578 
INDEX TO VOLUME II 
CoLLEY, Reginald H, (See Curtis, 
Otis F., 89) 
Color phenomena in Coniothryium, 465 
Coniothyrium pirinum, dimorphism in, 
449 
Crabill, C. H. Dimorphism in Coni- 
othyrium pirinum Sheldon, 449 
Culture of Pyronema, 289 
Curtis, Otis F. and Colley, Reginald 
H. Picro-nigrosin, a combination 
fixative and stain for algae, 89 
Danthonia Cusickii, 305; Macounii, 305 
Development of Pyronema confluens 
var. inigeum, 289 
Development, on the relation of, to 
temperature and aeration of the soil, 
211 
Dimorphism in Coniothyrium pirinum, 
000 
Diplodia, characters of genus, 329 
Diplodia gossypii, 326; natalensis, 326; 
tubericola, 328 
Diplodiella, probable non-validity of, 
324 
Distilled water, the toxicity of, 389 
Durio zibethinus, transverse section, 246 
Ehlers, John H. The temperature of 
leaves of Pinus in winter, 32 
Endothia parasitica, 162; 429 
Equisetum, hybrid, on the anatomy of, 
225 
Equisetum variegatum, var. Jesupi, 225 
Eragrostis Barrelieri, 308; cilianensis, 
309; fioridana, 308 
Espeletia argentea, 477; banksiaefolia, 
471; bracteosa, 484; corymbosa, 484; 
floccosa, ;funckii, 485; grandiflora, 
474; grisea, 477; jahnii, 479; lindenii, 
483; moritziana, 472; neriifolia, 472; 
paltonioides, 482; pannosa, 480; 
schultzii, 475; spicata, 479; weddellii, 
•473 
Excretions, toxic, by roots, 396 
Expressed vegetable saps, osmotic pres- 
sure of, 418 
Factors influencing flower size in Nicoti- 
ana with special reference to questions 
of inheritance, 332 
Fagus grandifolia, transverse section, 246 
Fixative and stain for algae, 89 
Flora of New York and vicinity, 23 
Floral parts in Angiosperms, 8 
Foliar evidence as to ancestry of Angio- 
sperms, I 
Foliar evolution, 13 
Forsaith, C. C. Some features in the 
anatomy of the Malvales, 238 
Fouguieria splendens, daily growth rate 
of roots, 220; hourly growth rate of 
roots, 221 
Fremontia californica, transverse section, 
246 
Fromme, F. D. Negative heliotropism 
of urediniospore germ tubes, 82 
Galls of Gymnosporangium, anatomical 
study of, 402 
Gates, Frank C. A woody stem in 
Merremia gemella induced by high 
warm water, 86 
Gates, R. Ruggles. Heredity and 
mutation as cell phenomena, 519 
Genetic relationships, experimental study 
of, 132 
Genetic relationship of parasites, 116 
Geophytes, 24 
Germ-tubes of urediniospores, 82 
Glomerella cingulata, utilization of pen- 
toses by, 375 
Glucose, as source of carbon, 382 
Gnetum, morphology of, 161 
GooDSPEED, T. H. and Clausen, R. E. 
Factors influencing flower size in 
Nicotiana with special reference to 
questions of inheritance, 332 
Grasses, new or noteworthy, 299 
Greenman, J. M. Morphology as a 
factor in determining relationships, 
III 
Growth-forms of the flora of New York 
and vicinity, 23 
Gymnopogon Chapmanianus, 306 
