Herbals at the Internet Archive and Gutenberg
Herbals, their origin and evolutiion; a chapter in the history of botany, 1470-1670 (1912)
Agnes Arber
http://www.archive.org/details/herbalstheirorig00arbeuoft


The Universal Botanist and Nurseryman: Containing Descriptions of the Species and Varieties of All the Trees, Shrubs, Herbs, Flowers, and Fruits, Natives and Exotics: ... to which are Added a Copious Botanical Glossary, Several Useful Catalogues and Indexes. Illustrated with Elegant Engravings ... (1772)
Richard Weston
http://books.google.com.au/books?id=MgADAAAAYAAJ

Historical and Biographical Sketches of the Progress of Botany in England from Its Origin to the Introduction of the Linnæan System (1790)
Richard Pulteney
http://books.google.com.au/books?id=4EECAAAAYAAJ

Herbal Simples Approved for Modern Uses of Cure (1897) [Second Edition]
William Thomas Fernie
http://www.gutenberg.org/etext/19352

The complete herbalist : or, The people their own physicians by the use of nature's remedies; describing the great curative properties found in the herbal kingdom; a new and plain system of hygienic principles, together with comprehensive essays on sexual philosophy, marriage, divorce, &c. (1878)
Oliver Phelps Brown
http://www.archive.org/details/completeherbalis00brow

The toilet of Flora; or, A collection of the most simple and approved methods of preparing baths, essences, pomatums, powders, perfumes, and sweet-scented waters. With receipts for cosmetics of every kind, that can smooth and brighten the skin, give force to beauty, and take off the appearance of old age and decay. For the use of the ladies (1779)
Pierre-Joseph Buc'hoz
http://www.archive.org/details/toiletoffloraorc00buch

The Universal herbal; or, Botanical, medical, and agricultural dictionary; containing an account of all the known plants in the world, arranged according to the Linnean system. Specifying the uses to which they are or may be applied, whether as food, as medicine, or in the arts and manufactures, with the best methods of propagation, and the most recent agricultural improvements .. 1824 [Volumes 1 & 2]
Thomas Green
http://www.archive.org/details/universalherbalo01greerich
http://www.archive.org/details/universalherbalo02greerich

Versions of Culpeper:

Culpeper's English physician (1800)
http://www.archive.org/details/englishphysicia00culpgoog

The English physician, enl. with three hundred and sixty-nine medicines made of English herbs, not in any former impression of Culpeper's British herbal, containing an astrologo-physical discourse on the various herbs of this nation ... illustrated with correct copper plates of the most useful and remarkable plants, to which is added The family physician and A present for the ladies, containing the best remedies for every disease incident to the human body (1809)
http://www.archive.org/details/englishphysician00culprich
http://books.google.com.au/books?id=Yyy0AAAAIAAJ

The English Physician: Enlarged with Three Hundred and Sixty-nine Medicines Made of English Herbs, Not in Any Former Impression of Culpeper's British Herbal ... to which is Added The Family Physician ... and A Present for the Ladies (1814)
http://books.google.com.au/books?id=7gIAAAAAQAAJ

Culpeper's Complete Herbal (1816)
http://books.google.com.au/books?id=234fAAAAYAAJ

The complete herbal : to which is now added, upwards of one hundred additional herbs ... to which are now first annexed, the English physician enlarged, and Key to physic ... forming a complete family dispensatory and natural system of physic ... to which is also added ... receipts, selected from the author's Last legacy to his wife (1835)
http://www.archive.org/details/completeherbalto00culprich

The complete herbal : to which is now added, upwards of one hundred additional herbs ... to which are now first annexed, the English physician enlarged, and Key to physic ... forming a complete family dispensatory and natural system of physic ... to which is also added ... receipts, selected from the author's Last legacy to his wife (1850)
http://www.archive.org/details/herbaltocomplete00culprich