Journal Royal Society, JY.S. W. ; Vol. XXXIII, 



KEY TO TRIBES AND GENERA OF FLORI DEAE (RED OR PURPLE ALGAE). 



I.CERAMIACE/E. 2.CRYP r TONEMIACE/E. 3.GIGARTINE/E. 4NEMAT0SPERME/E.5.SPYRiDlfe/C. S.ARESCHOUGIE/E. 7CHAMPIE/E. 8.RHODYMENIACE/£.9.SQUAMARiacE/E.io.corALLinace/e. II.sPH*rococcoide*LI2.DELESSER1E/E. I3.HELMIKITMCLADIE/EJ4.CH/ETANCIE/E. I5.GELIDIE/E. I6.HYPNEACE/E. 17. SOLIERlE/E. I8.WPANGELIE/E. laLOMENTTARIE/E. 20.CH0NDRIE/E. 2LRH0DOMELE FE. 



Favtlhx, highly niarn'Oied. 

 CangusUthwi. tebvcspores. 



Putotcc JeanrureOza., Harv. 



Spore masses single, 

 naiad or awolrurate (by 

 small irvtnchlets), spores 

 aggregated without order 

 within a Ivyolim mem,- 

 -branous tell, developed, 

 t^tirnxtlly. 



Articulated one-tided, 

 alga?, naked, or covered, 

 with, de-current fibres, 

 at length cellulose. 

 Nucleus (spore-mass) ad- 

 mate, simple or lobtd,, 

 hits as if toahsctng. 

 Spores romuksK-angcdw, 

 Tetraspores -mrious'i 

 divided./}g.l876. 1. 



ipypbmarwx phyUaphorai. 



Han-. Ph/cfbxst, 283. 



Uvdloo. 1i oij. 

 HalymerUa, Fkresia,. /Iff. 



Cigartina. gtgcmbea.. 



Purplish, or rose-red,, 

 with an. mojitmkit, horny, 

 cartdoupwis, gdatmous. or 

 membranous frond, 

 formed tn great part of 

 articulated cyorvferYoid 

 filaments held in gdatuu. 

 The membranous ones 

 vAtk cells gradually small- 

 er towards the surface. 

 iSport masses immersed 

 ut the frond or slightly 

 prominent, nudeus 

 simple,, of a roundish 

 mass of spores. 

 Tetraspores /regumtbj 

 cniaatehj divided. 



frond composed of round 

 filaments surrounded ly 

 a, contiiuous stratum of 

 moni/tform filaments or 

 rerHcal tells. Nucleus 

 compound, immersed in, 

 the frond or containedw. 

 a proper pericarp, sui- 

 -mdeAratelg surrounded, 

 composed of mam/ fertile 

 alls inert or less ap- 

 proximating. 

 Tetraspores immersed 

 orwoi/ed From, iwna- 

 tlucui, transformed from, 

 the cdls of the cortical 

 stratum. rig. 18161111 



Spore-mass formed an ovrtita- 

 -lakd ramdli , the spore- 

 bearing Rlammts divided-, 

 supported in, gelatine. 

 Frond wrOculatiarcontizi- 

 -unus, tubular or filled 

 with filaments in Du- 

 -Tncmlia. 



Tetraspores at the apices 

 oframelli in Mdresruzya, 

 ollong, zcmate-. 

 Tetraspores immersed in 

 the peripheric, stratum, in 

 Halosaccton. 

 See Dasyphlcealasmamca, 

 Hear. PhycMuet. 115,cmd 



Section, through, conceptacte.. 

 dreshsugi, 



Fhn.Phychicst, 181 



/frtindate,viorwsiphmoiis. 

 more or less densely cer- 

 -Ueated. Spore masses 

 in a, proper external 

 pericarp trtqumth/ lobed, 

 Sui- urmpcunoi nucleus. 

 Fudioli arranged around 

 a. central placental column 

 frequently rvcdiattng, 

 the fertile filaments 

 frequently ruidichotommie} 

 arttct.do.te below, sometimes 

 cmwdtd without order. 

 Tetraspores on the mmeUi,, 

 sui -external-, tricwgulouiy 

 divided. JFg.lQ7e.iee. 



tntUadosa. PhgcMtntlSS. 



Chconpia. compres 



fnarUcukUe. . twbvlose. 

 medullary stratum of per- 

 -current fudments, the outtr- 

 -rnost of rudiaUng ctlkdts 

 oramjovned vertical Filaments. 

 Goneeptacks immersed, in 

 the frond, suspended a- 

 ■mara/sl the rrceclullaru 

 filaments and enclosed in, 

 a network of filaments. 

