12 
Annals of Botany . 
(*)> 26 , 953, 955; male flower (*), 26 , 
970, 974; male strobilus (*), 26 , 970; 
ovule (*), 26 , 963; peduncle (*), 26 , 
956. 
Ephedra, structure: bast (*), 26, 1095; cortex 
(*), 26 , 1096 ; leaf (*), 26 , 1097 ; pith (*), 
26 , 1078; primary vascular strands (*), 
26 , 1079 ; secondary wood (*), 26 , 1084 ; 
root, 26 , 1097. 
— spp., seedling-structure (*), 24 , 319. 
— altissima, fertilization (*), 23 , 509. 
— — and E. distachya, relationship (*), 26 , 
962. 
Epiblast, nature of (*), 30 , 514. 
Epidermis, optical behaviour (*), 23 , 460. 
Epigyny, discussion, 23 , 632. 
Epilobium, spp., insect visitors, 22 , 612. 
Epimedium pinnatum, vascular anatomy (*), 
22, 674. 
Epiphytes, ants and, 24 , 466 ; transpiration, 
26 , 436. 
Equisetales, cones of, 29 , 258. 
Equisetum, anatomy of cone and fertile stem 
(*), 26 , 663 ; 27 , 168 ; alternation and 
superposition of whorls of cone (*), 26 , 
679; apex of cone, 26 , 682; centripetal 
xylem (*), 23 , 587; transition from fertile 
stem to cone (*), 26 , 690 ; vegetative 
nodes, structure (*), 26, 683. 
— arvense, anatomy of cone (*), 26 , 665 ; 
meiotic divisions (*), 27 , 648 ; premeiotic 
divisions (*), 27 , 644. 
— debile, antheridium development (*), 28 , 
174 ; embryo (*), 28 , 176 ; prothallus (*), 
28 , 163, 166 ; sexual organs (*), 28 , 172 ; 
spore germination (*), 28 , 164. 
— limosum, anatomy of cone (*), 26 , 675. 
— maximum, branching cone (*), 29 , 249 ; 
cone anatomy (*), 29 , 232 ; course of 
vascular strands (*), 29 , 235, 242 ; fertile 
stem (*), 29 , 252; medullary tracheides 
(*), 29 , 240 ; phytogeny of cone, 29 , 258 ; 
whorls of cone, position, 29 , 238. 
— palustre, anatomy of cone (*), 26 , 665. 
Ericaceae, distribution of endophyte in sym- 
biotic, 29 , 123. 
Erysimum pulchellum, seedling anatomy, 28 , 
7 i 5 . 
Erythrococcus, the genus, 25 , 575 ; descrip- 
tion of species, 25 , 609 ; diagnosis, 25 , 
606 ; distribution, 25 , 632 ; historical re- 
view, 25 , 587 ; key to species, 25 , 608 ; 
properties, 25 , 638. 
Essed, E. : Rice Disease caused by Ustilagi- 
noidella graminicola (*), 25 , 367. 
— The Panama Disease. Preliminary No- 
tice (*), 24 , 488. 
— The Panama Disease. I. (*), 25 , 343. 
-Id. II. (*), 25 , 353. 
— The Surinam Disease. A Condition of 
Elephantiasis of the Banana caused by 
Ustilaginoidella oedipigera (*), 25 , 363. 
Eucalyptus trees, rate of ascent of sap, 24 , 9 1 . 
Eucalyptus Calophylla, pollination and re- 
spiratory activity, 21, 489. 
Euchlaena mexicana, seedling-anatomy, 29 , ' 
198. 
Eupomatia Bennettii, vascular anatomy, 22 , 
671. 
Evans, A. W. : Branching in Leafy Hepa- 1 
ticae (*), 26 , 1. 
— Vegetative Reproduction in Metzgeria 
(*), 24 , 271. 
Evans, I. B. P. : The Cereal Rusts. I. The 
Development of their Uredo my celia (*), 
21, 441. 
Evaporation and temperature, relation be- 
tween, in marsh vegetation (*), 23 , 275. 
— as a measure of the atmospheric promo- 
tion of transpiration (*), 23 , 282 ; mutual 
protection of shoots, 23 , 303. 
Evaporimeter (*), 23 , 284. 
Evolution of Angiosperms (*), 22 , 489 ; of 
species in Ceylon with reference to the 
dying out of species (*), 30 , 1. 
Ewart, A. J. : The Delayed Dehiscence of 
Callistemon rigida, R. Br» (*), 21 , 135. 
— and Rees, B. : Transpiration and the 
Ascent of Water in Trees under Austra- 
lian Conditions (*), 24 , 85. 
Exanthema of Citrus, cause, 25 , 148; de- 
scription (*), 25 , 145 ; histology (*), 25 , 
146; historical, 25 , 145; preventive and 
remedial measures, 25 , 149. 
Exocarpus, comparison of haustorium with 
that of Thesium (*), 24 , 674 ; haustorium 
(*), 24 , 669 ; haustorium and root mor- 
phology (*), 24 , 669 ; phloeotracheides 
(*), 24 , 671. 
Exochorda, spp., seedling-anatomy, 28 , 723. 
Exosmosis of electrolytes as criterion of an- 
tagonistic ion-action (*), 29 , 349. 
Extrafloral nectaries of Polygonum (*), 23 , 
229. 
F. 
Fagaceae, medullary rays, 26 , 1124; struc- 
ture of flower and its bearing on affinity of 
the group (*), 28 , 5°9- 
Fagus sylvatica, seedling-structure, 30 , 594. 
Farm land, plant communities of, 30 , 161. 
Farmer, J. B. : Telosynapsis and Parasyna- 
psis, 26 , 623. 
— and Digby, L. : On the Cytological 
Features exhibited by certain Varietal and 
Hybrid Ferns (*), 24 , 191. 
— — Studies in Apospory and Apogamy in 
Ferns (*), 21 , 161. 
Fasciated seedlings, morphology and physio- 
logy (*), 26 , 389. 
Faull, J. H. : The Cytology of Laboulbenia 
chaetophora and L. Gyrinidarum (*), 26 , 
325- 
— The Cytology of the Laboulbeniales, 25 , 
649. 
Fegatella, spermatogenesis (*), 25 , 299. 
