10 



ALGALS. 



IX. LeptotrichKvE. — Leptothrix, Asterothrix, 



Syniphyothiix, Synploca, Dictyothrix, En- 

 totlirix, Inactis. 



b.) Mesospemiete. 



X. LiMNOCHLiDK-E. — Liiiiuochlide. 



XI. NOSTOCE.E. — Nostoc, Ilormosiphon, Anabse- 



na, Sphaerozyga, Cyliudrospermum, Sper- 

 mosira, Xodularia. 



XII. ScYToxEME.E. — Drilosiphon, Scytonema, 

 Sj-ncliKta, Sj-mphyosiplion, Sirosiphon. 



c.) ParaspeiTuete. 



XIII. Lyngbye.^. — Sipliodeima, Amphithrix, 

 Leibleinia, Lyngbya, Blennothi-ix. 



XIV. Calotriche^. — Tolypothrix, Calothrix, 

 Hypheothrix, Schizothrix, Schizodictyon, 

 Dictyonema. 



d.) Hj-pospermeae. 



XV. Mastichotriche.«. — Merizomyria, Mas- 



tichothrix, Mastichonenia, Schizosiphon, 

 Geocyclus. 



XVI. Kivularie.e.— Phjsactis, Heteractis, Cha- 

 laractis, Ainactis, Limnactis, Rhoilaria, 

 Dasyactis, Euactis. 



B. Dermatosiphe.e. 

 a.) Endospermea?. 



XVII. IIoRMiDiE.E. — Hormidium, Goniotrichium, 

 Allogoiiiura,Gloeotila, Schizogonium, Schizo- 

 meris, Bangia. 



XVIII. Ulotriche.e. — Ulothrix, Stygeoclo- 

 nium. 



XIX. Conferve-e.— Dedogonium, Psichohomii- 

 um, Conferva, Spongopsis, Rhizoclonium, 

 Sphffiroplea, Cladopbora, Crenacantha, 

 ^gagropila, Spongomorpha, Periplegma- 

 tium, Pilinia, Fischeria. 



XX. Zygneme^. Mougeotia, Sirogonium, Stau- 



rospermum, Spirogjia, Zygnema, Zygo- 

 nium. 



XXI. Hydrodictye^. Hydrodictyon. 



b.) EctosperaiefB. 



XXII. Protoneme^, Gongi-osira, Protonema. 



XXIII. Chantraxsie^. Chroolepus, Chantian- 

 sia, Chlorotylium. 



XXIV. Draparnaldie^. Draparnaldia. 



XXV. EcTOCARPK.i:. Ectocarpus. 



XXVI. Sphacelarie.*:. Sphacelaria, Halopteiis, 

 Stypocaulon, Ballia, Chaetopteris, Clado- 

 stephus. 



Subonio IV. — Dermatoblastece. 



XXVII. Ulvace.e.— Phyllactidium, Protoderma, 

 Prasiola, Ulva. 



XXVIII. Phycoseride^. — Phycoseris, Diplo- 

 stromium, Phycolapathum. 



XXIX. Enteromorphe,«. — Enteromorpha, Chlo- 

 rosiphon, Stictyosiphon, Dictyosiphon. 



Sitbordo V. — Cmloblastece. 



XXX. Vaucherie.e. — Botrydium, Vaucheria, 

 Bryopsis, Valonia. 



XXXI. Caulerpeje. — Caulerpa. 



XXXII. Codies. — Codium, Rhipozonium, Hali- 

 meda, Corallocephalus, Rhipocephalus. 



XXXIII. Anadyomene^. — Anadyomene. 



XXXIV. Polyphyse^. — Acetabularia, Poly- 

 physa. 



XXXV. Dasyclade^. — Cjinopolia, Dasycladus, 

 Ascothamnion. 



XXXVI. CHARE.S;. — Nitella, Charopsis, Chara. 



Ordo II.— CRYPTOSPERME^. 



XXXVII. Lemanie^. — Thermoccelium, Lema- 

 nia, Halysiuin. 



XXXVIII. Ch^tophore.e.— Chffitophora, Cha»- 

 todernia, Thorea. 



XXXIX. BATRACHosPERME.i:. Batrachosper- 

 mum. 



XL. LiAGORE^. — Liagora. 



XLI. Mesogl(eace.e. — Cladosiphon, Mjiiactis, 



Phycophila, Corynophlsea, Corynephora, 



Mesoglcea, Chordaria. 



