Coiijngatae. Desmidiaoese, Closterium. • ' 835 



(Klebs), Gallia (Petit, nREBissoN), Suecia (Lundell, Cleve, 

 Wittrock), Norvef,Ma (Nordstedt), Bohemia (Hansgirg), Italia 

 (De-Toni, Levi), Feiinia (Elfving), Sibiria (Boldt) et Birmania 

 (Josiiua). 



44. Closterium japonicum Suring. .\lg. Jap. Mus. Bot. index in lledw. l^^tj 

 186S, p. 54, Alg. Japon. p. 17, t. 2, f. 31. — Anguste fusiforine, 

 diametro 18-20- ies longius, levissime arcuatum, pallido viridu- 

 lum, striis longitudinalibus circ. 23 in 25 a.; suturis transversis 

 3-5; longit. cell. 400-GOO a. 



Hab. inter algas aqu;\3 dulcis in Japonia — Closlerio infennedw 

 Ralfs proximum sed majus et striis fere duplo densioribus diversum. 



45. Closterium decorum Breb. Liste p. 151 t. 11, f. 39, Arclier in 1997 

 Pritch. Inf. i). 749, Rabenh. Fl. Eur. Algar. III, p. 137, Hansg. 

 Prodr. p. 181, Wolle Desm. U. S. p. 43, t. 7, f. 1, Nordst. Freshw. 

 Alg. of. N. Zeal. and Austral. p. 67. — Subraagnum, 370-450 ;i 

 30-41, anguste lanceolatum, duodecies-sedecies longius quam latum, 

 leviter curvatum, subtiliter striatum, utrinque in apicem 8-10 u.. 

 latum, obtusum, paulum porrectum attenuatum ,• pyrenoidibus par- 

 vis, in utraque semicellula G-8, uniseriatis; locello apicem versus 

 sito, sa?pe obliterato, corpuscula 10-15 includente; zygotis angu- 

 latis. 



Hab. m fossis, stagnis in Gallia (De Brebisson), in Fennia (Elf- 

 viNG)in Saxonia passim(RABENriORST),ad Upsaliam,HoImiair. (Cleve) 

 et ad «Bergsbrunna )) Uplandicie in Suecia (Lundell), in Hungaria 

 (ISTVANFFi) ad (( Veseli et Lomnio) circa ((Wittiugau» in Bohe- 

 mia (Hansgirg), in Pennsylvania et New Jersey Americ;i3 borealis 

 (Wolle), ad ((Arthur Pass, Christchurch, Rotomahana » in Nova 

 Zelandia (S. Berggren). — Sec. Rabenhorst in statu sterili a Clos/. 

 linealo difficile ad distinguendura, C. cleconun a raedio in apices 

 sensim, C. lineatitm vero ex corpore lineari sub polis subito at- 

 tenuatur, Ad ((Taupo))in Nova Zelandia, observante cl. Nordstelt, 

 S. Berggren collegit formam collulas 400-600 y.. longas pnebentem 

 [^Nordst. Alg. Sandw. tab. I, fig. 10-11; qune forma ad Closl. 

 crasHuni Delp. Spec. Desra. pag. 217, tab. 18, fig. 22-30 h. e. Clo- 

 slerinin Delponlii (Klebs) mihi valde accedit]. 



46. Closterium Cornu Ehrenb. Abhandl. Berl. Akad. 1830, Inf. p. 94, 1998 

 n. 107, t. VI, f. 5, Ralfs Brit. Desmil. p. 176, n. 21, t. XXX, f. 6, 

 Breb. Liste p. 154, n. 27, Ribenh. Alg. n. 1408!, FI. Eur. Algar. 



III, p. 137, Cooke Brit. Desm. p. 35, t. XII, f. 4, Hansg. Prodr. 

 p. 181, De-Toni e Levi Fl. Alg. Ven. III, p. 35, Closle^-^ium pro- 



