92 



commune Vauch. Kg. p. 169. 



ZB. Ad terram secus vias et aggeres , in umbrosis , 

 graminosis, elc. 



den. Sphaerogyra. 



seriata n. sp. 



aeruginea; trichomatibus moniliformibus (diam. 

 7§ö''0' articulis globosis vel ellipticis, hincinde 

 dimidiatis; spermatiis ellipticis, majoribus (diam. 

 s'§ö~4èö'')3 granulosis, fuscescentibus , seria- 

 tis Kg. 



ZB. In aq. duici stagnante libere natans. 

 Oscillarioïdes Kg. Anahaina oscill. borij. dubij. Bot. 

 Gall. II. p. 992. 



Aeruginea, trichomatibus moniliformibus, (diam. 

 _i_-_|._"') articulis ellipticis, oblongisve, saepe 

 transversim medio contractis et dimidiatis 5 sper- 

 matiis ellipticis (diam. ^hö—^io)' ^^' 



ZB. In fossis aq. dulcis inter folia Kanitnc, 

 aquat. 



Gen. Cylindrospermnm. 



macrospermum. Kg. p. 173. 

 ZB. In terra humida. 



Oen. Sperniosira, 



Vrieseana n. sp. 



implicata , trichomatibus curvatis(diam.5|-5-^|g"'), 

 coeruleo-aerugineis , spermatiis granulosis , fuscis , 

 majoribus (diam. ^\ö'")- 



ZB. Inter confervas aq. subsalsae. 



