Hit In. l,i ('. fliM-ros.i , ( MM -lll.it> H luitlivs, ('.. liii;nl)\i in.i , (.. lll;;.ic|ssMlia , 



t vm.iv icciisis, ('.. ;i!|ii..i, ('.. cii.ctormn, (.'.. <jiiadraii : Mil.i , ('. i ip.tri.i , C. 



ci \ si.iliil.-i .1 , (-. MTI uc.isu , ('.. vclicata, ('.. t ii I><M en Ins.i , ( . c.i |n I l.i ris, ( '.. insi^nis. 

 .in. i. Frons teres filiformis .u ticul.it. i homo^rnM a. In. it. i .simplex (an 



i i.i specie ramosHY) gclatinoMi-miieosa ; ailicnli amhilii inci <-M cutes s.rpe 



ellipsoideo-intlati , coiitmn.i labdituioUC iteium itei nm<pic divisi. Krnctus . . . 



Spniidi.i mine in spin-lain ex articnlo eriiiiipcntfin ron^rc^iitii (eoniooyitM 



fiuMiticntin ', <l. riiiiin ruj)t<i vinculo solnta , nuiiici(i-.issi!ii.i ; mine ' M-C. K iiT7,iNr.) 



HI intirlllis .siiii^ulis p. inc. i siii^U l;itilll Cl II til p<'Illl:i. 



Hit hiirii C. fuoicuhiris , C. torta (Oscillatoria AG.), ('.. /.onat;i, (\ncbulosa, 



C. flocca, I.\nt;l)\a speciosa , C. Youngana, C. cullabeas, ('.. \\Hrtii.skjoldii, 



(= C. Bangioides HARV.) 

 3. Lychsete. Frons rvlindran-n filaim-ntosa articulata liorno^nu-a bimplrx ant vai ie 



i .inn's. i ; .irticuli inliini ramoruin (.in ramosis) aut infimns (in lioiplieitMU) im- 



mntabiles longiorei , snperiorrs oinncs rontinua divisione mnltiplii-at i. rructns 



duplex: l:o Coniocysta; externa?, ad fib latcralitor scvsilcs; 2:0 Sporidia sub- 



globosa , motu pra'dita, per inaniillain erninpcntia. 



Hit hiira C. tortuosa , C. Moltu-cana , C. linoidrs , (.,. liniim , ('.. a>rea , C. 



autennina, C. BeUgOOiam, C. lla^ellifdnnis, C. virgata och C. inirabilis. 

 4- A crosiphon ia. Frons cylindracra fllifoimis articulata lininngeiu-a , varit- ra- 



iinisa; articnli jnniorcs (super lores) clongati, coutinua divisiuue subdivisi, 



adultis seu inferioril>us ita brrvissimis. Fructus .... 



Hit hora C. lanosa (= C. lanosa & C. congregata), C. arcta (= C. Vau- 



chei iacformis och C. centralis) och C. membranacea. 



5. Conferva. Frons cylindrarra filiformis articulata honiogc-ru-a simplex ant ra- 



mosa ; articnli adnlti indivisi, supcriores breviores, novi divisione articuli tcr- 

 inin.ilis orti. Frnctns duplex: r:o Coniocystit; externae ad fila lateraliter sessi- 

 les sphxricae; 2:o Sporidia subglobosa motu pra?dita per rnarnillain tnbnlosc 

 prodncta in ernmpentia. 



Hit bora C. fracta et aff., C. diffusa, C. Hntchinsi.T, C. Lehmanni, C. se- 

 riaca et aff., C. albida, C. gloinerata , C. heteronema , C. fascicularis, C. 

 Brownii, C. a?agropila, ('. rnpestris, C. capeusis, C. catenata, C. pellncida, 

 C. prolifera, C. rectangnlaris &c. 



6. Ac a u th on em a. Froo.s composita snbheterogenea ; inferne caulescens stuposa, 



filis radicantibns nrticnlatis ramosis a ramis demissis deorsiun in stnparn con- 

 tortis liberis; snperne filiformis articulata ramosa , ramuli.s ultiinis aculeiformi- 

 bus ; articuli adulti indivisi; superiores breviores, novi divisione articuli tcr- 

 min.ilis orti. Fructus .... 



Hit hor blott A. Montagnci (= Conf. acnleata MoNT.) 



7. A n ad e m a. 



Fastan hufvudsaklicicn prumlade p5 physiologiska cliaractcrcr (p;'i 

 cellulernas uppkoinstsatt ocli tratlcns deraf beroeiute vcxtsiitt, pa cellci M.IS 

 olika functioncr) l)lifva dcssa genera iifven praktiskf liitt igepkaoneliga. 



Rcmilteracles till HIT WAHLBERO och WIKSTRO.M. 



Hr Cand. LOVVENHJELMS i forra sammantradct inl(mnade Af- 

 handling: Ornithologiska iakttagelser under en resa i Ume, Pile 

 och Lule Lappmarker, sommaren 1845, atci lemnades af HIT 

 SUNDEVALL oeh DoHEM.xN nnxl t illsty rkaiidc al d<:.ss intagande i 

 Akademicns Handlingar. 



