110 
FLOEA OF THE AVON -BED. 
Vida lutea Echinochloa Crus-GalU 
Ajuga cliammpitys Chenopodiimi hybridum. 
jlVlso the various cereal grasses, — wheat, bailey, oats, and rye, 
with other grasses grown as fodder for animals, all which are, or 
have been, brought by ships into the port of Bristol ; as well as 
sundry weeds of cultivation presumably companions of the cereals 
just mentioned, and from the same source, viz. : — 
Pap aver RJiceas 
Thlaspi arvense 
Sinapis alba 
Lychnis Giiliago 
And lastly, aliens and casuals 
viz. : — 
Centaurea Cyanus 
Setaria viridis 
Bromiis arveiisis 
B. secalinus. 
from all quarters of the globe, 
Saponaria Vaccaria 
Trifolium hybi'idum 
Melilotus alba 
Cucurbitus maximus 
Centaurea melitensis 
Amsinkia sp, 
(South American) 
Polygonum Fagop>yrum 
Cannabis saliva 
Plialaris canariensis. 
It will be at once perceived that many of the species named 
are to be regarded with interest, not because they are rare, but 
rather on account of their unexpected appearance in such a 
peculiar situation. The luxuriant dimensions of most of the 
plants is worth}^ of remark. Some stems of Bromus madritensis 
were three feet high, and bore panicles as big as one’s head; 
while a single root of Sclerochloa procumbens would overspread a 
square yard of ground with its radiating branches. 
And now let us enquire by w^hat means came such a large 
number of plants to spring up spontaneously in this remarkable 
