202 0. Chr. Schmidt: Algen 1920— 1924 [184 
Closterium lineatum Ehr. var. multinucleatum Deflandre, Bull. Soc. Bot. 
France 71, 1924, p. 916. 
var. perporosum Grönbl., Acta Soc. F. F. Fennica 47, 4, 1920, p. 19, 
Nern 2, Si, — Mmmlamal 
C. lunula (Mill.) Nitzsch. var. intermedium Gutw. f. Levanderi Grönbl., ]. ce. 
1920, p. 20, Taf. 4, 22. — Finnland. 
C. malinvernianiforme Grönbl., 1. c., 1920, p. 20, Taf. 4, 18—21. — Finnland. 
C. peracerosum Gay. var. elegans West f. incolorato-glabra Woron., Not. Syst. 
Inst. Crypt. Hort. Bot. Reip. Ross. 3, 1924, p. 87. — Rußland. 
f. incolorato-punctata Woron., 1. c., p. 87. — Rußland. 
C. Pritchardianum Arch. var. subpraelongum Grönbl. 1. e. 1920, p. 21, Fig. 4, 1. 
— Finnland. 
. pseudoanastomosum Grönbl., I. c. 47, 4, 1920, p. 22, Taf. 4, 13. — Finnland. 
. pseudopenium Grönbl., 1. ec. 47, 4, 1920, p. 22, Taf. 2, 5—9. — Finnland. 
. recurvatum Roll, Not. Syst. Inst. Crypt. Hort. Bot. Petropol. 2, 1923, p. 38, 
Fig. 6. — Rußland. 
C. Regnesi Reinsch var. subornatum Woron., 1. c. 8, 1924, p. 103. — Rußland. 
C. rostratum Ehrbg. var. angustatum Roll f. incolorato-glabra Woron., Not. 
Syst. Inst. Crypt. Hort. Bot. Reip. Ross. 3, 1924, p. 88. — Rußland. 
C. spetsbergense Borge var. laticeps Grönbl. ]. e., p. 8, pl. 5, Fig. 43. — Finnland. 
C. striolatum Ehrbg. f. attenuatum Kaiser, Kryptog. Forschungen Heft 6, 
1924, p. 375, Fig. 39. — Bayern. 
. subjuncidiforme Grönbl., 1. c. 47, 4, p. 1920, p. 24, Taf. 4, 12. — Finnland. 
. subscoticiforme Grönbl., 1. ec. 47,4, 1920, p. 24, Taf. 4, 5. — Finnland. 
. sublanceolatum Woron., Not. Syst. Inst. Crypt. Hort. Bot. Reip. Ross. 
3, 1924, p. 87. — Rußland. 
C. submalinvernianum Woron., Not. Syst. Inst. Crypt. Hort. Bot. Reip. Ross. 
3, 1924, p. 86. — Rußland. 
f. colorato-striata Woron., l. c. — Russland. 
C. submoniliferum Woron., Not. Syst. Inst. Crypt. Hort. Bot. Reip. Ross. 3, 
1924, p. 85. — Rußland. 
SESE®S 
SDR 
f. colorato-striata Woron., l. ce. — Rußland. 
f. incolorato-glabra Woron., l. c. — Rußland. 
f. incolorato-striata Woron., l. ce. — Rußland. 
C. subspetzbergense Woron., Not. Syst. Inst. Crypt. Hort. Bot. Reip. Ross. 
3, 1924, p. 86. — Rußland. 
f. colorato-glabra Woron., 1. c., p. 86. — Rußland. 
f. colorato-striato-punctata Woron., 1. c., p. 87. — Rußland. 
f. incolorato-striata Woron., 1. c., p. 86. — Rußland. 
C. subquadratum Nordst. var. minus Woron., 1. c. 3, 1924, p. 103. — 
Rußland. 
C. taxichondrum Lund. var. caucasicum Woron., Not. Syst. Inst. Crypt. Hort. 
Bot. Reip. Ross. 3, 1924, p. 102. — Rußland. 
C. tenerum Woron., Not. Syst. Inst. Crypt. Hort. Bot. Reip. Ross. 3, 1924, 
p: 84. — Rußland. 
C. truncatulum Roll, 1. e. 2, 1923, p. 39, Fig. 8. — Rußland. 
C. tumidum Johns. var. nylandicum Grönbl., Acta Soc. F. et F. Fennica 49, 7, 
1921, p. 7, pl. 5, Fig. 33—41. — Finnland. 
C. turgidum var. Groenbladii P. Schulz, Bot. Archiv 2, 1922, p. 124, Fig. 9. — 
Danzig. 
