Stockholm, Kongliga Vetenskapsacademien, 1755. 8vo (19.5 x 12.0 cm). 4 pp.; one very large (44.0 x 29.0 cm), folded, engraved plate. Disbound.

A seldom-seen publication with Linnaeus's first description of the angels trumpet, or sweet 4 o'clock, a plant he received from Mexico, or the southwestern USA. - then still part of Mexico. A detailed description, with a very attractive plate. This work was published in the academy's Handlingar. A very good, clean copy. Soulsby, 535.