REFERENCES. In the following works and articles certain points in connection with the cauliflower and its cultivation are more fully treated than in the present work. BON JARDINIER, (1859, p. 449).--A good article on the origin and varieties of the cauliflower, and its cultivation in France. BRILL, FRANCIS.--"Cauliflowers and How to Grow Them," (16 pp., price twenty cents. Published by the Author, Riverhead, N. Y., 1886). A well written account of cauliflower growing on Long Island and the methods used. BURPEE, W. A.--"How to Grow Cabbages and Cauliflowers," (W. A. Burpee & Co., Philadelphia, 1890). A pamphlet of eighty-five pages, price thirty cents, consisting of prize essays on the Cabbage and Cauliflower, by Mr. G. H. Howard, of Long Island, N. Y., and Mr. J. Pedersen, of Denmark; together with directions for cooking these vegetables by Mr. S. J. Soyer, chief cook at the Court of Denmark; and a chapter on varieties by W. A. Burpee. DE CANDOLLE, AUGUSTIN PYRAMUS.--"Memoir on the Different Species, Races and Varieties of the Genus Brassica, and of the Genera Allied with it which are Cultivated in Europe" (read in 1821).--_Transactions of the Horticultural Society of London_, Vol. V, p. 1. DON, GEO.--"General History of Dichlamydeous Plants," (4 volumes, London, 1831). Volume I, pp. 233-241, contains a good account of the culture and varieties of broccoli and cauliflower. Fifteen varieties of broccoli and three of cauliflower are described. JOURNAL OF HORTICULTURE AND COTTAGE GARDENER, (1878, p. 61).--A good article on the cultivation of cauliflower in England. LOUDON, J. C.--"Encyclopædia of Gardening" (5th edition, London, 1827). This standard work contains a very full account of the cauliflower and its allies, including quotations from various English authorities. MAGAZINE OF HORTICULTURE, (1839, p. 53).--A good article on the cultivation of the cauliflower in England. MAHER, JOHN.--"Hints relative to the Culture of the Early Purple Broccoli" (read in 1808).--_Transactions of the Horticultural Society of London_, Vol. I, pp. 116-120. An account of the culture and varieties of broccoli, with remarks on its improvement, and on the liability of broccoli and cauliflower to mix with cabbage. MCINTOSH, CHARLES.--"Book of the Garden" (2 volumes, London, 1853). The second volume contains the best account of cauliflower cultivation in England written up to that time. ROGERS, JOHN.--"The Vegetable Cultivator" (London, 1843). Contains a good account of the cauliflower and the methods of growing it in England. STURTEVANT, DR. E. L.--In his "History of Garden Vegetables," in the _American Naturalist_, this author gives the history of cauliflower and broccoli, including the earliest recorded evidences of their cultivation, and the names applied to these vegetables in different countries. The broccoli is treated in the volume for 1887, p. 438, and the cauliflower in the same volume, p. 701.