‘I9t0] 
81; Stary Anna M. Stockberger, 
W. W. 4or Please” Reinharal 473; 
Trelease, W. 159; Tw M. 
Edith 
168; gone, A : 0 Wiegand, 
M. 4 Wolf, F. A. 182; Wuist, 
Elizabeth D 216; Yamanouchi, S. 1, 
227, 394; 39 
Cook, Mel. T. 219, 398 
Cook, O. F., work of 158 
pper sulfate, effect on gr 
Corn from C , Collins on a new 73 
osta Rica, Wolff on plants of 310 
Cotton, bract-modification in 30 
Coulter, J. M. 60, 62, 63, 69, 71, 72, 73 
5, 76, 77, 78, 79, 80, 153, 157, 158, 
225, 314, 316, 318, 471, 473, 474, 475; 
476, 477, 478 
Coulter and Nelson’s ‘‘ Manual of botany” 
397 
Cowles = C. 305, 382, 389, 463, 464, 
467, 4 
Crata (ot Eggleston on 154, 308 
Crocker, William 238, 239, Bi = 3935 
395, 397, 399 405, ate 472, 
Cycnoches, Rolfe 
Cytoplasm in ichilat 189 
Czapek, Fr., work of 474 
D 
Peswaray Alfred 325 
Danaea, Ca ampbell on prothallium and 
atenen f 7 
Dangeard, °p! work of 312, 
Danish West Indies, 
Borgensen on 391 
Danthonia, jee oh paeig. Nash on 155 
avis, B. M., of 64 
Davis, Ch sare Pa ork of 389 
Death by low inearatars: Ratenke on 
eeuies of, 
Dek raine, E., work of 477 
Deleano, N. y -. work of 69 
wars G., ark of 232 
Desert, er dynamics in 382 
DeVries, O. J. J., work of 235 
DeVries A “Mutation theory” 62 
M. G., work of 398 
Dictyomoliisia, Rehm on 310 
—— dichotoma, alternation of genera- 
ns in 55; sexuality in 5 
Diffusion stream in plant organs, Rywosch 
Of 397 
Digby, L., work of 396 
Saar closing cee in 290 
Dixon, H. H., work of 2 
Dre 
Drought resistance 325 
INDEX TO VOLUME XLIX 
481 
Dryopteris, Christensen on 155; Black 
on imbedded prpevtigs 80 
Dunes, oe 
— plants, of Teens, Harshberger 
n leaf eresiusie of 74 
E 
Soe ei Arthur J. 161; work of 77 
everia, Rose and Purpus on 310 
Echinoe actus, Krauter on 156; Kunze 
Ecology, repr 389; of sand plains in 
Ver 
Ecuador, “plants os Gandoger on 309; 
Rosenstock o 
Spvlesion W. W. work of 154, 308 
Eichlam, ~ f 309 
Ei kenberry, W L os 
Elaeagnaceae, ‘Servettaz on monograph 
of 70 
Elmer, A. D. E., bles geome es fe 
Embolanthera, Merrill 
Embryo, of Danaea 78; pr Encephalartos 
ta; 6 teiscaulon 281, 285; of Pin 
abet r 
47 
m sac of Eriocaulon oe 
En ncephalar Sig embryo of 1 
, cytolo; va taxonomy of 
gler’s “‘ Das Pflanzenreich” 385 
Ennealophus 311 
Enzymes, cellulose-forming, n 
309; of fungi, Pringsheim and Zempten 
on 74; of ion, Del n 69; 
oxidizing, Euler and Bolin on 395 
Equisetum, Eames on anatomy of 77 
Eremascus opine 466 
Eria, Leavi 
Ericacea ae, he 
2 ype peace SESE of 
Prana, Greene on 309 
Eryngiu os Wolff on 155, 311 
Escher, H. H., work of 318 
Euler, H., ‘work o of 318, 319, 395 
Euphorbiodendron, Millspaugh on 156 
Evans, W. ork of 319 
Evaporation ay plant societies, Dickey 
on 
Heasciehy Puglisi on transpiration of 
314 
Scaetictvenenn: Merrill on 
— 383; and aridity, MacDougal 
ale ; of fungi, Atkinioe 233 
we rt, A. J., woi rk 0 of 309 
pale Aberson on root 160 
