Crane, Dr. H. L., Plant Industry Station, Beltsville
Eastern Shore Nurseries, Inc., Dover Rd., Easton
Fletcher, C. Hicks, Lulley's Hillside Farm, Bowie
Gravatt, G. F., Plant Industry Station, Beltsville
Harris, Walter B., Andelot Inc., Worton
Hodgson, Wm. C., R. D. 1, White Hall
Hoopes, Wilmer P., Forest Hill
Kemp, Homer S., Bountiful Ridge Nurseries, Princess Anne
Kienle, John A., Land's End Farm, Queenstown
Kingsville Nurseries, H. J. Hohman, Kingsville
Lewis, Dean, Bel Air
Mannakee, N. H., Ashton
McCollum, Blaine, White Hall
McKay, Dr. J. W., Plant Industry Station, Beltsville
Negus, Mrs. Herbert, 4514-32nd St., Mt. Rainier
Porter, John J., 1199 The Terrace, Hagerstown
Purnell, J. Edgar, Spring Hill Rd., Salisbury
Shamer, Dr. Maurice E., 3300 W. North Ave., Baltimore
Thomas, Kenneth D., 10 N. Ellwood Ave., Baltimore 24