316 BOTANICAL INFORMATION. 
extensive collections made in Tierra del Fuego, by (to say nothing of 
numerous other explorers) the accomplished Naturalist of the British 
Antarctic Voyage, and may be looked upon as additional evidence of 
the rare fertility of that country in species belonging to the orders 
Musci and Hepatice. 
1. Dicranum involutifolium (n. sp.) ; nitidum molle, caule erectiusculo 
parce ramoso, foliis erecto-patentibus oblongo-lanceolatis e basi ovali 
concava longe cylindraceo-convolutis, apice obtusissimo subcuculli- 
formi denticulato integerrimove, costa pertenui supra medium desi- 
nente, cellulis ultimo apice ovalibus in medio exilissimis flexuoso- 
linearibus in baseos angulis externis amplissimis quadratis decolori- 
B aseo is ; 
2. Conostomum Magellanicum (n. sp.); monoicum dense czespitosum, 
caulibus gracilibus innovando-ramosis inferne tomentoso-irretitis, 
folis quinquefariam dispositis oblongo-ovatis obtusis carinato-con- 
cavis integerrimis lzevibus arctissime (in sicco vel humido) ineurvo- 
appressis costa lata sub apice evanida instructis quadrate laxius 
areolatis, floribus terminalibus, masculino disciformi antheridiis 
numerosissimis paraphysibus clavatis, foemineo capituliformi arche- 
goniis gracilibus paraphysibus filiformibus, perichzetialibus longius 
acuminatis costa excurrente, fructu . . . . 
3. Bartramia pusilla (n. sp.); dioica, caulibus e basi tomentosa pros- 
irata erectis rigidiusculis dendroideo-ramosis, ramis erecto-patenti- 
bus strictiusculis, foliis caulinis ovato-lanceolatis adpresso-erectis 
rameis anguste lanceolatis patentibus, omnibus costa excurrente 
cuspidatis margine celluloso-denticulatis reflexiusculis utraque pagina 
valde papillosis opacis viridi-glaucescentibus minute quadrato-areo- 
latis, flore masculino terminali disciformi, foliis perigonialibus 
obtusiusculis evanido-costatis, antheridiis numerosissimis elongatis, 
paraphysibus longioribus clavatis, fl. et fr. desideratis. 
4. Peromnion Magellanicum (n. sp.); humile hermaphroditum laxe 
ezespitosum innovando-ramosum, caulibus ramisque apice congesto- 
foliosis inferne subaphyllis radiculosis, foliis erecto-patentibus laxe 
reticulatis lanceolatis margine reflexiusculis lenissime submarginatis 
apice minutissime denticulatis, costa basi valde incrassata longe 
excurrente aristatis, capsula erecta oblongo-cylindrica longicolla 
microstoma annulata, peristomio pohlioideo, operculo conico-hemu- 
spheerico apiculato, 
