552 
38 491—88 510 Rohrdantz—Rolfs. 
91 Rohrdantz C. Das Karbolineum ein Mittel zur Bekampfung von Krank- 
heiten aller Art in unserem Obstgarten (Erfurter Fiihrer Gartenbau V, 
1904, p. 57-58, 65—66). 
92 — Das Karbolineum, ein Mittel zur Bekampfung vcm Krankheiten an Obst- 
baumen (Jahrb. d. Gartenbauver. Liibeck 1904, p. 6—8). 
93 — Das Karbolineum, ein Mittel zur Bekampfung von Krankheiten an Obst- 
baumen (Schlesw.-Holst. Ztschr. f. Obstbau, Kiel 1905, p. 36—38). 
94 Roland-Gosselin. Maladie des oeillets (Bull. Soc. Centr. agrar. Nice XLII, 
1902, p. 76—81). 
95 Rolfs Fred Moss. A fruiting stage of Rhizoctonia Solani (Science, N. S., 
XVIII, 1903, p. 729). 
96 — Pear blight (Missouri Fruit Stat., Cire. 3, 1906, 4 pp.). 
97 — Die back of the peach trees (Valsa leucostoma Pers.) (Science, X. S., 
XXVI, 1907, p. 87—89). 
98 — Report of piant pathologist (Rept. Missouri Fruit Exper. Stat., 1907/08, 
p. 16—18) tab. 
99 — Orchard fungus diseases (Ann. Rept. Mo. Board Hort., II, 1908, p. 63 
bis 70). 
0 — A disease of neglected peach trees (Ann. Rept. Mo. Board Hort., II, 
1908, p. 278—283). 
1 — Fruit trees diseases and fungicides (Missouri State Fruit Exper. Stat., 
Bull. 16, 1908, p. 3—39). 
2 — Winterkilling of twigs, cankers, and sun scald of peach trees (Missour. 
Fruit Stat., Bull. 17, 1910, 101 pp., 13 tab.). 
3 Rolfs P. H. Fungus enemies of the tornato (Florida Agrie. Exper. Stat., 
Bull. 21, 1893, p. 25—38) fig. — (Enthalt: 1. Tornato blight p. 25—36; 
2. Black rot (Macrosporium Solani) p. 36—37; 3. Dropping of buds 
p. 27—38). 
4 — Tornato blight (Florida Agrie. Exper. Stat., Rept. 1896, p. 37—48). 
5 — Celery blight (Florida Agrie. Exper. Stat., Rept. 1896, p. 35—37). 
5a — Anthracnose of the bean (Florida Agrie. Exper. Stat., Rept. 1896, p. 48 
bis 49) fig. 
6 — A disease of the San Jose Scale (Florida Agr. Exp. Stat. Bull. 41, 1897). 
7 — Report of the biologist (Florida Agrie. Exper. Stat., Rept. 1898, p. 27 
bis 36). 
8 — Asparagus rust (South Carolina Agrie. Exper. Stat., Rept. 1899, p. 17). 
9 — Report of botanist (South Carolina Agrie. Exper. Stat. Report 1900, 
p. 21—28). 
10 — and Fawcett H. S. Fungus diseases of scale insects and whitefly 
(Florida Agricult. Exper. Stat., Bull. 94, July 1908, 17 pp.). 
