INDEX. 391 
arvense . . . ... . 255 
its distribution . . . . 364 
Drummondii ... . . . 251 
elongatum . . . . 270 
hyemale . . . ... . . 272 
. its distribution .... 366 
its uses ..274 
limosum.263 
its distribution .... 367 
its uses . ..... 265 
Mackayi . ... . . . 270 
Moorei ........ 269 
its distribution .... 376 
palustre . . . . . . . 266 
its distribution . ... 369 
its varieties ..... 268 
pratense.251 
its distribution .... 371 
ramosum. . 270 
its distribution .... 372 
sylvaticum.259 
its distribution .... 372 
Telmateia.248 
its distribution .... 374 
trachyodon . ... . . 270 
umbrosum .251 
variegatum.277 
its varieties.279 
its distribution .... 375 
. Wilsoni. 277, 279 
Eupteris— 
aquilina ....... 167 
Filices, defined ..... 48 
Fructification.20 
Genera of British Ferns ... 48 
Germination of Ferns ... 25 
conditions requisite for . . 25 
their application .... 26 
Gold Ferns. 3 
Grammitis— 
Ceterach. . 154 
Groups of British Ferns ... 48 
Gymnocarpium— 
Dryopteris.78 
Phegopteris.75 
Robertianum.79 
GYMNOGRAMMA . . . 49,85 
Ceterach.144 
leptophylla.. 86 
its distribution . . . . 320 
its culture ...... 87 
Hemestheum— 
montanum. . . . . . . 100 
Thelypteris ...... 98 
Horsetails, defined .... 54 
HYMENOPHYLLTJM . . 52,194 
alatum.193 
tunbridgense.195 
its distribution .... 320 
its culture ...... 196 
unilaterale.196 
its distribution . . .- . 322 
Wilsoni ....... 196 
Indusium.21 
ISOETES . ... . . .54, 233 
lacustris. . 234 
its distribution .... 376 
its culture . . . . . . 237 
LASTREA.49,96 
semula .109, 118 
its distribution . . . . 331 
its culture ...... 120 
affinis ..103 
Borreri . .. 104 
collina.117 
cristata ..... 107,109 
its distribution .... 325 
its culture.Ill 
its varieties ..... Ill 
dilatata.109,115 
its distribution .... 325 
its culture.118 
