100 A CATALOGUE OF THE BRITISH MARINE ALG 
Polysiphonia atrorubescens Grev. = P. nigra Batt. 
Dasya coccinea Ag. = Heterosiphonia plumosa Batt. 
Griffithsia corallina nee te ae = Seseaperaaed Batt. 
| Griffithsia setacea Ag. = G. flosculos 
Callithamnion hormone dec Holm. = a. i hormocarpa Batt. 
Dumontia filiformis dyn = D. incrassata La 
Dudresnaya cocein = D. verticillata Le Jo 1. 
Corallina meacdles isha! Aids ch. = C. elongata Johnst. 
LIST OF GENERA. 
Oss.—The jlgures refer to the numbers of the genera in the text, not to the page. 
4 
Achinetospora -- 140 | Champia.. .. .. 186] Enteromorpha 
Acrochete .. .. 54| Characium - ++ 88] Entophysalis.. .. 10 
Acrochetium .. .. 153/ Chilionema .. .. 109 subentire es 200 
Acrosiphonia - 63| Chlorochytrium .. 33] Erythropeltis.. .. 148 
ctinococcus 170 | Chondria.. .. .. 199] K alg <- 249 
Aigagropila 63; Chondrus .. .. 164} Eut mn Are 5 
eltia 169} Chorda: So 36: 125 
Alari - 128 | Chordaria «e415 | Fucus‘. “es” ae ome 
Amphithrix 22 Choreocolax .. .. 158| Furcellaria .. .. 236 
Anabee «+ «es 31] Choreone ee 247 
Anacysti po ve = 6 | Chroogoooms gi Gayella .. «5 6. 48 
ti nio. - 220 | Chylocladia .. .. 187 | Gelidium eee aoe 
Aphanocapsa.. .. 2| Cladophora .. 3 | Gigartina 7-166 
0 6 | Cladostephus.. .. 103 | Giraudia 
ee Se athromorphum 252 ciscer as 
Ascocyclus .. .. 110| Co 39 | Gloeoe yoo ae 
Ascophyllum ., .. 132 | ¢ odin a 70 Gloiosiphonin +o 2n0 
perococcus .. .. 85/Colacolepis .. .. 171] Gobia ie 
Atractophora.. .. 160 | Colaconem -. 152] Gom -- 64 
: { ompsothamnion we Ee Gonimophyllun 507 LeU 
+ «+ 150/| Conchocelis .. .. 145 ooiok arnt . 5 Ae 
Battersia ++ «+ 99) Corallina.. .. .. 254 Veeece | 
Bif » «+ 134 | Cordylecladia.. .,. 184 Grateloupia soi ee 
Blastophysa .. .. 57 | ( rouania.. .. ., 222| Griffithsia =e 209 
Bolbocoleon ,, 5 | Cruoria rs. ve ae Gymnogongrus sy 408 
Bonnemaisonia - 193 | Cruoriella  .. ., 243 
etia .. 211 | Cruoriopsis .. .. 242| Hematocelis .. .. 256 
Bostrychia - 194] Cutleria:.. ., 130 | Halarachnion +4 286 
ytrichi - 27 | Cystoclonium -» 176 | Halicystis 66 
Brongniartella 202 | Cystosei 137 ere. os. .., 186 
pamia, 120 a 20g | Helosters ** toa 
‘ y: ‘ alopteris oo ee 
Delesseria ., ., 192 Halonen os ©6836 
reer +» 182 | Derbesi +» +. 68] Halothrix Ao TT 
ror ears a ce pc netetithon -. 249 urus .. « 210 
Oe S ermoc: -- 8| Halymenia ,. .. 227 
Callophyllis ++ «+ 173 | Desmarestia .. .. 71 Haplsapors ck ¢, 409 
ymenia .. ., 175} Dichot -- 24| Harveyella .. .. 159 
Calosiphonia ., ., 232 Dictyopteris ., .. 144} Hecatone . 108 
Otnnz., 4... 38 ictyosiphon . .. 72] Helminthocladia .. 155 
Capsosiphon .. ., 47 Dictyota .. .. 141 | Helminthora 156 
Carpomitra .. ., 124/Dilsea _. -- «. 231| Heterosiphonia .. 204 
ene ++ «+ 117] Dudresnaya .. ., 230 Hildenbrandtia 3 245 
ear oN oo Dumontia .. ., 229 ae Cea a 
Chetomorpha 61 | E an Sas 
Chetopteris ., .. 102 Hache 3 be fu ros Su ec a er 
Chamresiphon -» 12) Endoderma 68 Wyisidineniuias ve 221 
