VARIETIES OF PLUMS FROM NATIVE AMERICAN SPECIES. 
SOURCE OF THE MATERIAL STUDIED. 
A list of the persons, institutions and localities furnishing the 
material studied in the preparation of the list of native varieties and 
hybrids follows. 
1. S. G. Ayer, Fayetteville, N. C. 
2. Baker Bros., Fort Worth, Tex. 
3. Mr. Bales, Jackson, S. C. 
4. E. Bartholomew, Stockton, Kans. 
5. M. L. Black, Onawa, Iowa. 
6. J. S. Breece, Fayetteville, N. C. 
7. Brogden & Gorse, Springdale, Ark. 
8. Benjamin Buckman, Farmingdale, 
111. 
9. Carstesen Orchard, near Ottawa, Can- 
ada. 
10. E. S. Goff, Madison, Wis. 
11. R. A. Hunt, Euclid, Ohio. 
12. Mr. Hunt, Nursery, Tex. 
13. S. M. Irwin, Geneva, Kans. 
14. J. W. Kerr, Denton, Md. 
15. F. K. McGinnis, Terrell, Tex. 
16. Gilbert Onderdonk, Nursery, Tex. 
17. Martin Penning, Sleepy Eye, Minn. 
18. Pennock Nursery & Seed Co., Fort 
Collins, Colo. 
19. A. M. Ragland, Pilot Point, Tex. 
20. F. T. Ramsey, Austin, Tex. 
21. D.N. Shoemaker, Takoma Park,D.C. 
22. G. H. Spear, Greeley, Colo. 
23. C. Steinman, Mapleton, Iowa. 
24. F. A. Waugh, Amherst, Mass. 
25. G. H. Wilson, Hustisford, Wis. 
26. M. J. Wragg, Waukee, Iowa. 
27. Arlington Farm, Virginia. 
28. Central Experimental Farm, Ottawa, 
Ontario. 
29. Georgia Agricultural Experiment Sta- 
tion, Experiment, Ga. 
30. Iowa Agricultural Experiment Sta- 
tion, Ames, Iowa. 
31. Michigan Agricultural Experiment 
Substation, South Haven, Mich. 
32. Minnesota Agricultural Experiment 
Station, St. Paul, Minn. 
33. Missouri Agricultural Experiment 
Station, Columbia, Mo. 
34. New York Agricultural Experiment 
Station, Geneva, N. Y. 
35. Oregon Nursery Co., Hillsboro, Oreg. 
36. South Dakota Agricultural Experi- 
ment Station, Brookings, S. Dak. 
37. Washington Agricultural Experi- 
ment Station, Pullman, Wash. 
38. Boerne, Tex. 
39. Colfax, Ind. 
ABBREVIATIONS USED IN DESIGNATING THE SPECIES. 
The following abbreviations are used in designating the species of 
plums in the list of native varieties and hybrids: 
am americana. 
am 1 americana lanata. 
an angustifolia. 
an v angustifolia varians. 
an w angustifolia watsoni. 
ar armeniaca. 
b besseyi. 
c cerasifera. 
c a cerasifera atropurpurea. 
d domestica, 
h hortulana. 
h mi hortulana mineri. 
72210°— Bull. 172-15 2 
ma maritrma. 
me mexicana. 
mu munsoniana. 
n . .nigra. 
p pumila. 
r reverchonii. 
s simonii. 
su subcordata. " 
tr triflora. 
A. persica. . Amygdalus persica. 
A. texana. .Amygdalus texana. 
