Conjugati», Desmidiacese, Disphiactium. 803 



smarium luberculahiin Archer in Micr. Journ. 1862, p. 247, t. XII, 

 f. 11-15, Rabenh. FI. Eur. Algar. III, p. 178. — Mininium, 14-24 ^ 

 9-11, setate provectiori et profunde et obtusangulo-constrictum, dia- 

 raetro duplo longius, a vertice late ellipticum, utroque polo late 

 rotuudatum vel subtruncatum; semicellulis e fronte visis late elli- 

 pticis, margine superiore verrucis minutis, opacis, 5-7 obsitis, raar- 

 gine inferiore nudis; zjgotis adhuc ignotis. 



llab. in stagiiis ad u Dublin » in Hibernia (Archer). 



36. Oisphinctium Clevei (Lund.) De-Toni, Calocijlindrus Clevei WoWe 2155 

 Desm. Un. S. p. 56, t. 50, f. 27, Penium Cleuei Lund. Desm. Suec. 



p. 86, t. 5, f. 11, Penium Thwaitesii Cleve Bidrag p. 402 uon 

 Ralfs. — Mediocre; cellulis subcylindricis, diametro 2V'2~3-pIo 

 longioribus, 99-118:^36-50, medio utrinque leviter emarginatis, 

 isthmo 33-40 u. lato; semicellulis e cylindraceo subconicis, apicem 

 utrunqae rotundatum versus sensim attenuatis, e vertice visis per- 

 fecte circularibus ; pyrenoidibus magnis, ellipticis, singulis, raro bi- 

 nis; membrana in cellulse apicibus ipsis subgranulato-punctata, ce- 

 terura subtilissime punctulata. 



Itub. in « Norby skog » prope Upsaliam et ad « Hergsbrunna» 

 in Uplandia, ad «Wirestorp, Riippe, Unnaryd » in Smolandia Sue- 

 ciae (Lundell); ad «Abo, Kaskerta, Pargas » Fennise (Elfving); ad 

 «Bro\vu's Mills» New Jersey Americae borealis (Wollb). 



Seitio 3. Tetmemoridium Hansg. Prodr. p. 187 et p. 244: Cellulse oblongo-he- 



xagoni;e, in sectione transversa rotundatas, in apicis medio lenissime in- 

 cisae; chlorophora in utraque semicellula singula, axilia, pyrenoidem sin- 

 gulum foventia. 



37. Disphinctium anceps (Lund.) Hansg. Prodr. p. 278, n. 359, Co- 2156 

 smariura anceps Lund, Desm. Suec. p. 48, t, 3, f. 4, Nordst. et 

 Wittr. Desm. Ital. p. 35, Cooke Hrit. Desm. p. 82, t. 36, f. 8, WoIIe 

 Desm. U. S. p. 59, t. 18, f. II, vix. Delponte. — Parvura, duplo 

 longius quam latum, oblongo-hexagonum, non profunde constrictum 

 sinu lineari subangusto, a latere couspectum oblongum, raedio utrin- 

 que levissirae eraarginatum, utroque polo valde rotundatura ; se- 

 raicellulis ^ubquadraticis, e basi recta sensira attenuatis, apice trun- 

 catis et (plerumque) quara levissirae eraarginatis, lateribus rectis, 

 angulis inferioribus rectis, superioribus subrectis, a vertice visia 

 subcircularibus, utroque flne paullura turaidis; raerabrana glabra; 

 pyrenoidibus singulis (ut videtur). Dimeus. 32-35 ^; 17-18, crassit. H 



[j.., lat. isthm. 12 y.., lat, marg. terra. 12-14 u.. 



