Sowerby, James, and William Jackson Hooker.

first edition, main work 36 volumes plus one volume index, Supplement 6 volumes bound in 4 (including M.J. Berkeley's Gleanings of British Algae), together 43 volumes bound in 41, 8vo (230 x 139mm.), 2994 hand coloured engraved plates (only, of 2995), Gleanings of British Algae with a further 20 plates, volumes 1-15 bound in contemporary red half morocco, volumes 16-27 bound in contemporary red morocco-backed tree calf, volumes 28-36, index and supplement bound in modern red morocco-backed calf, lacks plate 1492 and accompanying text leaf, a few plates browned

John Stewart Roberts, bookplate in earlier volumes

Nissen BBI 2225

Condition is described in the main body of the cataloguing, where appropriate
"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective, qualified opinion. Prospective buyers should also refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."

A good set, including Hooker's Supplement.