xviii LIST OF PRINCIPAL WORKS CITED. 
3, 
Be aN 
jJ.S. H. Rhone. 
Kerch. Liv. d’O. 
Kew Bull. : 
Lind. ; : . 
fonit. H. 
Nich. Dict. 
O.A. 
O.R. ‘ 
Orchidoph. 
Proc. H.S. 
Puydt. O. ‘ : : 
Pucci Cyp. : : ‘i 
Reichenb. ‘ 
Rep. Miss. Bot. G. 
Rep. R.H.S. Conf. con 
Rev. H. ; 
Rev. H. Belge. 
R. H. Meas. Cyp. 
R. I. Meas. Cyp. 
Sand. Cat. 
Sand. O. Guide. 
Sem. Hort. 
Stein. O. : : 
Thompson Sale Cat. 
V. Man. O. 
Warn. Sel. O. . F 
Wien. Ill.G. Zeit. . : 
Will. O. Gr. Man. 
Wochenschr. 
Journal des Orchidées. 
Journal of Horticulture. 
Journal of the Linnean Society. 
Journal of the Royal Horticultural Society. 
Journal de la Société Nationale d’Horti- 
culture de France. 
(This work we have not seen.) 
Kerchove, Livre des Orchidées. 
Kew Bulletin. 
Lindenia. 
Moniteur Horticole. 
Nicholson’s Dictionary of Gardening. 
Orchid Album. 
Orchid Review. 
L’Orchidophile. 
Proceedings of the Horticultural Society. 
Puydt, Les Orchidées. 
Pucci, Cypripedium. 
Reichenbachia. 
Report ofthe Missouri Botanic Garden. 
Report of the Royal Horticultural Society’s 
Conference on Genetics. 
kkevue Horticole. 
Revue d’Horticulture Belge et Etrangére. 
R. H. Measures, Collection of Cypri- 
pediums at The Woodlands, Streat- 
ham. 
R. I. Measures, List of Cypripediums in 
the collection of Mr. R. I. Measures, 
Cambridge Lodge, Camberwell. 
Sander & Co.’s Catalogue. 
Sander’s Orchid Guide. 
Semaine Horticole. 
Stein, Orchideenbuch. 
Thompson’s Sale Catalogue. 
Veitch’s Manual of Orchidaceous Plants. 
Warner’s Select Orchidaceous Plants. 
Wiener Illustrirte Garten-Zeitung. 
Williams’ Orchid Growers’ Manual. 
Koch und Fintelmann, Wochenschrift fur 
Gartnerei und Pflanzenkunde. 
