304 



Mycologia 



neglccta, 4 >S\ nemoralis, 6 vS\ riddellii, 1 S. rigida, 7 S. rugosa, 

 3 S. sempervirens, 4 5". serotina, 3 5". speciosa, 11 S. squarrosa, 

 1 S. tortifolia, 1 Vernonia blodgettii, 7 F. flaccidifolia, 2 V. 

 glauca, and 6 V. noveboracensis. Of these plants, only those of 

 Solidago were infected as follows : 2 5\ bicolor, 18 5". canadensis, 



1 5\ fistulosa, 7 5. juncea, ij S. multiradiata, 1 <S\ neglecta, 2 S. 

 riddellii, 4 5\ rugosa, 3 vS\ serotina, and 8 .S\ squarrosa. Mature 

 uredinia were formed in 15 to 17 days, and mature telia in about 



2 months. 



Ten sets of inoculations were made with aeciospores from 

 aecia collected on the needles of Pinus taeda from Petersburg, 

 Va. ; Fayetteville and Lumberton, N. C. ; Andrews, Clearwater, 

 Columbia, Henry, and Sumter, S. C. ; Macon, Ga., and Selma, 

 Ala. Plants as follows were inoculated : 2 Aster conspicuus, I 

 A. chapmanii, 2 A. cordifolius, 1 A. dumosus, 2 A. geyeri, 1 A. 

 laevis, 3 A. macro phyllus, 3 A. paniculatus, 1 A. novi-beigii, 2 A. 

 undulatus, 1 A. vimineus, 2 Chrysopsis mariana, 2 Coreopsis 

 major, 5 Elephant opus carolinianus, 7 E. tomentosus, I Helianthus 

 angustij olius , 2 H. annuus, 3 H. divaricatus, 1 H. tuberosus, 3 

 Parthenium integri folium, 5 Pharbitis purpurea, 1 Solidago bi- 

 color, 3 vS\ canadensis, 2 S. chapmanii, 4 5\ fistulosa, 8 5\ juncea, 

 8 S\ multiradiata, 2 S. riddellii, 3 vS\ rugosa, 3 S. serotina, 2 S. 

 speciosa, 3 Vernonia angustifolia, 5 V. glauca, and 6 Verbesina 

 virginica. Of these plants, only those of Solidago were infected 

 as follows: 3 6". canadensis, 7 ^. juncea, 7 S multiradiata, 2 S. 

 rugosa, 2 S. serotina, and 2 S. speciosa. Mature uredinia were 

 formed in 15 to 17 days and mature telia in about 2 months. 



Six sets of inoculations were made with aeciospores from aecia 

 collected on the needles of Pinus pungens from Sandy Hook, Md. ; 

 Bellville, Greenwood Furnace, and Mont Alto, Pa. Plants as 

 follows were inoculated: 3 Aster cordifolius, 1 A. geyeri, 2 A. 

 lentus, 1 A. paniculatus, 2 A. undulatus, 1 Coreopsis verticillata, 

 1 Chrysopsis mariana, 1 Elephantopus tomentosus, 2 Helianthus 

 occidentalis, 7 Solidago bicolor, 3 S. caesia, 2 S. canadensis, 6 

 S. multiradiata, 1 S. nemoralis, 1 S. riddellii, 1 S. speciosa, 1 5\ 

 squarrosa, 2 Vernonia glauca, 3 V. fiaccidifolia, and 2 V. nove- 

 boracensis. Of these plants, only those of species of Solidago 



