PREFACE. V 



interiors of greenhouses used for various crops, as well 

 as the cultural methods used, were supplied by various 

 specialists. Thus, Mr. Alex. Montgomery of the Waban 

 conservatories, Natick, Mass., furnished cuts of their 

 rose houses; Fred Dorner & Son, Lafayette, Ind., and 

 The Cottage Gardens, Queens, L. I., carnations ; Pitcher 

 & Manda, Short Hills, N. J., and E. D. Smith, Adrian, 

 Mich., chrysanthemums; Fred Boulon, Sea Cliff, L. L, 

 Hitchings & Co., New York, and Profs. Galloway and 

 Dorsett, Garrett Park, Md., violets; J. C. Vaughan, 

 Chicago, 111., J. M. Gasser, Cleveland, Ohio, and Cush- 

 man Gladiolus Co., Euclid, 0., bulbs; W. H. Elliott, 

 Brighton, Mass., asparagus house; and Julius Roehrs, 

 Carlton Hill, N. J., miscellaneous plants. Acknowl- 

 edgments are also due for the use of cuts and for help- 

 ful suggestions to the following officers of experiment 

 stations : Prof. L. H. Bailey, Ithaca, N. Y., Prof. S. T. 

 Maynard, Amherst, Mass., Prof. W. M. Munson, Orono, 

 Me., Prof. L. F. Kinney, Kingston, E. I., Prof. C. S. 

 Plumb, Lafayette, lnd., and Prof. R. L. Watts, Knox- 

 ville, Tenn., as well as Prof. B. D. Halsted of New Jer- 

 sey, for the article on Violet Diseases, and Prof. W. J. 

 Green, Wooster, Ohio, who supplied the article on 

 Sub-irrigation. 



L. R, TAFT. 

 Agricultural College, Mich. 



