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ABBKKVIATIONS. 
Duration and Native Country. 
A. . . Annual. 
B. . . Biennial. 
P. . . Perennial. 
Sh. . . Shrub. 
T. . . Tree. 
E. . . England. 
S. . . Scotland. 
I. . . Ireland. 
t . . Possibly introduced, but now appearing like a 
true native. 
.t . . Probably introduced, but admitting of some 
slight doubt on the subject. 
* . . Certainly naturalized. 
! . . After the name of a plant shows that an 
authentic specimen has been seen. 
I. II. III. tfec. represent the months of flowering, viz. Jan., 
Feb., March, &c. ; but they differ so much in different parts of 
the kingdom that only an approximation to the true time can 
be given. 
^Vhen the Initial letter of the generic name is prefixed to 
that of a variety, it is intended to show that the author quoted 
considered it to be a species. 
