t 



I 

 I 



f 



# 



^ 



f 



238 P. F. RElXSCn OJf PEESHWATEB AlGiE 



vltrels fenestris caldariorum occurrunt, P. iotrt/oides cellulls fere 

 duplo majoribus format thallum plurimum expansum, gelatinosum, 

 eetate provectiore tuberculosum. 



ScEKEDESMTTS QUADMCAUDATUSj Corda. Iiitcr Spirofj^ram. 

 In the fountain at Gcvernnient House, 



Porma comTuunis major cellulis externis spinis divergentibus, et 

 forma minor cellulis externis spinis ternis armatis. 



S. ACTJLEOLATus, spec. noY. S. cellulis oblongo-cyliudricis 

 utroque polo obtuso-rotundatis, spinulis compluribus brevioribus 

 absque ordine dispositis armato. Longit. fam. 4-cellularis 0'0196 

 milUm. Latit. cellular. 0-013-0'0168 millim, Specimiua singula 

 observata inter Spirogyrmn. PL YI. figs. 1 & 2. 



In the fountain at Government House. 



Propter cytiodermatis proprietatem, hunc Scenedesmum esse 

 propriam speciem certissime puto. In Scenedesmis dimensiones 

 ac formse cellularum observantur majore variabilitate quam m 

 aliis Frotococcis, qua do causa hsec propria ad definiendas Scene- 

 desmi species minore momento se offerunt, 



4 



Staurogenia cubica, spec. nov. S. coenobio rectangular! ex " . 



stratis cellularum duobus composito, cellulis minimis subovalibus 

 regulariter seriatis. LoDgit. coenobii O'OIGS millim, Latit. 

 coenobii 0-013 millim. Diam. cellular. 00041 millim. In coeno- 

 biis sparsis inter Spirogyram. PL VI. figs. 15 & 16. 



In the fountain at Government House. 



¥ 



PoLTEDBiuM MTJTiCTTM, A. Braiin^ forma. P. cellulis triangu- 

 laribus, angulis obtuso-rotundatis, marginibus lateralibus rectis. 

 Latit. 0*0224 millim. In speciminibus singulis inter Spiro- 

 gyram. 



In the fountain at Government House. 



CcELASTRTTM SCA.EIITJM, spcc. uov. C. familiis cubicis et sphse- 

 ricis, cellulis sphacricis verrucis 3-is-6-is firmis truncatis regulariter 

 dispositis apice ptinctulatis instructis. Diam. cellular. 0*0097 

 millim. Diam. fam. 8-cellularis 0-0196 millim. Diam. fam. 16- 

 cellularis 0'0333 millim. Inter Spirogyram in familiis singulis. 



In the fountain at Government House. 



C. TEBETJCOsrar, EeinscTi, ContributioneSy p. 77 {Chlorophyl.)y 

 tab. xii. fig. 8. Persimile, differt verrucis tenuioribus pluribus 

 irregulariter dispositis. 



m^-t*r 



