500 



INDEX. 



Leaves, of Alicularia scalaris, arrange- 

 ment of cells in 63 ; of Blasia pusilla, 

 47 ; of Equisetacese, formation of, 

 269 ; of Fegalella conica, cell-divi- 

 sion in, 109 ; of Fossombronia pusilla, 

 development of, 58, 63 ; of Frul- 

 lania dilatata, development of, 61 ; 

 of Haplomitrium, development of 

 63 ; oi Isoetes lacustris, arrangement 

 of, 354, 356 ; development of, 344; 

 fertile, of Isoetes lacustris, 362 ; 

 sterile and fertile, interchange of 

 in Isoetes lacustris, 362 ; of Jun- 

 germannise, 57, 63; Gottsche on 

 the development of, 85 ; of Jun- 

 germannia curta and crenulata, 

 arrangement of cells in, 63 ; of 

 Jungerrnannia bicuspidata, conni- 

 vens, and divaricata, development 

 of, 59; of Lophocolea, development 

 of, 58 ; of Lunularia, development 

 of, 110 ; of Marchantia polymorpha, 

 110 ; of mosses, 142, 147 ; Nageli, 

 Schleiden, and Grisebach on the 

 growth of, 147 ; pocket at base of, 

 143 ; of Orthotrychum affine, deve- 

 lopment of, 139 ; of Phascum cuspi- 



! datum, 146 ; of Ptilidium ciliare, 

 development of, 60 ; of Radula 

 complanata, 63; of Rebouillia, 110; 

 of Riccia glauca, 92 ; of Riella 

 Reuteri, and R. (Duriena) helico- 

 phylla, 98 ; of Selaginelia, produc- 

 tion of, 376, 396 ; of Sphagnum, 

 arrangement of, 136 ; development 

 of, 135 ; of Targionia, development 

 of, 110. 



Lepidozia reptans, cell-multiplication 

 in apex of stem of, 442. 



Lesczyc-Suminski, on the archegonia 

 and fecundation of ferns, 258; on 

 the spermatozoids of Pteris aquilina, 

 189. 



Lindenberg on the fructification of 

 Riccia, 97. 



Linnaeus on Marchantia polymorpha, 

 133. 



Liverworts and mosses not natural 

 equivalent groups, 436 ; classifica- 

 tion of, 437. 



Liverworts, leafy antheridia of, 65 ; 

 development of archegonia in, 67 ; 

 calyx or perianth of, 68. 



Lophocolea, antheridia of, 65 ; deve- 

 lopment of leaves of, 58. 



Lophocolea bidentata, 441 ; cell-multi- 



plication in stem of, 56 ; scarcity of 



antheridia and fruit in, 72. 

 Lophocolea heterophylla, antheridia of, 



axillary, 73; development of fruit 



of, 74, 77 ; germination of, 54; 



leaves of, 58. 

 Lunularia, buds or bulbils of, 104 : 



development of leaves of, 110. 

 Lunularia vulgaris, shoots of, 108 ; 



vegetative organs of, 102 ; Bischoff 



on, 126; GrSnlandon, 127. 

 Lycopodiacege, reproduction of, 398. 

 Lycopodium, mode of vegetation of, 



resembling that of Polypodiacese, 



398. 

 Lycopodium clavatum, inundulum, and 



Selago, experiments in sowing spores 



of, 398. 

 Lycopodium inundatum, De Bary's 



observations on the spores of, 



399. 



Macrosporangium of Selaginelia hor- 

 tensis, 387. 



Macrospores, structure of, in Isoetes 

 lacustris, 338 ; development of, in 

 Selaginelia hortensis, 387 ; in S. 

 Qaleottii, helvetica, Martensi, and 

 spinulosa, 398 ; in S. helvetica, and 

 hortensis, 393. 



Madotheca platyphylla, development 

 of antheridia of, 65, 67 ; cell-multi- 

 plication in apex of stem of, 442 ; 

 spermatozoids of, 67. 



Marattia cicutcefolia, vegetation of 

 254. 



Marattiaceas, De Vriese and Harting 

 on, 254. 



Marchantia, buds or bulbils of, 104 ; 

 104 ; inflorescence of, 111; motile 

 spermatozoids first seen in by 

 Unger, 127. 



Marchantia polymorpha, antheridia of 

 120 ; development of leaves of, 110 ; 

 shoots of, 108 ; spermatozoids of 

 121 ; vegetative organs of, 102 ; 

 Dillenius, Linnaeus, Micheli, Mirbel, 

 and Bupp on, 123 ; H. von Mohl 

 and Nageli on, 124 ; Gronland and 

 Henfrey on, 127. 



Marchantiese, 102 ; air-cavities of, 11], 

 117 ; antheridia of, 120; leaves of, 

 109 ; stem of, 110 ; stomata of, 

 110 ; Bischoff, Gottsche, and Nees, 

 von Esenbeck on, 122 ; Schmidel, 

 123 ; Thuret on, 128. 



