xiv STANDARDIZED PLANT NAMES 



changes are typographic or other errors, and the addition of new 

 approved names or Hsts of names. 



Every horticultural organization in America is invited and 

 urged to endorse and adopt Standardized Plant Names to the com- 

 mon end that all plant names in horticultural use in America 

 may become standardized. 



Acknowledgment to Collaborators. The American Joint Com- 

 mittee wishes to acknowledge with gratitude the invaluable 

 assistance rendered by many organizations and individuals in the 

 preparation of Standardized Plant Names, and particularly in cer- 

 tain genera and groups, as follows : 



COLLABORATORS 



Agave, Bean Trees, Dahlia, Peony, Rosewoods, various tropical plants and 

 fruits, ])articularly Annona: Dr. William E. Safford, Bureau of Plant 

 Industry, Washington, D. C. 



Annuals: F. L. Mulford, U. S. Department of Agriculture, Washington, 

 D. C; Alfred Putz, W. Atlee Burpee Co., Philadelphia, Pa. 



Azalea, Japanese: Bobbink & Atkins, Rutherford, N. J. 



Begonia: Peter Arnott, Chestnut Hill, Mass.; L. A. Bobbink, Rutherford, 

 N. J.; J. A. Peterson, Cincinnati, Ohio. 



Cactus: Dr. J. N. Rose, Smithsonian Institution, Washington, D. C. 



CameUia and Indian Azalea: Jas. G. Bailie, Augusta, Ga. 



Canna: Robert Pyle, West Grove, Pa. 



Carnation: Prof. E. A. White, N. Y. State College of Agriculture, Cornell 

 University, Ithaca, N. Y. 



China Aster: W. H. Dildine, James Vick's Sons, Rochester, N. Y. 



Citrus: A. D. Shamel, Dr. W. T. Swingle, and T. R. Robinson, of the 

 Bureau of Plant Industry, Washington, D. C. 



Dahha: Prof. J. B. S. Norton, Hyattsville, Md.; Wm. J. Rathgeber, 198 

 Norton St., New Haven, Conn, 



Ferns: Dr. W. R. Maxon, U. S. National Museum, Washington, D. C; 

 R. C. Benedict, Brooklyn Botanic Garden, Brooklyn, N. Y. 



Fruits: Dr. L. H. Bailey, Ithaca, N. Y.; Dr. W. H. Chandler, New York 

 State College of Agriculture, Ithaca, N. Y.; Leonard Coates, Lakeport, 

 Cahf.; R. B. Cruickshank, University of Ohio, Columbus, Ohio; 

 OrlaxNdo Harrison, Berhn, Md.; Prof. U. P. Hedrick, N. Y. State 

 Experiment Station, Geneva, N. Y.; H. Harold Hume, Glen St. Mary, 

 Fla.; Prof. E. R. Lake, Bureau of Plant Industry, Washington, D. C; 

 George C. Roeding, Niles, Calif.; Robert A. Simpson, Vincennes, Ind.; 

 Paul Stark, Louisiana, Mo. 



Fiber Plants: L. H. Dewey, Bureau of Plant Industry, Washington, D. C. 



Gladiolus: Prof. A. C. Beal, Ithaca, N. Y. 



Grasses: Dr. A. S. Hitchcock, Bureau of Plant Industry, Washington, D. C. 



Indexing, Tulip, and many minor genera: O. M. Freeman, Bureau of Plant 

 Industry, Washington, D. C. 



Iris: John C. Wister, Wister St. and Clarkson Ave., Germantown, Philadel- 

 phia, Pa.; R. S. Sturtevant, Wellesley Farms, Mass. 



