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INTRODUCTION. 11 
ers were the first playthings of Linnaeus ; 
whose motto was, 
Tantus amor florum. 
This devoted lover of flowers carefully noticed 
the sensibility of plants, and composed a horo¬ 
loge of flowers. The list is given in his “ Phi- 
losophia Botanica,” which, however, is only 
valuable to us in giving the names of plants 
which open and close at stated periods, as the 
time given is fpr the meridian of Upsal, and 
we must therefore, in order to form one for 
Britain, make our own observations. For 
the use of our friends we have given a list of 
twenty-four (all of which may be easily pro¬ 
cured), extracted from that magnificent and 
useful work, the Encyclopaedia of Gardening, 
by J. C. Loudon, Esq., and by observation 
of the following plants, also the ingenious 
reader may be enabled to add to the number. 
Many species of convolvulus and campanula, 
the marvel of Peru, or belle-de-nuit, broom, 
tulips, cress, hibiscus, yellow lily, white wa¬ 
ter lily, and dianthus. 
See hieracium’s various tribe, 
Of plumy seed and radiate flowers. 
