(Berlin, Haude et Spener, 1766). 4to. No wrappers, as issued in ""Memoires de L'Academie Royale des Science et Belles Lettres"", tome XV, pp.35-48 and pp. 49-86.Meckel's paper having 3 folded engraved plates.
Both memoirs first editions. Meckel (1724-74) is known for ""Meckel's Ganglion"" and ""Meckel's Cave"". In this memoir he describes rare medical cases as intestinal stones etc. - Gledisch, well known for his studies on male and female plants and his establishment of the sexes in plants, gives in this memoir a long historical treatment of this plant, a Rhodendron with poisenous honey, referring to Greek and Roman authors as well as medieval herbalists etc.
(Berlin, Haude et Spener, 1766). 4to. No wrappers. As issued in ""Mémoires de l'Academie Royale des Sciences et Belles-Lettres"" Tome XX pp. 25-64 and 1 engraved plate.
Gledisch was one of the first botanists to establish the existence of sex in plants. He made decisive experiments in the Berlin Garden to prove this fact. - In the second paper he makes experiments with artificial fertilization and ""cross-breeding"" between salmons and trouts, inspired by cross-breeding in plants.