294 Bacillarieae, Naviculaceae, Berkeleya. 



Hab. in regione sequatoriensi Americae australis (Sodiro). — 

 «An Colletonema seu Frustulia? ». 



BERKELEYA Grev. [1827] Scott. Crypt. Fl. t. 294, etn. Grun. in Bot. 

 Centralbl. 1880, p. 1585 (Etym. a cl. J. M. Berkeley, cryptoga- 

 mologo anglico imprimis de fungis meritissimo), H. Vau Heurck 

 [1885] Syn. p. 113, De Toni Osservaz. tassou. Bacill. p. 903, Rha- 

 phidogloia Kuetz. [1844] Bacill. p. 110, Rabenh. FJ. Eur. Algar. 

 I, pag. 144, Hydrolinwn Link [1820] in Nees Hor. phys. Berol. 

 pag. 5?, Girodella Gaill. [1833] Obs. lim. veget., Cfr. Turp. Atl. 

 I, tab. 27-28, Schizonematis, Micromegce, Bangice, Monematis, 

 Confervce, Homceocladice sp. auct. nonnull. — Valvse nodulo cen- 

 trali deduplicato, (lobis plus minus longe discretis) donataB. Rhaphe 

 inter noduJi centralis divisiones absens. Frustula naviculacea, an- 

 guste lineari-lanceolata, apicibus obtusis, intra tubum gelatinosum, 

 mollem, (ilamentosum, subramosum inclusa et fasciatim dense ag 

 gregata. 



Obs. Genus aquae salsae incola sistens frustula amphipleuroi- 

 dea intra pseudothallum schizonemoideum congesta. 



Sectio I. Rhaphidogloia (Kuetz.) Grun. in B. C. 1880 p. 1585. — Frustula 

 elongata et angusta. 



Subsectio A. Frustula validius striata, striis 26-28 in 10 p. 



1. Berkeleya micans (Lyngb.) Grun. in Hedwigia 1868, p. 5, M. M. 1211 

 J. 1877, t. 105, f. 15, in Bot. Centr. 1880, p. 1585, V. H. Syn. t. 16, 

 f. 11, Bangia micans Lyngb. Hydrophyt. Dan. (1819) t. 25, Schi- 

 zonema micans Ag. Syst. p. 311, Naunema micans Ehr. Infus. 

 1838, Frustulia costata Lobarz. in Linna^a 1840, p. 272, t. 5, f. 1 

 (teste Kuetzing), Rhaphidogloia micans Kuetz. Bacill. pag. 110, 

 t. 22, f. VIII, Sp. p. 97 (frustulis longioribus). — Pseudothallo 

 lrregulari, epiphytico, mucoso, e filaraentis parvis, incurvis, gelatina 

 plus minus obvolutis composito,- frustulis ut in Berkeleija fragili 

 Grev., 75-110 ^., raro ultra, longis,- striis parallelis, delicatis, circi- 

 ter 26 iu 10 /,.. 



Hab. ad Ruppiam et Zosteram ad oras Dania? (Lyngbye!), 

 ad « Hoffmansgave » (Hoffman-Bang), ad « Kiel » (Rabenhorst) et 

 «Fleensburg» (Suhr), ad oras Gallia? et Neerlandias ; in mari adriatico 

 ad Tergeste (Hauck), Venetias (Biasoletto) etc. — Var. radians 

 (Ag.) Grun. 1. c. p. 1585, Schizonema radians Ag. Consp. p. 16, Rha- 

 phiciegloia micans Rabenh. Alg. Eur. n. 1698! non Kuetz. : fila- 



