Index to Vols. XI-XX. 
Lygodium, habit, xv. 360 ; petiole-structure 
and node (*), xv. 366 ; root-structure, xv. 
370 ; seedling-structure (*), xv. 371; stem- 
structure (*), xv. 361. 
Lysichiton, antipodal cells (*), xiv. 15 ; em- 
bryo (*), xiv. 17 ; endosperm (*), xiv. 16 ; 
ovule development (*), xiv. 13. 
M. 
Macdougal, D. T. — Symbiotic Sapro- 
phytism (Plates I and II and one text- 
figure), xiii. 1. 
Macfadyen, A., and Barnard, J. E. — On 
Luminous Bacteria, xvi. 587. 
— and Rowland, S. — On the Suspension of 
Life at Low Temperatures, xvi. 589. 
Macrozamia Fraseri, structure of sporophyll, 
xii. 224. 
Magnesium chloride, effect of on carbon- 
assimilation in Ulva latissima, xv. 62. 
— nitrate, effect of on carbon-assimilation 
of marine Algae, xv. 673. 
— sulphate, effect of on carbon-assimilation 
in Ulva latissima, xv. 65. 
Magnus, P. — On Aecidium graveolens 
(Plate XIV), xii. 155. 
— On some Species of the Genus Uro- 
phlyctis (Plates VII and VIII), xi. 87. 
Magnusia Bartlettii, n. sp., description (*), 
xv. 333- 
— nitida, description (*), xvi. 69. 
Malayan Ferns, myrmecophilous (*),xvi. 185. 
Malin'vernia cuiserina, description (*),xv. 334. 
Mamillaria, morphology of embryo and 
seedling (*), xii. 460. 
elongata, morphology (*), xviii. 377 ; 
physiology, xviii. 395 ; root-structure (*), 
xviii. 381; stem - structure, xviii. 378; 
tubercle, homology of, xviii. 392 ; tubercle- 
structure (*), xviii. 384. 
Mangrove seedlings, dispersal (*), xvii. 267. 
Marasmius Sacchari causing root-disease of 
Sugar-cane (*), xvii. 391. 
Marattiaceae, anatomy of Archangiopteris 
Henryi and other (*), xix. 259. 
— anatomy of Danaea and other, xv. 777. 
— anatomy (*), xvi. 517; comparison with 
Psaronius (+), xvi. 381 ; frond (*), xvi. 
536; mucilage-ducts (*), xvi. 390, 547; 
root, xvi. 545 ; spore-producing members, 
morphology, xi. 488 ; stem (*), xvi. 371, 
544 ; vascular strands, arrangement and 
structure (*), xvi. 371. 
Marattia fraxinea, secondary thickening (*), 
xvi. 388 ; vascular skeleton of young sporo- 
phyte (*), xvi. 376. 
Marloth, R. — Some recent Observations 
on the Biology of Roridula (one text- 
figure), xvii. 15 1. 
Marshall-Ward, H.— A Potato Disease, 
xii. 561. 
— A Violet Bacillus from the Thames 
(Plate VI), xii. 59. 
23 
Marshall-Ward, H. — On Peziza aurantia, 
xi. 339- 
— On the Ginger Beer Plant, xi. 341. 
— On the Relations between Host and 
Parasite in the Bromes and their Brown 
Rust, Puccinia dispersa, xvi. 233. 
— Penicillium as a Wood-destroying Fungus, 
xii. 565. 
— Recent Researches on the Parasitism of 
Fungi, xix. 1. 
— Some Methods for use in the Culture of 
Algae (Plate XXVIII), xiii. 563. 
— Some Thames Bacteria, II (Plates XX 
and XXI), xii. 287. 
— Id. Ill (Plates XII-XIV), xiii. 197. 
— Symbiosis, xiii. 549. 
— The Bromes and their Rust-fungus (Puc- 
cinia dispersa), xv. 560. 
Marsilia quadrifolia, development of leaf and 
sporocarp (*), xii. 119; capsule (*), xii. 
131 ; lamina (*), xii. 125 ; leaf (*), xii. 120 ; 
petiole (*), xii. 122 ; sori (*), xii. 133 ; 
sporocarp (*), xii. 127; stalk (*), xii. 130 ; 
vascular-bundle system (*), xii. 132. 
Maslen, A. J. — The Ligule in Lepidostrobus 
(one text-figure) (+), xii. 256. 
— The Relation of Root to Stem in Cala- 
mites (Plates I and II and one text-figure) 
(+), xix. 61. 
— and Scott, D.H.— Note on the Structure 
of Trigonocarpon olivaeforme (t), xx. 109. 
Mason-J ones, A. J., and Ewart, A. J. — 
The Formation of Red-wood in Conifers 
(Plate XV), xx. 201. 
Massee, G. — A Monograph of the Genus 
Inocybe (Plate XXXII), xviii. 459. 
— A Monograph of the Geoglosseae (Plates 
XII and XIII), xi. 225. 
— On the Origin of Parasitism in Fungi, 
xviii. 319. 
— On the Presence of Binucleate Cells in 
the Ascomycetes (one text-figure), xix. 325. 
— and Salmon, E. S. — Researches on Co- 
prophilous Fungi, I (Plates XVII and 
XVIII), xv. 313. 
— Id. II. (Plates IV and V), xvi. 57. 
Matonia, functional relations of vascular 
system in connexion with its evolution, 
xix. 510. 
— pectinata, affinities, xiii. 320; leaf-mor- 
phology, xix. 477; protoxylems (*), xix. 
503 ; roots, xix. 513 ; structure, xiii. 319 ; 
vascular system (*),xix. 482 ; young plants 
(*), xix. 475. 
— sarmentosa, structure, xix. 481. 
Matonia-type of structure, morphological 
position and origin, xix. 508. 
Matthaei, G. L. C. — The Effect of Tem- 
perature on Carbon Dioxide Assimilation, 
xvi. 591. 
— and Blackman, F. F. — On the Reaction 
of Leaves to Traumatic Stimulation 
(Plate XXIX and five text-figures),xv.533. 
