The plant kingdom covers the entire earth, offering our senses great pleasure and the delights of summer..

We admit as many genera as there are different groups of natural species of which the fructification has the same structure..

Nomenclature, the other foundation of botany, should provide the names as soon as the classification is made... If the names are unknown knowledge of….

Stones grow, plants grow, and live, animals grow live and feel..

When all the thoughts are concerning one thing and the person loses interest in other things, the melancholy begins..

Botany is based on fixed genera..

There are some viviparous flies, which bring forth 2,000 young. These in a little time would fill the air, and like clouds intercept the rays of the ….

Fragments of the natural method must be sought with the greatest care. This is the first and last desideratum among botanists. Nature makes no jumps.….

No one has been a greater botanist or zoologist. No one has written more books, more correctly, more methodically, from personal experience. No one h….

Of what use are the great number of petrifactions, of different species, shape and form which are dug up by naturalists? Perhaps the collection of su….

A practical botanist will distinguish at the first glance the plant of the different quarters of the globe and yet will be at a loss to tell by what ….

Nature's economy shall be the base for our own, for it is immutable, but ours is secondary. An economist without knowledge of nature is therefore lik….

To live by medicine is to live horribly..