Hedgcock & Hunt: Coleosporium 



303 



Inoculations as follows have been made with the aeciospores 

 of Coleosporium solidaginis from 191 3 to 1921 : 



Fourteen sets of inoculations were made with aeciospores from 

 aecia collected on the needles of Pinus echinata from Mont Alto, 

 Pa. ; Petersburg, Va. ; Biltmore, Black Mountain, and Marion, 

 N. C. ; Etowah, Tenn. ; Columbia, Greenville, and Florence, S. C. ; 

 Gainesville and Macon, Ga. ; Opelika, Ala. ; and Meridian, Miss. 

 Plants as follows were inoculated: 2 Aster cordifolius, 2 A. con- 

 spicuus, 2 A. geyeri, 2 A. laevis, 8 A. macro phyllus, 6 A. panicu- 

 latus, 1 A. undulatus, 5 Chrysopsis mariana, 6 Elephantopus 

 tomentosus, 1 Helianthus occidentalism 2 Ipomoea fistulosa, 1 

 /. pandurata, 1 Laciniaria acidota, 3 Parthenium integrifolium, 



4 Pharbitis purpurea, 5 Solidago bicolor, 1 5\ chapmanii, 5 5. 

 fistulosa, 1 vS\ hispida, 2 5\ juncea, 16 S. multiradiata, 2 S. rid- 

 dellii, 5 S. rugosa, 4 6". serotina, 1 S. speciosa, 1 S\ squarrosa, 4 

 Vernonia flaccidifolia, 5 V. glauca, 2 V . noveboracensis, and 4 

 Verbesina virginica. Of these plants, only those of Solidago 

 were infected as follows: 1 Solidago bicolor, 1 .S\ fistulosa, 2 

 S. juncea, 16 S. multiradiata, 3 5\ rugosa, 3 vS\ serotina, 1 vS\ 

 speciosa, and 1 S. squarrosa. Mature uredinia were formed in 

 14 to 20 days, and mature telia in 2 to 3 months. 



Seventeen sets of inoculations were made with aeciospores col- 

 lected on the needles of Pinus rigida from Pleasantville, N. J. ; 

 Cold Spring Harbor, N. Y. ; Caledonia, Greenwood Furnace, and 

 Mont Alto, Pa. ; Sugar Grove, O. ; Harpers Ferry. W. Va. ; Blue- 

 mont and Roanoke, Va. ; Takoma Park and Washington, D. C. ; 

 and Black Mountain., Hot Springs, and Fayetteville, N. C. 

 Plants as follows were inoculated: 2 Aster acuminatus, 10 A. 

 conspicuus, 10 A. cordifolius, 3 A. divaricatus, 2 A. dumosus, 



5 A. ericoides, 9 A. geyeri, 1 A. hesperius, 1 A. laevigatus, 2 A. 

 lentus, 2 A. lowrieanus, 4 A. macro phyllus, 4 A. paniculatus, 2 

 A. patens, 1 A. puniceus, 1 A. salicifolius, 1 A. undulatus, 1 A. 

 vimineus, 1 Coreopsis tinctoria, 1 C. verticillata, 4 Elephantopus 

 carolinianus, 8 E. tomentosus, 1 Helianthus occidentalis, 3 Par- 

 thenium integrifolium, 1 Senecio aureus, 1 S\ obovatus, 6 Soli- 

 dago bicolor, 1 vS\ caesia, 27 5\ canadensis, 1 5\ chapmanii, 1 vS\ 

 erect a, 4 5\ fistulosa, 18 5. juncea, ig S. multiradiata, 1 5\ 



