763 



Gases, efifect of, 289 



Gasteromycetes, character of, 239, 240 



Geaster, 239, 244 



Geaster fornicatus, figure of, 243; 



hygrometricus in sandy soil, 83 

 Gelatin, nutrient, 604 

 Gelatin, sugar, 604 

 Gelatinous threads of chestnut blight, 



figure of, 494 

 Gemmiparity, 336 

 Genera of smuts, 182 

 Genetics emphasized, 271 ; nature of, 271 

 Gentian violet, Ehrlich's anilin-water, 



589 

 Geoglossaceae, description of, 169 

 Geoglossum glutinosum, 170; hirsutum, 



169; figure of, 170; range of, 85 

 Geographic distribution of fungi, 82 

 Gerardia as a root parasite, 299 

 Germination of smut chlamydospores, 



507; of smut spores, 181; of spores, 



61; of spores and bacteria, 25; of 



spores of slime moulds, 16 

 Germination studies, 615 

 Gerry, Eloise, work on tyloses, 370 

 Giant cells, 371 

 Gilg cited, 2 

 Gilson, research of, 52 

 Ginger beer, 140 

 Girdling of trees, 295 

 Glanders, 35 



Gloeosporium venetum, 544 

 Glomerella cingulata, 477, 478; gossypii, 



508; rufomaculans, 264, 477, 478 

 Glucose, 53, 59 



Glucoside-splitting enzyme, 59 

 Glycine hispida, figure of nodules on 



roots, 29 

 Glycocol, S3, 

 Glycogen in fungi, 53 

 Gnomonia veneta, 163, 264, 549; on 



plane, 85 

 Graft hj^brids, 329 

 Grape, 512 



Graphis scripta on bark, 83 

 Gram's stain, 590 



Gray mould, figure of, 42 



Green mould described, 45 



Griffiths, David, work cited, 163 



Grove, W. B., book of, 189 



Guenther mentioned, 54 



Guignardia Bidwellii, 512; of grape, 163; 

 vaccinii, 509; figure of, 510 



Guillermond, M. A., work cited, 142 



Gummosis, 343, 350 



Guttulina rosea, 8 



Guying, 323 • 



Gymnaxony, 336 



Gymnoascaceae, characters of, 143 



Gymnoconia interstitialis, figure of, 202 



Gymnosporangium biseptatum, figure 

 of swelling caused by, 347; clavariae- 

 forrrte, mycocecidia of, 393; Ellisii 



73, 210; figure of, 205; globosum, 21c; 

 Gymnosporangium juniperi-virginianae, 



74, 2 1 1-2 14; mycocecidia, 393; species 

 of, 208-210 



Gynophylly, 336 



Gypsum blocks and yeast spores, 622 



Gyromitra, 171 



Hackberry, witches' broom, 73, 351 

 Haas, Paul, book of, 57 

 Haeckel, Ernst, cited, 7 

 Haematimeter, Thoma's, 617; details 



of, 619 

 Hail and plants, 286 

 Hailstones, bruises by, 294 

 Hanbury, 487 



Hanging-drop preparations, 587 

 Hansen, E. Chr., work of mentioned, 32, 



141 

 Haploid chromosomes in slime moulds, 



16 

 Happy white elm, figure of, 286 

 Hard pan, influence of, 281 

 Harper, R. A., cited, 13, 15, 112, 165 

 Harshberger, John W., observations on 



acid spotting of morning-glories, 293; 



work of, 308; on pine-barrens, 281; on 



white cedar fungi, 394 



