The Temple of Flora

1799 was the first publication date of The Temple of Flora, Dr. Robert John Thornton's seminal work of supreme achievement of botanical illustration and artistic literature.  The referenced site links to an interesting blog which says, in part,

Filled with lavishly beautiful full color illustrations, botanical information, and even nods to classic poetry, "The Temple of Flora" is truly without a doubt one of England’s premier pieces of botanical literature.

More plates of Thorntons' works can be found here for purchase.

If you have a few minutes, go here to leaf through some of the works in the Temple of Flora available at Taschen Books.

The Botanicus Digital Library, part of the Missouri Botanical Garden Library, is another excellent web source for all things botanical.