 Nucleoli mdialelg disposed 

 around, the central placenta, 

 and. consisting of bundles 

 of fertile, Filaments in, 

 fastigiate fascicles, sub- 

 -dichotomous and adieu- 

 -lode beloui.-J.flg.27i 



Inarticulate bdvkr algce. 

 the medlillaly stratum of 

 large empty celts, or di- 

 vided by diaphragpis, 

 the diaphragms joined 

 by vertical filaments. 

 The outer cells frequently U 

 conjoined vertical filaments 

 Favdlce within a proper 

 external pericarp and 

 surroaadedwltti slaukr 

 cobwebby filaments,. the 

 fertde filaments aggregated 

 From the base, reticulate 

 and 



spores 



the articulations 



Rlxmitnis 

 PhodopelOs Mistmlli Phyc.ft. '2G4-. 



Inarticulate algce .rart-ly 

 Inflated- twbulose, frequent- 

 ly solid cellular, tilt outer 

 cells conjoined vertical, 

 filaments. Conceptades 

 Immersed in, the frond, 

 or a round nearly nafad 

 nucleus tn an external 

 pericarp. Fertile filet- 



-mencs corUczdale- sid- 

 -ccrgmlose or sub-pan- 

 -■Lculatehj branched,, the. 

 upper branches suh-con- 

 - fluently forming a na- 

 -cleus. Tetraspores mri- 

 ^ushg divided. J-dg. 1df6. 

 307. 



InarticuLiU algae, globular 

 orhoriiantal-ly expanded,, 

 crustaceans or membranous, 

 cells in hose, mucus or solid- 

 ly concreted. 

 Gystocarps evolved from, 

 nemcohecia . (rcmstorm- 

 -ed articulate filaments 

 in, a- hyaline, memlrane.^ 

 in. the. form, of warts on, 

 the. upper surface or im- 

 - merse-d in the frond. 

 Tetroespores transfornad. 

 from the articulatwns 

 of the fdcimenls. gen- 

 erally cruclalely divided 

 J.fig. 1876373, 



Frond calcareous, its 

 cells secreting car/xnate 

 of lime, horizontally 



or verUcally expanded, 

 or fUiform or conaiuums. 

 articulate. Ceramidia 

 opening ly a pore, imiurs- 

 ■ed, or more or less wart- 

 -form, or sidrovcue,, in- 

 -cludtng 4-zoned spores. 

 The central cells cf frond 

 long cylindrical, with 

 joints ccinctcliTog. 7he 

 sicrface. cells slwrte-v 

 very small. 

 J.fig. 185Z 



Dicurdta ekih.-r .\vr,i:u!:M. 



JnarUcxikOt cellular 

 edgee, innermost cells fil- 

 -dorm, rroedallary cells 

 large, longibjuhjud,. oute-r- 

 -most. round. ceils or con- 

 joined vertical filaments. 

 Gystocarps Freq.uendy 

 within an external, 

 prominent lianlsphcri- 

 -calrxrica.rp, sometimes 

 pedicellate, riucleus sun 

 pie. Fertde filovmerzCs 

 Txcdiaung from, base 'of 

 placenta . b ranched , or- 

 -tiailate, qtrmna cm. tdte 

 highest QWtuMla,tions. 

 'etmspores 



ffdrrmtiaa. ctuartoatadlci.iS. 



Caiaghsso. Leprieuni Mr.&rjg, 2J. 



Iriarttcwlaie e^panchd, 

 lea/- Idee fronds, often 

 nerved, surface cells 

 large,, elongate, . Gysto- 

 carp in an external 

 ratlurwide pericarp. 

 Fertile filaments from 

 cells of -placenta, de,- 

 ■pressed, large above base, 

 radiating orliccdbg. The 

 genurut at apices be- 

 -carne tarlxtst mature, 

 Ovcvatt- ohkmg, emitted 

 round. Utraspores 

 in slightly prorruttent 

 sort, hm}< 



divided 



Scinaio. taxceUatcu Rahtnhorst£2. 



friou-ticalate. algce, rre- 

 cauntty cylmdric. gel- 

 -cdinous , sometimes with 

 a calcareous deposit. The 

 interior loru/UUdinui fil- 

 -ccrnents become vertical 

 as dug appToaohirz ex- 

 ■terior, outer cells nund- 

 -cvngular. Cysttcarps 

 generally immerxdin, 

 the frond, evolxel tx- 

 -rnong the a>ittcalfd- 

 -ownnts, or susperded 

 in the frond by inter- 

 uooren filaments , gen 

 -eivdly on a proper pin- 

 -cento-, radiate. 



