before the Botanical Congress in London. 231 
show how much more they might do so. IfI am not mistaken, 
it will follow from the facts to which I shall allude, that our 
3 united efforts, scientific or practical, modest though they appear, 
4 contribute to increase the well-being of man, in all conditions 
q and in all countries. 
1. The advantages of horticulture to botany.—Let us first men- 
4 tion the services that horticulture renders, or may render, to 
botany. Without being myself a horticulturist, I affirm or rec- 
| @ ognize them willingly, the advancement of science rendering it 
a necessary to have recourse to all its collateral branches. 
_ eno longer live in those times of illusion, when botanists 
merely occupied themselves with European plants, or with a 
The traveller is too much exhausted in warm countries, too 
distracted in those temperate regions favorable to active life, 
and his faculties are too much benumbed in the colder regions, 
to enable him to devote himself to minute researches with th 
the variety of species it accumulates and successfully pore 
