122 



GENERAL INDEX. 



Geotropism, 1 69 



Gerard's Herbal, extract as to first 



British record, I 15 

 Germination, I 16 

 Giesenhagen, K., on action of gravity, 



I 69 



— on bulbils, I 38, 41, 43 



— on enemies of Charophytes, I 10 



— on young shoot, I 23 

 Glossary of terms, I 72 



Goebel, K., on geotropic action and 



heliotropism, I 69 

 Gregarious habit, I 9 

 Guignard, L., oni development of anthe- 



rozoids, I 49 



Haberlandt, G., on geotropism, I 69 



— on stem-cortex, I 36 

 Head-cells of cortex-nodes, I 35 



— in antheridium, I 48 

 Heliotropism, I 69 



Hill, A. W., on head-cells in cortex, I 35 

 Historical sketch of British taxonomie 



literature relating to group, I 81 

 Hybridity, I 65 ; II 33, 43, 59 



Incrustation, I 6 



— annular, I 96 



Intermittent occurrence of some species, 

 I 10 



Karyokinesis, I 65 



Kennard and Woodward on Chara- 



marl. 111 

 Key to British species, I 92 



— to genera, I 91 



Kuczewski, 0., on branchlet-node, I 27 



— on stem-node, I 23, 41 



Lake areas in Scotland, occurrence in, 



19 

 Lakes, English, ecology of, I 8 

 Leaves, application of term to branch- 

 lets, I 25 

 Le Maout and Decaisne on uses, I 11 

 Lime-shell, I 61 ; II 9 

 Lindley, J., on position of group, I 3 

 Linnseus, on position of group, I 2 

 Linnean species, treatment of, I 89 



McNicol, M., on pro-embryo, I 22 



— on root bulbils, I 40 

 Manubrium, I 47, 48 

 Membrane, oospore-, I 56 



conspectus of different forms of, 



169 

 decoration of, I 59 



Migula, W., on forms of Char a vulgaris, 



I 87 ; II 21 

 Mucus surrounding reproductive organs, 



146 



Nomenclature, I 88 



Nordstedt, C. F. 0., on germination, 

 I 22 



— on oospore-membranes, I 57, 59, 98 

 Number of species, estimated, I 1 



Oogonium, position of, I 43 



— structure of, I 50, 55 

 Gosphere, I 51 

 Oospore, I 56 



— conspectus of distinctive forms, 



169 

 Oospore-membrane, I 56 

 Oospore-ridges, I 58 



Parthenogenesis, I 63 ; II 17 



Pearsall, Messrs., on ecology of Nitella 



opaca, I 7 

 Pliny's reference to Caesar's " Chara," 



I 13 

 Popular names, I 11, 14 

 Position of group, I 2 

 Praeger, R. Lloyd, Irish records, I 85 

 Pringsheim on branches with naked 



base, I 25 



— on pro-embryonic growth, I 21 

 Pro-embryo, I 19 



Prosper, E. R., on uses, I 12 

 Protandry, I 63, 107 



Range in time, table of, II 86 



Rank of group, I 2 



Reichard, position of group, I 2 



Reproductive organs, I 43 



Rhizoids, I 17 



Richard, L., constituted order Characece, 



13 

 Root system, I 17 



Sachs, J., constituted division Oharo- 

 phyta, I 3 



— on histology, I 24, 26 

 Schimper, A. E. W., on salinity of 



Baltic Sea, I 6 

 Sexual phenomena, I 62 



— plant, I 22 



Skertchley, J. B. J., on shell-marl, I 11 



Smell, characteristic, I 10 



Smith, J. E., on position of group, I 3 



Spine-cells, I 35 



Spiral cells, I 51 



Stalk-ceUs, I 45 



Stem, structure of, I 23 



