Index to Vols. 
Bignoniaceae, seedling-anatomy (*), 26 , 740. 
Binucleate cells in growing tissue, 29 , 597. 
Black, C. A. : The Morphology of Riccia 
Frostii, Aust. (*), 27 , 511. 
Blackledge, L. M. : Variations in the NaCl 
Content of Non-halophytes, 27 , 168. 
Blackman, V. H., and Paine, S. G. : A Re- 
cording Transpirometer (*), 28 , 109. 
Blackman, V. H., and Welsford, E. J. : 
Fertilization in Lilium (*), 27 , hi. 
— Studies in the Physiology of Parasitism. 
II. Infection by Botrytis cinerea (*), 30 , 
389. 
— ■ The Development of the Perithecium of 
Polystigma rubrum, D.C. (*), 26 , 761. 
Blackwell, E. M. : Preliminary Note on 
Occurrence of Stomata in Hypogeal Coty- 
ledons, 28 , 545. 
Blasia pusilla, spermatogenesis (*), 27 , 93. 
Blechnum, description (*), 28 , 370; phylo- 
geny (*), 28 , 371, 415 ; sorus (*), 28 , 371, 
405. 
Blepharoplast of Derbesia (*), 22 , 6. 
Bliss, M. C. : Contribution to the Life- 
history of Viola (*), 26 , 155. 
Blomfield, J. E., and Schwartz, E. J. : 
Some Observations on the Tumours on 
Veronica chamaedrys caused by Soro- 
sphaera Veronicae (*), 24 , 35. 
Bocconia japonica, seedling-structure, 28 , 
719- 
Bonnier and Mangin’s apparatus for air 
analysis, on (*), 27 , 565. 
Boodle, L. A. : Abnormal Phyllotaxy in the 
Ash, 29 , 307. 
— On the Occurrence of Different Types of 
Hair in the Wallflower (*), 22 , 714. 
— On the Production of Dwarf Male 
Prothalli in Sporangia of Todea (*), 22 , 
231. 
— On the Trifoliate and other Leaves of 
the Gorse (Ulex europaeus, L.), 28 , 527. 
— and Hiley, W. E. : On the Vascular 
Structure of some Species of Gleichenia 
(*), 23 , 419. 
Boron, action of compounds of, on growth of 
plants (*), 28 , 293. 
Bose, J. C. : On Diurnal Variation of Moto- 
excitability in Mimosa (*), 27 , 759. 
Bothrodendron, branching and branch shed- 
ding (*), 29 , 223; description of new 
specimens (*), 29 , 226. 
— minutifolium, description (*), 29 , 226; 
relationship with B. punctatum, 29 , 229. 
— punctatum and minutifolium, relationship, 
29 , 229. 
Botrychium Lunaria, axillary buds (*), 27 , 
225 ; external features, 27 , 203 ; rhizome, 
branching of (*), 27 , 225 ; rhizome, vascu- 
lar anatomy (*), 27 , 217 ; stelar anatomy 
(*), 27 , 205. 
Botrydina vulgaris, cultures, 23 , 580 ; en- 
velope (*), 23 , 581 ; multiplication (*), 23 , 
XXI-XXX. 5 
583 ; origin and nature (*), 23 , 583 ; 
structure (*), 23 , 582. 
Botryopteris, affinities of genus, 25 , 1053. 
— antiqua, branching of diarch petiolar 
bundle (*), 25 , 1048 ; general morphology 
and range of variation (*), 25 , 1046 ; leal- 
trace and petiolar bundle (*), 25 , 1047; 
monarch petiolar bundle and aphlebiae (*), 
25 , 1048; node and internode (*), 25 , 1047 5 
pseudo-secondary thickening (*), 25 , 1052; 
root-bearing zones of stem-stele (*), 25 , 
1051; sporangia attributed to (*), 24 , 819. 
Botrytis cinerea, action of, 29 , 313, 328; 
biology (*), 22, 479 ; chemistry of extract, 
29 , 338 ; infection by (*), 30 , 389 ; lethal 
principle of extract, 29 , 345 ; physical 
relationships of extract, 29 , 335 ; prepara- 
tion of extract, 29 , 3 1 8. 
Bottomley, W. B. : The Root-nodules of 
Ceanothus americanus (*), 29 , 605. 
— The Root-nodules of Myrica Gale (*), 
26 , hi. 
— The Significance of Certain Food Sub- 
stances for Plant Growth (*), 28 , 531. 
Bowenia spectabilis, ovule : comparison with 
Pteridosperms, 26 , 642 ; description (*), 
26 , 626; pollen chamber (*), 26 , 641 ; 
vascular supply (*), 26 , 63 r. 
Bower, F. O. : Note on Ophioglossum sim- 
plex, Ridley, 22 , 327. 
— Notes on the Morphology of Ophio- 
glossum (Cheiroglossa) palmatum, L. (*), 
25 , 277. 
— Medullation in the Pteridophyta (*), 25 , 
555, 1206. 
— On the Primary Xylem and the Origin of 
Medullation in the Ophioglossaceae (*), 
25 , 537. 
— Studies in the Phylogeny of the Filicales. 
I. Plagiogyria (*), 24 , 423. 
— Id. II. Lophosoria and its Relation to 
the Cyatheoideae and other Ferns (*), 26 , 
269. 
— Id. III. On Metaxyla and certain other 
Primitive Ferns (*), 27 , 443. 
— Id. IV. Blechnum and Allied Genera (*), 
28 , 363. 
— Id. V. Cheiropleuria bicuspis, (Bl.) Presl, 
and certain other related Forms (*), 29 , 
495 - 
Bulbils, of Lamprothamnus alopecuroides (*), 
21 , 61 ; of Lilium (*), 28 , 355. 
Buller, A. H. R. : The Function and Fate 
of the Cystidia of Coprinus atramentarius, 
together with some General Remarks on 
Coprinus Fruit-bodies (*), 24 , 613. 
Buphthalmum speciosum, seedling-structure, 
28 , 308. 
Burkill, I. H.: see Willis, J. C. 
Butler, E. J. : On Allomyces, a new 
Aquatic Fungus (*), 25 , 1023. 
Butler, O.: A Study on Gummosis of 
Prunus and Citrus, with Observations on 
