New flora and botany of North America, or A supplemental flora, additional to all the botanical works on North America and the United States.

Containing 1000 new or revised species. In four parts. 1. Lexicon and monographs. 2. Neophyton &c. 3. New sylva &c. 4. Neobotanon &c. with introductions, sketches, notes, indexes, &c.