Timber Press, Incorporated, 1988. Hardcover. Condition:good. Dust Jacket Condition: good. Pagination: 94 pages; 20 color plates of photos and watercolors; black and white figures. Condition specifics: Name of former owner on front free end paper. Foxing from damp storage chiefly on front and rear paste downs, including the facing dust jacket turn-ins. Includes pencil annotations within the text, and one loosely inserted sheet with additional information on the genus from the previous owner. ISBN:  0881921262. # 8158.