Notice of a Flora of North America. 275 
all the fluctuations and calamities of life cannot. deprive him. 
Other sources of happiness, as circumstances change and age ad- 
vances, will pass away. But, a genuine attachment to nature 
dinpinig to the heart will buoy it up, when the powers begin to 
fail, and the floods of affliction to roll over us; and like the vol- 
cano surrounded by polar snows, the flame will seem more bright 
and beautiful amid the frosts of age. Hee studia adolescentiam 
alunt, senectutem oblectant, secundas res ornant, adversis perfu- 
gium ac solatium prebent ; delectant domi, non impediunt foris ; 
pernoctant nobiscum, peregrinantur, rusticantur. (Cicero, Orat, 
pro Archia. ) 
Gentlemen, in these remarks I am confident that I am deseri- 
bing your own experience. For this love of nature, and not 
governmental or individual patronage, has been your chief stim- 
ulant in geological. research. Should that patronage, which is 
now extended to your efforts, be withdrawn,—of which I have 
little fear,—and: should ‘the tide of popular favor turn against 
— tbat yout will not, therefore, be diverted from your 
favorite pursuit. let us ra to more vig- 
orous iaes in this noble enterprise, which has already done 
so much, and is destined todo much more, to develop the re- 
sources of our beloved country ; so much to awaken youthful 
genius; so much to promote our personal happiness ; so much to 
enlarge the boundaries of science ; and, above all, so much to un- 
fold the glories and illustrate the perfections of the Inrinire 
has: ILl.— Notice apa: Flora at iil diteishais 8 Joun Torrey, 
M.D. F.L-S. &e.,and Asa Gray, M.D. &c. Vol. Il, Part 1. 
May, 1841. New York: Wiley & Putnam. 
Tete years have now dhignalt since the eomadisieniaann 
this truly national work, of which the first volume was completed 
in the past'summer. ‘The fifth number, being the first of the 
second volume, is now before us, and in presenting our readers 
with a brief analysis. of its contents, we do not pretend to do 
