb., 1896 , p. 88, (see also, pp. 135 & 368 ) ; “ Science Gossip," 
Dec., 1895, P • 2 7 2 >' an( l “ Irish Naturalist ,” Feb., 1896 , p. 55. 
Twenty-three members had been enrolled by the end of the 
year, when the first Exchange took place. Rules were drawn 
up after the model of those of the two British Exchange Clubs 
for seed plants. There are now 36 members. 
C H. Waddell, 
Feb., 1899. 
Hon Sec. 
