46 j. G. Asrardh. 



iliiii(|ii(' iinliiir (lis]Misit;i nlisri'v a\i, jiiiuiriiiii (|u:r ex uim maririin' (•.\|i;niilniil iii\ imii o|i]ii.isita, t<t'il 

 allcriiii cuiii iis i|U:r ex a,lt(_'n) inargiiic cjusdcm Ljcuiruli cxcuiit. ('flliiln' (•uriiiiilcni taiiicn ila 

 i)nliiiiit;e ut nmruincs oimiiniii liiiea tnni.svci't^ali iiinitantur. 



Apices rainuloruni vidi oljtusiu.^cnlos, et <;('iiiciihi supcriina inviccin ailiuiMlnni iiil|ii(ixiniata : 

 paulu iii1'eri(ira liuiit linca augusta separata: rt in raiiiis [lauln -inferioril)us /.uiia iiuihi latiui- dh- 

 vouit. lOxcresccntiluiH deiii geniculis in adhuc iiifLTioril)!]^:, zona niida fit itciuni angiistiur supra 

 articnlo.s rylindraceos, diametro firuitcr diiplo li)ngiores. 



iSphœrosporas circa articulos rainorum i)CMiultiiu()nnu vcrticilhitas inagnas, nicilia sua parte 

 siii)eriorc' denudatas,, inferiore intra cellnlas iiitoriores gcnicnli <iuasi bnuteaiitrs (■x(ept(i; splia'ri) 

 sporati in verticillo saltcni il nunicraxi c\(ilutas; lias ni t'allor cuni n(i\-a seriez jinsterius esulvenda 

 alternantes. 



\'ak. decipikn.s J. A(j. iiiscr. 



Pneter t'uiMiiani priniariani supi'n deseriptani, aliani hal)ui ipicjc|ue ex Califnrnia niilii niissani, 

 (|iiani i)luriiiiis siiailentilMis eliaraeteribus (ex hahitn, rainilicationis nornia, sphiei'osp(ii-is(|iie nmni 

 l'espeetn ei)nsiniili))iis >, cuni ('. Californicô euuvenienteni vidi; (piani structura genieuioriun sua- 

 dente ad I )ictyojionia refi'rre \ix duliitasseni. jiuni veru in C. calitnrnit'n genieula lieterocysti- 

 <lca, zoiui artienloruni nuda invicem distincta, et niartiinihus luiud excurreutia vidi; alterani hal)u' 

 iormara, in (jua genieula liett'rocystidea ah utrocpie rnaruine, at i)r;yeipue aV) iut'eriore in lila Ion- 

 giiira deeurrentia ohsei'vavi. In paitilms ejnsdeni juniiiril>ns niargineni HKjJcriorciii jiigrnm et truie 

 catci niargine liniitatuiu dieereni; itij'eriorciii auteni in lila liinLiima deeurrentia, (puilia in Dietyo- 

 giiuiis iKinnnilis aliis ;/'. tondosiiiii et C. excellens) obvenire staïui, et h.ee linea truneata desinentia. 

 In ]iartibus vem adnltioribus quoque margineni sui)eriorem excurrenteni vidi in fila iiiagis sparsa 

 quarum nonuulla lojigiura, lila descendentia ex margine superioris artieuli (piocjne attingunt. Siil) 

 Iioc igilnr stadiu liane furniani ab iis ad /\gogonia l'elatis tstruetura vix reeedenteiu <liec'ri'iu; atta- 

 uien nionere t'as est sphœrospuras in Zygogoniis imniersas generari et deninni vertiealiter lieri 

 enii.ssas; easdein ^■er(l iu Hietyogoniis esse vertieillatim eximie proniinulas, inferiore sua parte inter 

 cellnlas lirac'teantes inunersas, superiitre apice nndas. Hoc cbaraetere forma descripta Califnruii'a 

 cuni 1 •ii'tvdgoniis evidenter convenit. Kandein igitur liis pertinere patet. l'-x speciniinibus vero 

 paucis «pue ejusileiii vidi, ut s]}ecieiii sui juris illani enuiiier:ire ilubita\i. 



(31. C'er. Floridanum (J. Aç/. }iiscr.) IVoiide iilti-;i capillaii teretiiisciila: tamis hfu- 

 vioribus densius <lucoiu|)ositi,s eloiigato-cofvinbosis IViv regulnritcr altefiiaiitiluis 

 decoiiiposita, ramulisqiie brevioribus ad ranios adultiores [)roveiiieiitibus démuni 

 liii'ta, segmentis ternunalil)uy actimiiiati.s subdivergeiitibus, geniculis heterocvsti- 

 deis, non aduiodiuii latis, zona nuda cons})icua separatis, articulis oblongis fere 

 l'iifiuain c-lepsvdf;c rcFureiitibits, diainctfo cifciter dtt[il(i loiigiuribits, splui'fcj- 

 sporis intra. fanios iicnultimos vei-tieil!atis ptvimiiiulis, stipeiioir sua pailc 

 denudatis. 



Mab. in oceaiio allaiitico ad oras Morida', tit vidctuf Ifciiticntior. 



< ,.MiaiiiipiaMi lialiitu li.ei- Species ciiin C. ((ilifornicd ita coineiiit, lit utraniqiie ad iinaiii eau 

 denique speeieni peiiiiiere raciliiis \idereliir; laiiieii diversas sjiecies in bis agmiscere iniii dul)ila\'i. 

 llaud pauea habiii specimina l'iauta' l''luriilaiiie, iii ipia i|iiiiipie Altiolugi ejiis regimiis \cniiii (_'cr. 

 rlinpliaiinni agnusceic nei- dubitai'unt. 



( '.l'iiicilla liiijus Speciei \idi si riicl iiraiii nlïeiie, i|Uaiii supra in ('. Cali I' iiiii<-(i describere 

 ciiiiatiis siiiii; (uuiiciila iiiniiiiini pari iimmIh beti'iucystidea \idi ; at cellulis adiiindiiiii parea : in ra 

 Miulis \ix iiisi cellulis (|uil]usilain ml iiiidatis, 2 — .'! séries trans\ ersales lurniniitibus, cipiistiliita \iili. 

 Articulis in partibiis adnltinriliiis deiii ipsis liiiiH^ntibus, at média sua ]iarte cunstrictis, Inrinaiii 

 ilepsydr.'e lere relereiitibiis, i;eniciila iM-ciipaiit liand ])arteni istaui cdiistrietain, sed maxime iiilla 

 tain, et in bar zunam an^iistam tnrmantia. Si \ cru /.(Uia ita rnrniala aecuratiiis examinatiir, c(ni 

 stare adpareat in média sua parte cellulis liie\ i. .ribus .■iiii;iilatis ; i|U^i' dein siirsuin et denrsum 



