INDEX. 



497 



of, 292 ; growth of leaves of, 271 ; 

 pith of, 275 ; rhizome of, 278 ; 

 stem of, 271. 



Equisetum palustre, adventitious buds 

 of, 276 ; germination of, 292 ; pith 

 of, 275 ; prothallium of, dioecious, 

 293 ; spore-mother-cells and spores 

 of, 283 ; stem of, 271. 



Equisetum pratense, formation of ad- 

 ventitious buds in, 275 ; pith of, 

 275 ; prothallium of, dioecious, 293 ; 

 stem of, 271. ' 



Equisetum variegatum, pith of, 275 ; 

 stem of, 271. 



Exosporium of Anthoceros, Kiitzing 

 on, 17; of Isoetes lacustris, Roper 

 and Scnleiden on, 338. 



Eegatella conica, Hedwig on, 123 ; 

 Schmidel on, 123 ; archegonia of, 

 114; capsule of, 115; rudimen- 

 tary fruit of, 115 ; cell-division in 

 leaves of, 109 ; shoots of, 102 ; 

 vegetative organs of, 102. 



Ferns, 182 ; alternation of genera- 

 tions in, 434, 435 ; antheridia of, 

 ] 85 ; antheridia and spermatozoids 

 of, discovered by Nageli, 258 ; 

 archegonia of, 189, observed by 

 Nageli, 258; embryo of, 200; 

 growth of first fronds of, 207 ; 

 germinal vesicle of, 193 ; germina- 

 tion of, 182 ; impregnation of, 198, 

 described by Lesczyc-Suminski, 

 258 ; prothallium of, observed by 

 Ehrhart, 257 ; development of 

 roots of, 203, 205 ; spermatozoids 

 of, 187, 188, 189; development of 

 vegetative organs of, 208. 



Fissideus, archegouium of, 149 ; de- 

 velopment of fruit of, 156 ; leaf of, 

 143, 144, 



Fossombronia pusilla, antheridia of, 

 65; archegonia of, 67, 71 ; develop- 

 ment of leaf of, 58, 63 ; spermato- 

 zoidsof, 67; discovered by Schmidel, 

 87; spore-mother-cells and elaters 

 of, 82. 



Fritzsche, observations on the pollen 

 of the Abietinese, 405. 



Fronds, of Aspidium filix-mas, ar- 

 rangement of, 228, tirst formation 

 of, 243, production of, 226; of 

 Aspidium spinulosum, Asplenium 

 filix-femina and A. Trichomanes, 

 development and arrangement of, 



230 ; of Botrychium, succession of, 

 311 ; of Ferns, growth of, 207 ; of 

 Isoeteee, A. Braun on the arrange- 

 ment of, 337 ; adventitious, of Ma- 

 rat tia cicutafolia, 255 ; of Ophio- 

 glossum vulgatum, arrangement and 

 succession of, 313 ; of Pilularia, 

 production of, 324 ; of Platycerium 

 alcicome, 251 ; of Platycerium 

 grande, 253 ; of Polypodium vul- 

 gare and P. Bryopteris, 249 ; of 

 Pteris aquilina, arrangement of, 

 212 ; duration of development of, in 

 young and old plants, 222 ; produc- 

 tion of new, 221 ; and production 

 of in old plants, 224. 



Fronds and sporangia of ferns, analo- 

 gous to fruit of mosses, 435. 



Fructification of Anthoceros, 7 ; of 

 Archidium, Schimper on, 169 ; of 

 Riccia glauca, 92, 93. 



Fruit, development of, in Alicularia 

 . scalaris, 74, 77, 78 ; in Aneura 

 multifida, 44, 45 ; in Anthoceros, 

 11, 12; in Calypogeia Trichomanes, 

 74, 77, 80; in Equisetum, 280 ; in 

 ferns, 256; in Frullania dilatata, 

 74, 78, 80, 82 ; in Jungermannia 

 divaricata, 74, 75, 76 ; in /. bicus- 

 pidata, 74, 77, 78, 82; in J". 

 trichophylla, 77, 82 ; in Lophocolea 

 heterophylla, 77, 78 ; in mosses, 

 156; in Fellia epiphylla, 34; in 

 Radula complanata, 74, 77, 78, 82 ; 

 in Rebonillia hemispherical 114 ; in 

 Riccia glauca, 97. 



Fruit, abnormal, in mosses, 180; of 

 Anthoceros, 18; of Fegatella conica, 

 115; of Jungermannise, observed 

 by Gottsche, 86 ; of Lophocolea 

 bidentata, its rarity, 72; of Mar- 

 chantia polymorpha, 116; of mosses, 

 H. von Mold and Lantzius-Beninga 

 on, 179, Bruchs on, 180; sheath 

 of, in Fellia epiphylla, 36 ; of Pilu- 

 laria globulifera, 320; of lliclla, 

 100 ; of Targionia hypophylla, 119. 



Fruit-stem of Fegatella conica, Schmi- 

 del and Bischoff on the detachment 

 of, 115. 



Frullania, 441 ; antheridia of, 65 ; 

 archegonia of, 68. 



Frullania dilatata, relations of anthe- 

 ridia and archegonia in, 73 ; calyp- 

 tra of, 80; cell-multiplication in 

 stem of, 56, 57, 442 ; fruit of, 74, 

 32 



