i 
INDEX TO VOLUME V 
Gas, effect of, on bacteria and fungi, i 
Generic types with reference to the 
grasses of the United States, 248 
Geographic affinities of the vascular 
floras of New England, the Maritime 
Provinces and Newfoundland, 219 
Gericke, W. F. (See Lipman, C. B., 
151) 
Grasses, generic typei of, 248; axillary 
cleistc genes in, 254 
Grevillea robusta, seedling type of, 124 
Guatemala, rusts of, 325, 420, 462, 522; 
Index to rusts of, 541 
Gymnoconia peckiana, selected cycles in, 
79 
Harris, J. Arthur. On the osmotic 
concentration of the tissue fluids of 
phanerogamic epiphytes, 490 
Harvey, R. B. and True, R. H. Root 
absorption from solutions at minimum 
concentrations, 516 
Histology of the phloem in certain woody ' 
Angiosperms, 347 
Hitchcock, A. S. Generic types with 
reference to the grasses of the United 
States, 248 
Holcus, type of, 251 
HoLWAY, E. W. D., collector of Guate- 
malan rusts, 325, 420, 462, 522 
Hygrophorus borealis, development of, 
44; miniatus, 41; nitidus, 43 
Influence of certain added solids upon 
the composition and efficiency of 
Knop's nutrient solution, 452 
Inocybe ammophila, 210; atripes, 210; 
brunnescens, 211; cylindrocystis, 211; 
fastigiella, 211; leptocystella, 212; 
leptocystis, 212; leptophylla, 212; 
leptophylla var. cystomarginata, 213; 
longicystis, 213; marmoripes, 213; 
nigrescens, 214; ochraceoscabra, 214; 
olpidiocystis, 214; paludosella, 215; 
retipes, 215; rubellipes, 215; sam- 
bucella, 215; submuricellata, 216; 
subrubescens, 216; tenerrima, 216; 
553 
tubarioides, 217; ventricosa, 217; 
violaceoalbipes, 217; virgata, 218 
Jones, Donald F. Segregation of sus- 
ceptibility to parasitism in maize, 295 
Knop's nutrient solution, influence of 
added solids on, 452 
Lavatera arborea, seedling type of, 124 
Leersia, type of, 252 
Lejeunea cladogyna, 135; longifissa, 138 
Lejeuneae from Florida, 132 
Lipman, C. B. and Gericke, W. F. 
Copper and zinc as antagonistic agents 
to the " alkali " salts in soils, 151 
Livingston, B. E. and Tottingham, 
W. E. A new three-salt nutrient 
solution for plant cultures, 337 
Ludwig, C. a. The effect of illuminat- 
ing gas and its constituents on certain 
bacteria and fungi, i ; The effect of 
tobacco smoke and of methyl iodide 
vapor on the growth of certain micro- 
organisms, 171; and Rees, C. C. 
The structure of the uredinium in 
Pucciniastrum Agrimoniae, 55 
MacDaniels, L. H. The histology of 
the phloem in certain woody Angio- 
sperms, 347 
Magnolia, cell-division by furrowing in, 
379 
Maize, segregation of susceptibility to 
parasitism in, 295 
Malayan flora, addition of Oreomyrrhis 
to, 514 
Maritime Provinces, flora of, 219 
Martin, William H. (See Shive, John 
W., 186) 
Merrill, E. D. Oreomyrrhis borneen- 
sis Merr. sp. nov., an interesting 
addition to our knowledge of the 
Malayan flora, 514 
Methane, effect of, on bacteria and fungi, 
20 
Method of demonstrating the production 
