INDEX TO VOLUME V 
Colocasia esculenta, the dasheen, 447 
Cololejeunea contractiloba, 132 
Comparison of salt requirements for 
young and for mature buckwheat 
plants in water cultures and sand 
cultures, 186 
Conservatism and variability in the 
seedling of Dicotyledons, 120 
Contrast in the floras of eastern and 
western Newfoundland, 237 
Copper and zinc as antagonistic agents 
to the " alkali " salts in soils, 151 
Corn, respiration and catalase activity 
in, 207 
Cottea pappophoroides, cleistogene in, 256 
Crotonocalyces, section of Cyrtandreae, 
259 
Cryptococcus Ludwigi, 5 
Cyrtandra baccifera, 274; begoniaefolia, 
268; caulescens, 275; cordifolia, 264, 
var. gynoglabra, 265; crassifolia, 265; 
kealiae, 260; Knudsenii, 261; malaco- 
phylla, 262, var, erosa, 262; mauiensis, 
266, var. truncata, 266; Pickeringii, 
275, var. honolulensis, 277, var. 
waiheae, 276; platyphylla, 269, var. 
hiloensis, 273, var. membranacea, 273, 
var. parviflora, 272, var robusta, 274, 
var. typica, 271, var. stylopubens, 271, 
forma ovata, 272; tintinnabula, 267; 
Wawrai 263 
Cyrtandreae Hawaiienses, Sect. Crotono- 
calyces Hillebr., 259 
Cytology of Eocronartium muscicola, 397 
Dactylis, type of, 252 
Danthonia spicata, cleistogene in, 254 
Dasheen, calcium oxalate in, 447 
Demonstration of photosynthesis, 105 
Development of some exogenous species 
of Agarics, 36 
Dickson, James Geere. The value of 
certain nutritive elements in the 
development of the oat plant, 301 
Disease resistance in plants, breeding 
for, 279 
Douglas, Gertrude E. The develop- 
ment of some exogenous species of 
Agarics, 36 
Echinops sphaerocephalus, structure of 
seedling of, 122, 124 
Effect of illuminating gas and its con- 
stituents on certain bacteria and 
fungi, I 
Effect of tobacco smoke and methyl 
iodide vapor on the growth of certain 
micro-organisms, 177 
Endurance of extreme conditions and 
its relation to the theory of adapta- 
tion, 507 
Entoloma cuspidatum, development of, 
48; flavifolium, 45; grayanum, 47 
Eocronartium muscicola, cytology of, 397 
Ephedra dioica, seedling type of, 124 
Epiphytes, osmotic concentration of 
tissue fluids of, 490 
Erianthus, type of, 251 
Ethylene, effect of, on bacteria and 
fungi, 22 
Euosmolejeunea parvula, 143 
Evans, Alexander W. Noteworthy 
Lejeuneae from Florida, 132 
Fagopyrum esculentum, salt requirements 
for, 186 
Farr, Clifford H. Cell division by 
furrowing in Magnolia, 379 
Fernald, M. L. The geographic affi- 
nities of the vascular floras of New 
England, the Maritime Provinces, 
and Newfoundland, 219; The contrast 
in the floras of eastern and western 
Newfoundland, 237 
Fisetin, yellow wood pigment, of Rhus, 
114 
FiTz PATRICK, Harry M. The cytology 
of Eocronartium muscicola, 397 
Flavones of Rhus, 112 
Florida, Lejeuneae from, 132 
Floras of New England, Maritime 
Provinces, and Newfoundland, 219; 
of Newfoundland, 237 
Fungi, effect of gas on, i 
