Index to Vo Is. XI -XX. 
13 
Ewart, A. J. — Bacteria with Assimilatory 
Pigments found in the Tropics, xi. 486. 
- — Root-pressure in Trees, xviii. 181. 
— The Action of Chloroform on C 0 2 -as- 
similation, xii. 415. 
— The Action of Cold and of Sunlight upon 
Aquatic Plants, xii. 363. 
■ — The Effects of Tropical Insolation, xi. 
439 , 585- 
— The Influence of Correlation upon the 
size of Leaves (two text-figures), xx. 79. 
— The Resistance to Flow in Wood Vessels 
(three text-figures), xix. 442. 
— and Mason - Jones, A. J. — The 
Formation of Red Wood in Conifers 
(Plate XV), xx. 201. 
Excretion of water from leaves of Lathraea 
squamaria (*), xi. 386 ; of Odontites 
rubra, xi. 392 ; of Pedicularis palustris, xi. 
387; of Rhinanthus Crista-galli, xi. 390; 
of Scrophulariaceae (*), xi. 386. 
Extra-floral nectaries of Hevea brasiliensis 
(*), xviii. 217. 
F. 
Factors, optima and limiting, xix. 281. 
Farmer, J. B. — Observations on the Effect 
of Desiccation of Albumin upon its Coagu- 
lability, xiv. 307. 
— On the structure of a Hybrid Fern 
(Plates XXIII and XXIV), xi. 533. 
— The Quadripolar Spindle in the Spore- 
mother-cell of Pellia epiphylla, xv. 431. 
— and Freeman, W. G. — On the Struc- 
ture and Affinities of Helminthostachys 
zeylanica (Plates XXI-XXIII), xiii. 421. 
— and Hill, T. G. — On the Arrangement 
and Structure of the Vascular Strands in 
Angiopteris, and some other Marattiaceae 
(Plates XVI-XVIII, and one text-figure), 
xvi. 371. 
Fat-destroying fungus (*), xiii. 363. 
Fegatella conica, air chambers (*), xviii. 89 ; 
antheridium (*), xviii. 99 ; antherozoids, 
explosive discharge (*), xvii. 270 ; apical 
branching (*), xviii. 89 ; apical growing- 
point (*), xviii. 88 ; archegonium ('*), xviii. 
105; asexual propagation, xviii. 97; 
capsule wall, structure and dehiscence (*), 
xviii. 112; elaters (*), xviii. no; female 
receptacle (*), xviii. 101 ; germination of 
spores (*), xviii. 114 ; male receptacle (*), 
xviii. 98 ; morphology (*), xviii. 87 ; mu- 
cilage sacs (*), xviii. 92 ; mycorhiza (*), 
xviii. 95 ; rhizoids (*), xviii. 94 ; sexual 
organs (*), xviii. 98 ; sporogonium (*), 
xviii. 108; ventral scales (*), xviii. 93 ; 
ventral tissue (*), xviii. 91. 
Ferguson, M. C. — The Development of the 
Egg and Fertilization in Pinus Strobus 
(Plates XXIII-XXV), xv. 435. 
— The Development of the Pollen-tube 
and the Division of the Generative Nu- 
cleus in certain species of Pinus (Plates 
XII-XJV), xv. 193. 
Fermentation induced by Saccharomyces 
anomalus, xiv. 229. 
Fern prothalli, development of sporangia on, 
xi. 157. 
Ferns, apogamy, xii. 251 ; past history of 
(* t), xx. 215 ; spore-formation in Lepto- 
sporangiate (*), xviii. 445. 
Fern-stele, a new type of (*), xvi. 157. 
Fertilization in Achlya americana var. cam- 
brica (*), xiii. 159 ; Achlya de Baryana (*), 
xviii. 552 ; Achlya polyandra (*), xviii. 549 ; 
Angiosperms, xiv. 689, 702 ; Anthurium 
violaceum var. leucocarpum (*), xix. 332 ; 
Caltha palustris (*), xiv. 318, 527 ; Con- 
jugatae (*), xii. 29 ; Cryptomeria japonica 
(*), xviii. 417 ; Dictyotaceae (*), xviii. 
19 1 ; Monascus (*), xvii. 173 ; Nemalion 
multifidum (*), xviii. 617; Nephthytis 
liberica (*), xix. 342 ; Onoclea (*), xii. 
261 ; Peperomia pellucida (*), xv. 108 ; 
Peronospora parasitica (*), xiv. 263 ; Picea 
excelsa (*), xvii. 362 ; Pinus Strobus (*), 
xv. 447 ; Pythium de Baryanum (*), xv. 
659 ; Pythium ultimum (*), xv. 280 ; Ric- 
cia glauca (*), xx. 275; Saprolegnieae (*), 
xiii. 447, xviii. 541; Sequoia sempervirens 
(*), xviii. 17 ; Sphaerotheca (*), xix. 567 ; 
Tsuga canadensis (*), xiv. 583 ; Uredineae 
(*), xviii. 349, 352. 
— nature of the triple nuclear fusion in An- 
giosperms, xiv. 702. 
Fever reaction after injury, xi. 29. 
Fibres of Schizaeaceae (*), xv. 400. 
Fibrin-digesting protease, nature of, xix. 172. 
Fibrin, digestion of, xvii. 252. 
Ficus Carica, digestion by leaves, xix. 159 ; 
proteolytic action of cradein of, xvi. 7. 
Filicineae, imperfect sporangia, xv. 257 ; 
morphology of sporangial integuments, 
xvi. 598. 
Fissidens aequalis, n. sp., description (*), xiii. 
120. 
— Balansaeanus var. limosus, description, 
xiii. 126. 
— flavicans, description, xiii. 125. 
— Holstii, description, xiii. 122. 
— macrophyllus, description, xiii. 126. 
— mollis, description, xiii. 126. 
— multifloro, description, xiii. 123. 
— ■ Nicholsonii, n. sp ., description (*),xiii. 123. 
— nigro-viridis,»..r/!>., description (*), xiii. 12 3. 
— nitens, description (*), xiii. 12 1. 
var. neglectus, n. var., description 
(*), xiii. 122. 
— radicans , description, xiii. 125. 
— Ravenelii, description, xiii. 124. 
— rufescenti, description, xiii. 121. 
— subscriptus, description, xiii. 126. 
— classification, xiii. 1 1 9 ; geographical dis- 
tribution, xiii. 120; morphology (*), xiii. 
103 ; structure (*), xiii. 106. 
