An Illustrated Survey of Orchid Genera

More than 150 orchid genera are described, each accompanied by a superb Marion Sheehan illustration that shows a representative species; all display the same structures in similar views so that the reader can easily compare the variations among genera. In 1995, the authors received the American Orchid Society's Gold Medal of Achievement. What Is An Orchid? -- Orchid Classification -- Orchid Family Outline -- Orchid Genera Illustrated. Tom And Marion Sheehan. Rev. Ed. Of: Orchid Genera Illustrated. 1979. Includes Bibliographical References (p. 413-415) And Index. IDENTIFICATION CHARACTERISTICS: The genus Acacallis has only one species and is distinctly different from other orchid genera in several ways. Sm Quarto, PP.421, A Fabulous Presentation Expanding Their EArlier 1979 100 Genera