IrmrOaitctte algce, tub- 

 -ulose or dense, corn,- 

 -posed of ' emastsrnestng 

 fatunenh of long orshrt 

 alls. Oustnaarps im- 

 ■Trtifsed in the frond, 

 pericarp more or less 

 pwpujient, apertwed, 

 in. a hc-Uisw of woven, 

 placenta, becxrvacf 

 filcunerits, short or 

 long, pwmxnent, free 

 otbeve, cu-tlcidcxte^, 

 brcencJied, single,, 

 cdaMxxte- ohcvabL spores 

 vnthe terminal. 



Ptdcphra prvtihm. Phyc ftust.M. 



/Tuzrticula& algce, general- 



en. filroas alls- 

 Cysbocarps hemispher- 

 -tcal, single or doable,, 

 and prvrrdnent, the dis- 

 -sepiment hngtcuchnal 

 cuvlcoTwectediouh the 

 walls ofccwuy by slender 

 Filaments. Fertde. fda- 

 -ments densely seriate^ 

 in many shortened tasci- 

 -cles, with, attunes cohmn 

 of sterile fdaments, spams 

 edcwah-orxvatt, terrninali 

 Tefraspares amongst thecor- 



MyduxUa. hamxUa.florJas. 323. 



Inarticulate algce, formed 

 of lorigitudmal Filaments 

 and vertically seriated 

 cellules, tystocarps Un- 

 -mersed in the frond or 

 in an external peri- 

 carp, enclosing a com - 

 -pound riucleus. Trie pla- 

 centa, formed ofanum- 

 tfero/' ctrtiailatedftla- 

 -ments c 



■lows , uritlv fertile, fila- 

 -ments aggregated in 

 theledlows, spcvringlg 

 branched, spores ter- 

 -mZnal, pyriform. 

 J.dg.iS6- 



tSal-iera. cJu>T<l*lis 



RhcdcbnM. daidmidesFdJ49. 



Inarciadate edgar, tubulose. 

 cmdcmtamitig permrrent 

 filaments, orpartbg filled, 

 cuidzuith, a tabular axis , 

 or furnished with amedul- 

 ■lory ^stratum,. Cysto- 

 -carps tmmersedin the 

 frond or antained av 

 pericarps, writaintng 

 a sul^ornpownd nucleus, 

 placenta in centre, sas- 

 =pended ly filaments, 

 TUzclecli, disposed rocdi- 

 -ally about central pla- 

 jxnta.. cfavale-pyrifarm 

 spores tn the t^rrvirud 



Monaspora aAistrahs.tltycn.253. 



Wrangelia, elavigera. PhycAfLcV. 



j^raculate algai, nalced, 

 or corticate,, sal -continuous, 

 -with a ix-rcvcrrtnt arti- 

 -culated axis. 

 Fertile Moments mrehf 

 single, frequently many in 

 a-ruihtdmxdeus, or pro - 

 lecttd with, filaments, 

 radiadiig from the pla- 



-centa, cjontcLjxUxug sin- 

 gle pyriform clxwocte, 



spores. Tetraspores, 

 triangularly dwided,, 

 external, in sca-rcay 

 changed branches. 

 J.dg. 1876. 60J 



Carywcladia clmala. ffiyc/Wi ierwrmandia srxcta&lis 



Poh/siphmia -nstmhx.. PhifcHusi-14S.. 



-lose and crrtimlated only 

 in the upper part, with, 

 cellidar cbaphragms. 

 Crystocarp errdrcictnej 



nucleus in a dosed glc- 

 -bose external pericarp. 

 Fertde frlrnnenisradi- 

 -atincj stdramotely 

 from die placenta, oh 

 -conic, close, stzpitale, 



Tetraspores immersed, 



trrtaugiitarh/ divided. 



Frig. 1876 . 630. 



Truzrticulate algce, bi- 

 -bulose or solid. Filaments 

 or cells woven, together, 

 frecprjendy a percwreni 

 axis. Gyswcarps in- 

 flated, -most frequently 

 in an external ovate peri- 

 -carp uridi a terminal open- 

 ing, ttrtde filaments 

 in, hxnolles from. the. base 

 of the -pLcvjenta, single, 

 obovate-decvate. large 

 spores in, the Urmwal 

 ctrtzculatwns . Tetraspores 

 in the cortical stratum, 

 scattered. J. Tig. W&£i&. 



Frond ctrti^rAdate. cr 

 cellulose - exreolaite,, 

 -nhictercs of ajsiocarp in 

 an external pericarp. 

 Fertile fdarnerUs free, 

 rc^diaoting from the, 

 placenta, wriMxiriirig 

 terminal clavctte ar- 

 -ttcrdaAdoiiS transformed 

 into strzgle pyriform. 

 spores. Tetraspores 

 generally in serves in 

 the branchUts or in 

 pod- like bodies . (Stich- 

 -icba), sornetirnej in- 

 jori on- the -network 

 of the frond, 







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