Ru-Flori'Ioae, Cystoclonic.T, Cystocloniiiin- S\'A 



pctito faroata (collulis versus pcripheriaui niagnitudiue decrescen- 

 tibus, e fasficulo centrali filoruni medullarium longitrorsum excur- 

 rentiuiii et ropotito furcatorum exorientia. Collula auxiliaris in pro- 

 tuborantia (ju;ulam ramcllos radiantos, oxtrorsum rjuiuiloso-fascicula- 

 tos quo(iiiovorsum (Miiittons. 



Conspectus generum. 



I, Frons teres. 



A Frons quoquoversuni ramosn. 

 Ci/siocloniiim Knetz. — Structiu-a tVontlis ceIla!oso-lil imontosa ; nucleus cy- 



stocarpii nnllo adparatu (ilamentoso cinctus. 

 AyardhieUa Schmitz. — Structura frondis (superne intiis siil)tulmlos;e) cellii- 



loso-lilamentosa; nueleus cystocarpii adparatu lilamentoso cinctus. 

 B Frons moniliformi-articulata, ex articulis prolifera. 



Caijnella Grev. — Frons quasi tubuloso-laxa, structuram distincte tilamen- 

 tosam praAcns. 



II. Frons compressa aut foliaceo-plana. 



Tnrnerella Schmitz. — Frons foliaceo-plana, simplex aut irrcg^ulariter lobata, 



structuram celluloso-lilamentosam nriebeas. 

 FlaliauUia Born. — Frons plana, furcato-ramosa aut irregulariter lobata, mar- 



gine prolifera, structuram cel]uloso-!ilamentosam i)r>ebens. 

 RissoHla J. Ag'. — Fi'ons furcato-ramosa aut lobato, margine ciliata, structii- 



ram manifestius filamentosam prtebens. 

 Meristotheca J. Ag. — - Frons complanata aut foliaceo-iilana, plus rainiis ra- 



mosa, plerumque furcatim aut pinnatim divisn, sjcpe verrucis aut paiiillis 



numerosis in disco et in marginibus instructa, structuram celluloso-lila- 



mentosam proebens. 

 '^ Carpococcus J. Ag. — Frons fere Merisfothecce, intus tubuloso-laxa. 

 Eurynmma Schraitz. — Frons foliaceo-plana, structura dorsiventrali celluloso- 



tilamentosa donata, irregulariter digitatim lobata aut divisa, crassiuscula. 

 Auaiheca Schmitz. — Frons foliaceo-plana, deorsum in stipitem brevem abiens, 



simplex aut furcata vel irregulariter laciniata, nonnunquam margine pro- 



lifei'a; structura celluloso-filainentosa. 

 Euthora J. Ag. — Frons complanata, pluries laciniata aut pinnatim ramosa, 



structuram fcre omnino cellulosam prtebens; celluhe interiores magnfe, 



inordinatae. 

 Craspedocarpus Schmitz. — Frons plana, abunde (ssepius furcatim) ramosa, 



structuram fere oraniiio ccllulosam prasbens ; cellnlse interiores magna?, 



axin zig zag ad instar dispositum circumdantes. 

 GloionhijUis J. Ag. — Frons plana, irregulariter furcatim divisa aut lacinia- 



ta, ssepe margine prolifera, structuram fere omnino cellulosam prsebens. 



CYSTOCLONIUIV! Kuetz. [1843] Phyc.gen.p. 404, Sp. p. 756 (Etym. cystis 

 vcsica ot clon, clonos ramusculus), J. Ag. Sp. II, p. 306, Epicr. p. 238, 

 Schmitz et Hauptfl. in Engl. & Prantl Natiirl. Ptlanzenfam. 143 



