22 
Annals of Botany . 
Microsclerotia of Cladosporium, growth and 
development, 24 , 366. 
Microspermum, n. gen., description (*), 28 , 
90, 100. 
— samaroides, description (*), 28 , 100. 
Microspore mother-cells of Smilacina race- 
mosa, meiotic divisions (*), 29 , 471. 
Microtome, device for using blade of safety 
razors (*), 25 , 273. 
Migration of nuclei in Phragmidium viola- 
ceum (*), 29 , 293. 
Miller, E. C. : A Physiological Study of 
the Germination of Helianthus annuus 
(*), 24 , 693. 
— Id. II. The Oily Reserve, 26 , 889. 
Mineral salts and chalk, acidity of Sphagnum 
and its relation to, 29 , 65. 
Mimosa, diurnal variation of moto-excita- 
bility (*), 27 , 759 - 
Mimulus luteus, seedling-anatomy, 26 , 739. 
Mirabilis, spp., seedling-structure (*), 26 , 193. 
Mitchell, G. : Contributions towards a 
Knowledge of the Anatomy of the Genus 
Selaginella, Spr. Part V. The Strobilus 
(*), 24 , 19. 
Mitosis, mechanism of 25 , 851. 
— in embryo-sac mother-cell of Lilium (*), 
23 , 343; in Oenothera (*), 26 , 993 ; in 
pollen mother-cells of Acer negundo and 
Staphylea trifolia (*), 28 , 115. 
Mitrospermum, n.gen., description, 24 , 503. 
— compressum, attribution to Cordaites, 
24 , 504; characters (*), 24 , 491 ; descrip- 
tion, 24 , 503 ; inner flesh (*), 24 , 496 ; 
nomenclature, 24 , 501 ; nucellus and em- 
bryo sac (*), 24 , 497 ; sarcotesta (*), 24 , 
495 , 499 ; sclerotesta (*), 24 , 492, 499; 
seed base (*), 24 , 500; vascular supply 
(*), 24 , 497, 501. 
Miyake, K., and Yasui, K. : On the Game- 
tophytes and Embryo of Pseudolarix (*), 
25 , 639. 
Mnium affine var. ciliaris, spermatogenesis 
(*), 29 , 44 1 I androcvte (*), 29 , 447 ; 
blepharoplast (*), 29 , 450; chromosome 
formation (*), 29 , 446 ; resting stages and 
prophase (*), 29 , 445 ; sperm-cell vacuoles 
(*), 29 , 449 ; sperm, final stages in de- 
velopment (*), 29 , 452 ; telophases (*), 
29 , 446. 
— hornum, meiotic divisions (*), 23 , 
146; nuclear division, 22 , 328; (*), 23 , 
1 41 ; premeiotic development (*), 23 , 
143 ; sex-determination (*), 29 , 433 ; 
spermatogenesis 24 , 235; (*) 25 , 422; 
spore-formation (*), 23 , 141. 
Mockeridge, F. A. : Some Conditions 
influencing the Fixation of Nitrogen by 
Azobacter and the Growth of the Organism, 
26 , 871. 
Monocotyledons, origin (*), 22 , 713; 25 , 
717 : cytology, 25 , 738 ; degeneracy, 
25 , 720; distribution, 25 , 719; embryo- 
logy, 25 , 738; geological evidence, 25 , 
718; inheritance of acquired characters, 
25 , 741 ; isolation and natural selection, 
25 , 743 ; percentages of natural orders, 
25 , 719; reproductive organs, 25 , 737; 
structure, 25 , 732; water requirements, 
25 , 724; water-storage organs, 25 , 724. 
Monocotyledons and Cycads, 25 , 725. 
Monocotyledonous Dicotyledons, 25 , 727. 
— embryo, morphology (*), 30 , 509. 
Monodora Myristica, vascular anatomy, 22, 
671. 
Morus alba, anatomy of leaf-fall (*), 25 , 90. 
— nigra, anatomy of leaf-fall, 25 , 90 ; mor- 
phology of ovule (*), 23 , 632. 
Moto-excitability in Mimosa, diurnal varia- 
tion (*), 27 , 759 - 
Mottier, D. M. : Mitosis in the Pollen 
Mother-cells of Acer negundo, L., and 
Staphylea trifolia, L. (*), 28 , 115. 
— On the Prophases of the Heterotypic 
Mitosis in the Embryo-sac Mother-cell of 
Lilium (*), 23 , 343. 
— The Development of the Heterotypic 
Chromosomes in Pollen Mother-cells (*), 
21, 309. 
Mucilage canals of Marattiaceae, develop- 
ment and structure (*), 29 , 41 1. 
— glands of Undaria (*), 23 , 613. 
Multinucleate cells in growing tissues (*), 
29 , 598, 599- 
Multiseriate ray of Dicotyledons, origin (*), 
25 , 1005. 
Murphy, P. A. : Morphology and Cytology 
of the Sexual Organs of Phytophthora 
erythroseptica, Pethyb. (Preliminary 
Note), 28 , 735. 
Mutation theory, 30 , 560 ; and endemism, 
30 , 551. 
Mycetozoa and Plasmodiophoraceae, rela- 
tionship (*), 28 , 227. 
Mycorhiza, historical account, 29 , 99 ; of 
Amyelon radicans (*), 23 , 603 ; of Asarum 
europaeum (*), 26 , 769; of Gastrodia 
eJata, 25 , 521. 
Myosotis, spp., insect visitors, 22, 61 1. 
Myosurus minimus, seedling-anatomy, 28 , 
707. 
Myrica Gale, nodules: bacteria, 26 , 114; 
effect of, on growth of plants, 26 , 115; 
nitrogen fixation, 26 , 115 ; origin (*), 26 , 
1 1 4 ; structure (*), 26 , 112. 
ovule : morphology (*), 23 , 629 ; 
structure and development (*), 23 , 353. 
— spp., seedling-structure (*), 30 , 581. 
Myricaceae, structure of ovule, 23 , 692. 
Myristica, internal phloem (*), 22 , 526. 
Myxomycetes, formation of capillitium (*), 
28 , 1. 
N. 
Names of weeds, common and local, 27 , 163. 
Nandina domestica, vascular anatomy (*), 
22, 674. 
