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14. Shrenk, H. von. Some disease of New England conifers. Bull. U. S. Dept. Agric. 
Veg. Path. 25: 1-56. pi 1-15 d F. 1-3. 1900. 
15. Schrenk, H. von. Fungous disease of forest trees. Yearbook U. S, Dept. Agric. 1900: 
199-210. pi. 21-25. 1901. 
16. Schrenk, H. von. A disease of the black locust (Robinia pseudacacia. L. ) Ann. Rep. 
Missouri Bot. Gard. 12 : 21-31. pi. 1-3. 1902. 
17. Schrenk, H. von. A disease of the white ash caused by Polyporus fraxinophilus. 
Bull. U. S. Dept. Agric. Plant Indust. 32: 1-20. pi. 15 d fig.. 1903. 
18. Schrenk, H. von. The' “bluing” and the “red rot” of the western yellow pine, with 
special reference to the Black Hill Forest Reserve. Bull U. S. Dept. Agric. Plant 
Indust. 37: 1-40. pL l-ll 1903. 
19. Schrenk H. von. Sap rot and other diseases of the red gum. Bull. U. S. Dept. 
Agric. Plant Indust. lU: 1-34. pi, 1-8. 5D 1907. 
20. S'iecke, E. O. The disease of the oak. Ann. Rep. Nebraska Hort. Soc. 1901^- 233-236. 
1905. 
21. Spaulding, P. Two fungi growing in holes made by wood boring insects. Ann. Rep. 
Missorui Bot, Gard. 15. 73-77. pi. 25-:27. 1904. 
22. Spaulding, P. A disease of black oaks caused by polyporus obtusus Berk. Ann. Rep. 
Missouri Bot. Gard. 16: 109-116. pi. 13-19 d fig. 1905. 
23. Spaulding, P. Heart rot of Sassafras sassafras caused by Pomes ribis. Science ii. 
26: 479-480. 11 O 1907. 
24. Williams, P. Disease of the apple. Ann. Rep. Nebraska Hort. Soc. lOO’,: 178-186. 
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