46 MISCELLANEOUS PUBLICATION NO. 725, U.S. DEPARTMENT OF AGRICULTURE 
Hahn, Glenn Gardner. 687 
1928. The inoculation of Pacific Northwestern Ribes with 
Cronartium ribicola and C, occidentale, Jour, 
Agr. Res. 37: 663-683. 
Hahn, Glenn Gardner. 688 
1928. Phomopsis conorum (Sacc.) Died. --An old fungus of 
the Douglas fir and other conifers. Brit. Mycol. 
Soc. Trans. 13: °278-286,, rilus: 
Hahn, Glenn Gardner, 689 
1929. Preliminary report on a variety of red currant re- 
sistant to Weymouth pine rust. Bot. Soc. Edinb. 
Trans. 30: 137-146, illus. 
Hahn, Glenn Gardner. 690 
1930. Cedar blight (Phomopsis juniperovora). U. S. Bur. 
Plant Indus., Plant Dis. Rptr. Sup. 75: 65-66, 
illus. [Processed.] 
Hahn, Glenn Gardner. 691 
1930. Life-history studies of the species of Phomopsis 
occurring on conifers. Pt. I. Brit. Mycol. Soc. 
Trans. 15: 32-93; illus: 
Hahn, Glenn Gardner. 692 
1930. A physiological method of distinguishing Cronartium 
ribicola and C. occidentale in the uredinial stages. | 
Jour. Agr. Res. 40: 105-120, illus. | 
Hahn, Glenn Gardner. 693 
1931. Pathological and mycological notes on fungi observed | 
on white pine. Blister Rust Control Conf. Rpt. i 
Proc. 17: 49-51. [Processed. ] | 
Hahn, Glenn Gardner. 694 
1933. An undescribed Phomopsis from Douglas fir on the 
Pacific coast. Mycologia 25: 369-375, illus. 
Hahn, Glenn Gardner. 695 
1935. Immunity of Viking, a Norwegian red currant, to 
Cronartium ribicola and C. occidentale under 
greenhouse conditions. U. S. Dept. Agr. Cir. 
330, L6‘pp.; allus: 
Hahn, Glenn Gardner. 696 
1936. Immunity of Viking red currant from white pine 
blister rust under field conditions. Phytopathology 
26: 860-875, illus. 
Hahn, Glenn Gardner. 697 
1936. Larch canker. Natl. Shade Tree Conf. Proc. 12: 
120-127. 
Hahn, Glenn Gardner. 698 
1938. Blister rust susceptibility studies of naturally 
pollinated seedlings of the immune Viking currant. 
Jour. Forestry 36: 737-747, illus. : 
Hahn, Glenn Gardner. 699 
1939. Immunity of a staminate clone of Ribes alpinum 
from Cronartium ribicola. Phytopathology 29: 
981-986, illus. 
Hahn, Glenn Gardner. eo 
1939. Susceptibility of seedlings of Ribes punctatum, an 
Andine currant, to Cronartium ribicola. Phyto- 
pathology 29: 643-644. 
