2 volumes, 8vo. Photogravure portrait frontispiece, numerous illustrations after photographs, maps (several folding). Original green cloth, spine gilt-lettered, top edges gilt; ORIGINAL DUST JACKETS (some chipping to extremities, vol. II front panel and front flap detached but present, contemporary penciled price on spines). Provenance: Frank Dobbin, American book collector (ownership signature dated 1915); Edward Baker (booksellers' ticket).

FIRST EDITION of the collected botanical papers of Spruce, who was the first professional botanist to explore South America, virtually opening the Amazon to scientific study. Includes a chapter on indigenous narcotics and stimulants. In the RARE DUST JACKETS. Borba de Moraes I:830; Palau 321749. A Horowitz high spot.