238 



pollet qnippe qnae 0,00008*" el nltra in diametro major! 

 'saepe teaet. 



1. Spkaerastrum pictum Meyen, cellulis ciineato - acnlis, 

 in globninm sphaeriuam radiantibas. — Meyen ]. c. f. 22. 

 24. (1828), Ehr. Infnsor. p. 146. n. !65. — Micrastorias 

 Staurastrnm Ktz, I. c. p. 78, n. 18. . — M, rosnla Kt%* 

 1. c. p. 72. n. 4*? 



(V. r.) 



2. Sphaerastrum elltpticum Met/en, celloHs ...... in 



globniam OTato-ellipticnm radianfibns. — Meyen Jabres- 

 bericht 1834. Wiegm. Arch. (1835). 



3. Sphaeraitrum cuneatum Etz,y cellalts cuneatis, bilobis, 

 lobiB rotandatis, in globnium magnum, varie lobatnm, 



carnm concrelis. — JT^s. Mss. in Menegb. Consp. A^o* 

 Engan. p^ 19. ( 1837 ). — Gompbospbacria apenina Ktz, 

 Alg. Decad. XVI. N. 151. 

 (V. V.) 



4* Sp^^TUstrum eckinotwm Mgh^^ cellulis partito-bilobis, 

 lobis bast venti^icosis^ apice mncronatis in globnlnm sphae* 

 Ticom eckinatam railiantibns. — Menegh. I. c. p. 19. (1837). 



(Y.T.) 



5. Sphaerastrum radiatum Mgh,^ cellnlis conicis, mncro- 

 natis, pleramqae oetonis, mncronibus aculls longe pro- 

 ductis, in globnlara radiatnnt dispositis. — Hfenegk* J. e. 

 p. 19. (1837). 



(V. ^.) 



Obs» Conferra echiualala E* 6. t. 1378, Echinella arti- 

 colafa ab Agardh (Syst. p. 16) et Micrasterias arti- 

 calata a Kulzing ( 1. c. p. 78. n. 19 ) nnncnpata. Dee- 

 midiearnm censui prorsns aliena yidetar. . 



Xli. TriQcKUo^ia Kt%, Cellalae g]ob«so.««nprefisae, 

 salitariae vel is seriem nnicam Tjel dnplicem siranl agjgregaiae. 



