. Bulletin de la Société botanique de Genève. grossissement plusfaible. cilia bina cellula vix breviora ; multiplicatio cellulis 4 intra tegu-mentum matricale. Cellulœ 20/15, 15/12, 17/13 mm. Forte affinis Chl. maculatœ Playfair ; an affinis Chl. giganteœDill. ? Chlamydomonas pteromonoides Chod. nov. spec. Cellulse ellipsoideae, tegumento late ampliato; contentus ovoideovel obovoideo, apice umbonato, chlorophoro antice late et profundeemarginato dilute viridi, campaniformi vel plus minus Stella toeroso, pyrenoide in parte tertia posteriori corporis sito, magno,stigmate mediano vel paululo supr
. Bulletin de la Société botanique de Genève. grossissement plusfaible. cilia bina cellula vix breviora ; multiplicatio cellulis 4 intra tegu-mentum matricale. Cellulœ 20/15, 15/12, 17/13 mm. Forte affinis Chl. maculatœ Playfair ; an affinis Chl. giganteœDill. ? Chlamydomonas pteromonoides Chod. nov. spec. Cellulse ellipsoideae, tegumento late ampliato; contentus ovoideovel obovoideo, apice umbonato, chlorophoro antice late et profundeemarginato dilute viridi, campaniformi vel plus minus Stella toeroso, pyrenoide in parte tertia posteriori corporis sito, magno,stigmate mediano vel paululo supra médium affixo, vesiculiscontractilibus duobus polo anteriori. 296 BULLETIN DE LA SOCIETE BOTANIQUE DE GENEVE (4) Cellulce /14, 23/17, 25/18 ji (fig. 2. a. b.).Tegumenti crass. utrinque ce. 5 «a ; pyrenoides 5 \ CM. glœocystiformi Dill. a quo differt absentia umbonisdispositione stigmatis hic magis centralis. Chlamydomonas polydactyla Chod. nov. spec. Cellulse ovales, tegumento crassiusculo ; chlorophorum basi. Fig. 2 bis. — Lobomonas bernardinensis mobiles et quiescentes. campaniforme e medio in lobos lineares, digitiformes solutum ;pyrenoides unica lata ; stigma ad apicem polo anteriori. Cellulse 16/10, 18/11, 14/10 jj,. Ex affinitate CM. grandis Stein cui convenit chlorophoro simili,a qua satis differt forma cellulse ovoidea, chlorophoro basi magisconfuso, et statura duplo minore. Chlorogoniuni bernardinense Chod. nov. spec. Cellula fusiformis, utrinque acuminata ; membrana tenuis hyalina,adhœrens macrogonidiis exceptis haud visibilis ; chlorophorumlaminare plus minus convolutum medio incisum in macula hyalinanucleus cellula vix angustior conspicuus ; pyrenoides binse magnse ;stigma lineare ad partem quartam anteriorem ; vesiculse con-tractiles sparsae plures, ssepius duse conspiciores haud procul astigmate ; polus anterior obtusiusculus lateraliter bipunctatus, eporis cilia divergentia patentia. Multiplicatio gonidiis 4 vel
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1909
