The Slipper Orchids, Catherine Cash 1991.

Comprehensive survey of the four genera of the slipper orchid group: Cypripedium, Paphiopedilum, Selenipedium, and Phragmipedium.  Contains individual species descriptions, along with information on culture, pests, and hybridization.  225 color photographs.

Condition is Good.  Some wear on surface and edges of dust jacket.  

228 pages.