824 ' Algen. 



1. Rhodophy cea e: ErythrotricMa ceramicola Lyngb. sp., Actinococcus roseus 

 Suhr sp., Cruoria pelUta Lyngb. sp., Petrocelis cruenta J. Ag., Hüdenhrandtia 

 rosea Kütz., Chantransia virgatula Harv. sp., secundata Lyngb. sp., efflorescens 

 J. Ag. sp., S})erjnothamnion roseolum Ag. sp., Nemalion multifidum Web. et Mohr 

 sp., Rhodochorton Eothii Eng. Bot. spec, membranaceum Magnus, chcmtransioides 

 nov. spec, Antithamnion Plumula Ellis, horcale Gobi, forma baltica.', CaUithamnion 

 roseum Kth. sp. (nee Harv.), bijssoideum Arn., corymbosum Engl. Bot. sp., Cera- 

 mium tenuissimum Lyngb., arachnoideum J. Ag., divaricatum Gr., Deslongchampii 

 Chauv., strictum Kütz. sp., diaphanum Lightf. sp., circinatum Kütz., rubrum Huds. 

 sp., Fastigiaria furcellata L. sp., Dumontia fiUformis Lyngb. sp., Chondrus crispus 

 L. spec, Gymnogo7igrus plicatus Hudf,. sp., PhyllophoT-a Brodiaei Tmn. sp., rubens 

 Good. et Woodw. sp., memhranifoU.a Good. et Woodw., Bangii Fl. Dan. sp., 

 C'ystoclo7iiuni piurpurascens Hud. sp., Hydrolapathum, sanguineum L. sp., Ehody- 

 menia palmata L. sp., Delesseria alala Hudson sp., siuiiosa Good. et Woodw. sp., 

 Gracilaria confcrvoides L. sp., Harveyella mirabilis Reinsch sp,, Polyides rotundus 

 Gmel. sp., Rhodomela virgata Kjellm., subfusca Woodw. sp., PolysipJionia urceo- 

 lata Ligthf. sp., violaceu Rth. sp., elongata Huds. sp., fibrülosa Dillw. sp., byssoides 

 Good. et Woodw. sp., nigrescens DiUw. sp., Melobesia Corallinae Gr., Laminariae 

 Cr., membranacea Lamour., Lejolisii Kos., farinosa Lainour., Lithophyllum Lenor- 

 mandi Aiesch. sp., CoralUna oficinaUs L. 



'i.Ph aeophy ceae: Fucus vesiculosus L., serratus L., ceranoides L., Ascophyllum 

 nodosum L. sp. var. scorpioides Fl. Dan., Halidrys sillquosa L. sp., Hajdospora 

 globona Kjellm., ScajjJiospora speciosa Kjellm., Sphacelaria cirrhosa Roth sp,*), 

 olivacea Dillw. sp., racemosa Grev. var. arctica .' , spinulosa Lyngb , Oiaetopteria 

 plumosa Lyngb. sp., Ectocarpus sjihaericus Derb. u. Sol., Pringsheimii nov. uom., 

 Stilophorae Gr., repens nov. nora., terminalis Kütz,, ovatus Kjellm. var aracJmoi- 

 detis!, Sandrianus Zanard, var. balticus ! , tomentosus Huds. sp., confervoides 

 Roth spec, varius Kjellm. sp , UtoraUs L. sp., Sorocarpus uvaeformis Pringsh, 

 var. balticus!, Ascocydus reptans Cr. sp., ocellatus Kütz. sp., balticMS nov. sp., 

 foecundus Stri'mf. sp. var. seriatus!, globosus Rke. sp., Microspongium gelatinosutn 

 Rke., (?) Myronema strangulans Grev., Ralfsia verrucosa Aresch., clavata Carm. 

 sp., Lithoderma fatiscens Aresch., Giraiidia sphacelarioides Derb. u. Öol., Halo- 

 thrix lumhricalis Kütz. sp., Leptone.ma fasciculatum Rke., Eiachista fucicola Velley 

 sp., Symphorir.occus radians Rke., Asperococcus echinatus Mert. sp. var. fiUformis!, 

 Striaria attenuatu Grev., Stictijosipkon subarticulaius Aresch. sp., lortilis Aresch. 

 sp., Punctaria plaataginea Roth sp , Desmolrichiim undulahim J. Ag. sp., balticum 

 Kütz., scopiiloruvi Rke., Kjelhnannia sorifera Rke., Scytosij)hon lomenlarius Lyngb, 

 sp., x^ygmaeus Rke., Phyllitis Fascia Fl. dan. sp., zosferifolia nov. nom., Chorda 

 Filum L. sp., lomentosa Lyngb., Dictyoslphon hijjjmroides hyngh. sp., foeniculaceus 

 Huds, sp., Chordaria Aresch., Mesogloia Aresch., Gobia baltica Gobi sp.**), Des- 

 marestia viridis Fl. dan , aculeata L. sp., Sp)ermatoclmus paradoxus Roth sp., 

 Stilopliora rhizodes Ehrh. sp., tuberculosa Fl. dan. sp., Halorhiza vaga Kütz. sp., 

 Chordaria fiagelliformis Fl. dan. sp., divaricata Ag., Castagnea virescens Carm. sp., 

 Lcathesia difformis L, sp,, Laminaria saccharina L. sp , flexicaulis Le Jol. — 

 3, Chlor ophy ceae. Polypella 7iidifica FL dnu. sp., Lumprothamnus alopecu- 

 roides Del. sp., Ohara crinita Wallr., baltica Fr., aspera Deth., Capsosiphon aureolus 

 Ag. sp., Enteromorpha marginata .T. Ag., percursa Ag. sp , erecta Lyngb. sp., 

 ramulosa Engl Bot. sp., clathrata Roth sp., minima Näg., micrococca Kütz., inte- 

 stinalis L. sp., compressa L. sp., Linza L. sp., Ulva Lactuca L., Monostroma 

 fuscum Post. u. Rupr. sp., Grevillei Thur. sp., Lactuca Ag. sp., latissimum Kütz. 

 sp., quatcrnarium Kütz. sp., Wittrockii Born., Diplonema confervoideum Lyngb. 

 sp., Ulvella Lens Cr., Protoderma mavinnm nov. spec, Pringsheimia scutata Rke., 

 Prasiola stipitata Suhr., Schizogonium laetevirens Kütz,, Urospora penicellijormis 

 Roth, spec, Ulothrix implexa Kütz., Chaetomorpha Melagonium Web. et Mohr sp,, 

 aerea Dillw. sp., Linum Fl. dan. sp., chlorotica Kütz., tortuosa J. Ag. sp., gracilis 

 Kütz., Ehizoclonium riparium Roth sp., Kochiamim Kütz., Cladopthora arcta Dillw. 

 sp., lanosa Roth sp , Agardhi Kütz., j)ygmaea Rke., rupestris L. sp,, utriculosa 

 Kütz., hirta Kütz., refracfa Roth, sp., gracilis Griff, sp., sericea Huds. sp., ceratina 



*) Es beginnt hier die Ordnung der Phaeosporeae, deren Gruppirung, wie 

 sie sich den Untersuchungen des Autors gemäss herausgebildet, neu ist. 

 **) Gobia nov. gen.! — 



