The Collaborative International Dictionary of English v.0.48:
Botany Bay \Bot"a*ny Bay"\
A harbor on the east coast of Australia, and an English
convict settlement there; -- so called from the number of new
plants found on its shore at its discovery by Cook in 1770.
[1913 Webster]
Note: Hence, any place to which desperadoes resort.
[1913 Webster]
Botany Bay kino (Med.), an astringent, reddish substance
consisting of the inspissated juice of several Australian
species of Eucalyptus.
Botany Bay resin (Med.), a resin of reddish yellow color,
resembling gamboge, the product of different Australian
species of Xanthorrh[ae]a, esp. the grass tree
(Xanthorrh[ae]a hastilis).
[1913 Webster]