1904-5.] 
Flora of Scottish Lakes. 
1023 
is an abundance of marsh gas ; while a considerable number 
are indifferent, and can adapt themselves to any of these conditions. 
It would be interesting to plant artificially aquatic plants in 
oecological conditions opposed to their usual natural habitat, and 
to study the results. 
I hope to continue the work during the summer of the present 
year (1905) in other areas of Scotland, and to publish,/ the result 
as a continuation of the present contribution. 
All the lakes mentioned in this paper may be found in Bartholo- 
mew’s latest half-inch maps of Scotland, Nos. 11, 15, 20, and 21. 
( Issued separately November 11, 1905.) 
