218 
Mycologia 
Harter, L. L. Notes on the distribution and prevalence of three 
important sweet potato diseases. Phytopathology 5: 124-126. 
Ap 1915- 
Hasse, C. H. Pseudomonas citri, the cause of Citrus canker. 
[A preliminary report.] Jour. Agr. Research 4: 97-100. pi. g, 
10. 15 Ap 1915. 
Hasse, H. E. Addition to the lichen-flora of southern Cali- 
fornia. No. 10. Bryologist 18: 22, 23. Mr 1915. 
Hawkins, L. A. Some effects of the brown-rot fungus upon the 
composition of the peach. Am. Jour. Bot. 2: 71-81. F 1915. 
Heald, F. D., Gardner, M. W., & Studhalter, R. A. Air and wind 
dissemination of asco[s] pores of the chestnut-blight fungus. 
Jour. Agr. Research 3; 493-526. pi. 6j-6§-\-f. i, 2. 25 Mr 
1915- 
Howe, R. H. Classification de la famille des Usneaceae dans 
I’Amerique du Nord, 1-32. pi. i-io. Paris. 1912. 
Jamieson, C. 0. PJioma destructiva, the cause of a fruit rot of 
the tomato. Jour. Agr. Research 4: 1-20. pi. a, b, 1-6. 15 
Ap 1915. 
Kern, F. D. The genetic relationship of parasites. Am. Jour. 
Bot. 2; 116-131. 23 Ap 1915. 
Kock, G. Der nordamerikanische Stachelbeermeltass und seine 
Bekampfung. Obstziichter 1-4. f. /-j. 8 N 1915- 
Lipman, C. B. A suggestion of a new phase of the problem of 
physiological diseases of plants. Phytopathology 5; 111-116. 
Ap 1915- 
Lloyd, C. G. Letter No. 55. 1-4. /. 627. Cincinnati. Mr 
1915- 
Includes a note on Polyporns (Ganoderimis) gibbosus. 
Lloyd, C. G. Synopsis of the Cordyceps of Australasia, i-ii. 
f. 611-626. Cincinnati, Mr 1915- [Hhist.] 
Lloyd, C. G. Synopsis of the genus Pomes. 211-288. /. 570- 
610. Cincinnati. Ja 1915- [IHust.] 
McCubbins, B. W, A. The edible toadstools — the smooth 
Lepiota. Ontario Nat. Sci. Bull. 7: 53“56- 1912. [Illust.] 