Ordo III.— PYCNOSPERME^. 

 XLII. Chorde.e. — Chorda, Spermatochnus, Ila- 



lorhiza. 

 XLIII. Enccelie-e. — Encoelium, Halodictyon, 



Striaria. 

 XLIV. DicTYOTE.?;. — Dichophyllium, Cutleria, 



Stoechospermum, Spatoglossum, Haloglos- 



sum, Halyseris, IStj'popodium, Phycopteris, 



Zonaria, Phyllitis. 

 XLV. Sporochne.e. — Sporocbnus, Carpomitra, 



Desmarestia, Arthrocladia. 

 XLVI. Laminarie.e. — Phloeorhiza, Laminaria, 



Hafgj'gia, Phycocastaniim, Alalia, Costeria, 



Agarum, Thalassiophyllum, Lessonia, Ma- 



crocystis, Nereocystis. 



Tribus II. — A nglosjyemiece. 



XL VII. FccE/E.— Splachnidium, Durvillsea, Ilor- 

 niosira, Ecklonia, Himanthalia, Fucus, 

 Carpoglossum, Physocaulon, Scj-tothalia , 

 Phylospora, Sirococcus. 



XL VIII. Cystosire.e. — Treptacantha, Halerica, 

 Phyllacantha, Cystosira, Hormophysa, Ha- 

 lidrys, Pycnophycus. 



XLIX. Saroasse.e. — Pterocaulon, Sargassum, 

 Turbinaria, Carpophyllum, Phycobotrys. 



L. Halochlo.?;. — Blossevillea, Spongocarpus, Ha- 

 lochloa, Myagropsis, Carpacanthus, Siro- 

 physalis, Coccophora, Scaberia, Carpodes- 



II. CLASS.— HETEROCARPEiE. 



Trihus III. — Paracarpeoe, 

 Ordo I.— TRICIIOBLASTE^. 



LI. Callithamnie.e. — Callithamnion, Griffithsia, 



IJalurus, Phlebothamiiion,Wrangelia, Spy- 



ridia, Ptilota. 

 Lll. Ceramie.i:. — Honnoceras, Gongroceras, 



Echinoceras, Acanthoceras, Ceramium, 



Centroceras, Microcladia. 



Ordo II.-EPIBLASTEiE. 

 LIII. PoRPHYRE.'E. — Porphyra, Hildenbrandtia, 



Peyssonelia. 

 LIV. SPGNGITE.E. — Ilapalidium, Pneophyllum, 



Melobesia, Spongites. 

 LV. CoRAiLiNE^. — Amphiroa, Corallina, Jania. 



Ordo III.— PERIBLASTE^E. 

 LVL Gymnophl.eace^.— Gymnophlaea, Ilelmin- 



thora, Naccaria. 

 LVII. Ch-etangie-e.— Chaetangium, Thamnoclo- 



nium, Sarcophycus. 

 LVIII. Halvmenie.'e. — Myelomium, Halymenia, 



Dumontia, Halarachnion, Catenella. 



LIX. Caulacanthe.e. — Caulacantlius, Acantho- 



bolus. 

 LX. GiGARTiNE.E. — Iridsea, Chondrodictyon, 



Grateloupia, Mastocarpus, Chondios, Chon- 



dracanthus, Euhymenia, Coiistantinea, Cal- 



lophyllis, Sarcophyllis, Solieria, Furcellaria, 



Gigartina. 

 LXI. Rhynchococce^.— Rhynchococcus, Calli- 



blepharis. 

 LXII. CYSTOCLONiKiE. — Cystoclonium, Hypno- 



phycus. 

 LXIII. GELiDiEiE. — Acrocarpus, Echinocaulon, 



Gelidium, Ctenodus. 

 LXIV. SPHiERococcEJE. — Bowicsia, Sphaerococ- 



cus, Trematocarpus. 

 LXV. Tylocarpe^.— Tylocarpus.Oncotylus, Pa- 



chycarpus, Phyllotylus, Coccotylus, Phyl- 



lophora, Acanthotylus. 



Tribus IV. — Choristocai'pece. 

 Ordo IV.— AXONOBLASTE^. 

 LXVJ. DASYE^.—Dasya, Eupogonium, Trlcho- 

 thamnion. 



