Knee. t^c 
THE 
GENERA AND SPECIES 
OF 
ORCHIDACEOUS PLANTS. 
BY JOHN LINDLEY, Ph.D. F. R. S. L. S. 
Corresponding Member of the Royal Acad. Sc. Berl. and Munich and of the Hort. 
Soc. Vienna; Member of the Imp. Acad. Nat. Cur., Bot. Soc. Ratisb., 
Physiogr. Soc. Lund., Linn. Soc. Stockh., etc.; Honorary 
Member of the Dutch Soc. of Science, Royal Prussian 
Hort. Soc., Lyceum Nat. Hist. N. York, etc. 
Professor of Botany in University College, London, and in the Royal 
Institution of Great Britain; Vice Secretary of 
the Horticultural Society of London, etc. 
LONDON : 
RIDGWAYS, PICCADILLY. 
April 1830 to October 1840, 
