6 
abundant when he first came to the Locks, five years before, 
although the reservoirs had been cleaned out once or twice 
during that period. The Lock-man further stated, that he ~ 
had formerly resided at the Foxton Locks, and that the 
reservoirs there, were “ full of it more than twenty years 
back,” also that it had been plentiful in the Market Har- 
borough Canal, during the whole of that period. A short 
time after this conversation took place, two labourers belong- 
ing to the Locks came up, and both of them confirmed the 
statement of its being plentiful in the Market Harborough 
Canal, and one of them added: that the “ Welford Branch,” 
a narrow Canal, comparatively little used, was so full of it, 
that “ the passage of boats was impeded, and the Canal 
necessitated to be cleared out once or twice a year, and that 
it had been so for many years.” I apprehend however, there 
must be some mistake here. 
In August, 1849, it was found in Derbyshire and Stafford- 
shire, by Mr. Epwin Brown, growing “ in profusion,” in 
the Trent, near Burton-on-Trent, and also in the Canal 
there. Mr. Brown was convinced that the plant was new 
to that locality. He describes it as forming “ very large 
submerged masses, of a striking appearance.” All the flowers 
were females. In Christmas, 1850, it was found by Mr. Kirk 
in Warwickshire, near Rugby, “ in the greatest abundance ;” 
and in July, 1851, by the same gentleman, in the Oxford 
Canal near Wyken Colliery. 
The Rey. W. M. Hinp, writing from Burton-on-Trent, in 
J uly, 1851, describes the plant as occupying a much larger 
portion of the river than when first noticed, eighteen months 
before, and adds: “in fact, it bids fair in a short time to 
block up one of the two streams into which the Trent here 
Last year (1851), the Anacharis was noticed by myself 
and others in the river at Ely, but not in great quantities. 
