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.
ALGALS.
11


LXVII.  PoLYSirHONrE.E.  —  Polysiphonia,  Ileli-
cothamuion,  Halopithys,  Digenea,  Bryo-
thamnion,  Phjscophora,  Alsidium.
LXVIII.  Chondrik.e.  —  Lophura,  Carpocaulon,
Chondria,  Acanthophora.
Ordo  v.— CCELOBLASTE^.
LXIX.  Chondrosiphe.^. — Bonneniaisonia,  Chon-
drotliamnion,  Cliondrosiphon,  Ilalosaccion.
LXX.  riiAMPiE.*:. — Champia,  Lomentaria,  Gas-
tioclonium.
Ordo  VI.— PLATYNOBLASTE^.
LXXI.  Delesserie^.  —  ^glophyllum,     Schizo-


glossum,  Inochorion,  Cryptopleura,  Phyco-

diys,  Ilypoglossum,  Delesseria.
LXXII.  BoTRYocARPE^. — NeuToglossum.Botrjo-

carpa.
LXXII  I.  Amansie^e.— Polyzonia,  Amansia.
LXXIV.  Rytiphl^ace^. — Rytiphlaea,    Dictyo-

menia.
LXXV.  C'arpoblepharide^.  —  Carpoblepharis,

Odoiithalia.
LXXVI.  Plocameje. — Plocamium,   Thamnocar-

pus,  Thamnophora.
LXXVII.  Claudie^.— Claudea.
12


DIATOMACE.E.
[Algals.
Order  I.  DIATOMACEiE.     Brittleworts.
8.  529  ;  Part  of  Chaodinese  and  Fra-
Gen.  I. ;    Ralfs.  in  Ann.  Nat.  Hist.
Diatomacese,  Agardh,  Syst.  xii.  (1824)  ;  Kutzing,  in  Linnaa,
gillarise,  Boi-tj  in  Diet.  Class.  Z.  and  4.  (1823)  ;    Endltch.
11  et  scq.
