190 
Corydalis sempervirens, 117; 121 
Corylus rostrata, 90 
Crescentia lere, 144 
Cribraria, 43 
Seat William, 95 
Croc 2 
Coki sagittalis, 35 
Cryptomeria japonica, 56 
Cucurbita maxima, 143; pepo, 19 
Cummings, George B., 94 
Cunila origanoides, 10, 113, 148 
2 
Cypripedium acaule, 29, 116, 121. 
eh ; parviflorum, 121; couicdcens: 
121 
Dasystephana ada 35 
Dearborn, R. B., A Case of Sprout 
nesin Meat fon Adventitious 
Buds on the Roots of Cabbage, 
176 
Delphinium orientale, 175 
Demerec, M., 124 
Drentata dinkvile 90 
Deringa canadensis, 35 
Dermatocarpon, 182; miniatum aqua- 
ticum, 154 
Deschampsia flexuosa, 155 
1 
Dionaea muscipula, 1 
Diospyros virginiana, 56 
Ditrichum tortile, 16 
Dodge, B. O., 126 
Doellingeria murhafiche. 35, 168 
Douglis, Minnie G., 185 
Downer, William J., 
Prosi filiformis, 179; 
7; 
A7 + 56.95 
147; tOlla, 
longifolia, 
179 
Dryopteris parasitioa’ 142; porteana, 
142; tetragona, 142 
Ecological Observations of Colorado 
yxomycetes, Ernest C. Smith, 
Elaeagnus umbellata, 30 
Elwert, Max A., 56, 186 
Empetrum nigrum, 165 
Epigaea repens, 156 
Epilobium angustifolium, 174; colora- 
m, 
Equisetum aquaticum, 184; hyemale, 
178 
Erigeron pulchellus, 35 
Eriophorum spissum, 156 
Erodium cicutarium, 76 
Eupatorium compositifolium, 2; per- 
foliatum, 35; purpureum, 35; 
urticaefolium, 35; verbenaefo- 
ium, 17 
Euphorbia polygonifolia, 152 
snr Plants in Forests, Supplemen- 
tary Note, Roland M. Harper, 48 
Explanation of Frost Crystals on 
dried plant stems, An, H. M. 
Jennison, 111 
Extension of Range of Downy Poplar, 
Fred R. Clark, 110 
sheeted Frost Crystals on Dried 
_ of Dittany, Raymond H. 
rey, 10 
Farr, Wanda Kol 
Feld, Estelle, 185 
Ferguson, William Cashman, 
n Taylor, 50 
Fernald, oe 94 
Festuca nutans, 155 
Field Trips of the Club, 16, 54, 85, 
116, 151, 1 
Fisher, Clyde, 125 
Fissidens taxifolius, 85 
Francis, Dorothy S., 58 
Freak F lower aa jr Chinese Sacred 
y K. Henry, 145 
Frost Coad: on rota Plant Stems, 
An Explanation of, H. M. Jen- 
Nor- 
nison, 1 
Frost Flowers, Additional Notes, A. 
Graves, 113 
