1923] 



INDEX 



425 



Gynoxis alternifolia, 76 



H 



hawaiensis (Fomes), 183 



Hawaiian Islands, higher fungi of the, 

 179 



Herposteiron confervicola, 419 

 Higher fungi of the Hawaiian Islands, 

 179 



Hirneola nigra, 188 



hirsutus (Polystictus), 184 



Histological study of regenerative pheno- 

 mena in plants, 369 



Holopedia irregularis, 400 



Horseradish, experiments on regenera- 

 tion of roots of, 371, 878, 382 



hydnoides (Epithele), 180 



Hydnum, 186 



Hydrogen-ion concentration of culture 

 solutions, 325; change of media, 335; 

 effect of, on germination of pycno- 

 spores of Diaporthe Sojae, 153; of 

 culture solutions after growth of 

 fungous mats, 258; of citric acid 

 solution after fermentation by various 

 fungi, 260; of dextrose solution after 

 fermentation by various fungi, 259; 

 reaction of, to growth of citrus fruit- 

 destroying fungi, 245 



Hymenochaete cinnamomea, 186;spreta, 

 186: tenuissima. 186 



i 



Indications respecting the nature of the 

 infective particles in the mosaic 

 disease of tobacco, 191 



J 



Jennison, H. M. Potato blackleg, with 



special reference to the etiological 

 agent, 1 



K 



Kirchneriella lunaris var. irregularis, 

 415; obesa, 415, var. aperta. 415 



Klotz, L. J. Studies in the physiology 

 of the fungi, XVI, Some aspects of 

 nitrogen metabolism in fungi, 299 



Korthalsii (Fomes), 182 



L 



lactinea (Trametes), 185 

 Laschia cucullata, 186 

 latum (Stereum), 187 



Lehman, S. G. Pod and stem blight of 

 soybean, 111 



Lemons, acid and sugar content of, 227 



Lepiota xylophila, 180 



Light, effect of, on production of pycnidia 

 of various fungi, 147 



lignosus (Polyporus), 182 



Lycoperdon cepaeforme, 189: gemma- 

 turn, 189; Wrightii, 189 



Lyngbya birgei, 402; contorta, 403; 

 Martensiana, 403 



M 



marginata (Pholiota), 181 



Media: employed in study of blackleg 

 organism, 26; used in culture of soy- 

 bean fungus, 153; used in nitrogen 



experiments, 323 

 Melilotus alba, 120 

 Merismopedia glauca, 400; irregularis, 



400; punctata, 400; tenuissima, 400 

 Merulius cucullatus, 186 

 Microchaete corymbosa, 86; glabrata, 97; 



pukkella, 90; trichopus,90; vaccinioides , 



Micrococcus phytophthorus, 2 



Microcystis incerta, 399; pulvera, 399; 

 stagnalis, 399 



microloma (Polystictus) , 184 



Moisture, effect of, on pycnidia forma- 

 tion, 152 



Moore, George T., and Nellie Carter. 



Algae from lakes in the northeastern 



part of North Dakota, 393 

 Mosaic disease of tobacco, indications 



respecting the nature of the infective 



particles in the, 191 

 Mougiotia calcarea, 412 

 Mycenastrum Corium, 189 

 Myriostoma coliforme, 189 



N 



Naucoria triscopoda, 181 



Nectria Ipomoeae, nitrogen fixation of, 

 334 



nigra (Hirneola), 188 

 nigrescens (Auricularia), 188 

 Nitrites, determination of, 329 

 Nitrogen metabolism in fungi, some 



aspects of, 299 

 Nitrogen, total, determination of, 327 

 Nodularia spumigena, 403, var. genuina, 



403, var. major. 403 

 North Dakota: algae from lakes in the 

 northeastern part of, 393; map of the 

 physiographic regions of, 390; map of 

 northeastern part of, 892; notes on 



