153] Neue Formen 1920—1924 — Cyanophyceae zul 
Calothrix gelatinosa Fritsch et Rich, Trans. R. Soc. S. Africa 11, 1924, p. 373, 
Fig. 27. — Südafrika. 
C. nodulosa Seteh. et Gardn., Proc. Calif. Ac. Sc., 4. Ser., 12, 1924, p. 702, 
pl. 12, 9—10. — Californien. 
C. nidulans Setch. et Gardn., 1. c. p. 703, pl. 12, 7. — Californien. 
C. parietina (Naeg.) Thur. var. africana Fritsch, Trans. R. Soc. S. Africa. 
11, 1924, p. 375, Fig. 28. — Südafrika. 
C. Ramenskii Elenk., Not. Syst. Inst. Crypt. Hort. Bot. Petropol. 1, 1922, 
p- 9. — Rußland. 
Campylonema lahorense Ghose, New Phytologist 19, 1920, p. 36, Fig. 1—6. — 
Lahore. 
Chamaesiphon cylindricus Boye Peters. in Rosenvinge-Warming, Bot. of Ice- 
land II, 1923, p. 272, Fig. 2. — Island. 
Ch. filamentosa Ghose, Journ. Linn. Soc. Bot. 46, 1924, p. 337, pl. 31, 1. — 
Lahore. 
Chlorogloea regularis Setch. et Gardn., Proc. Calif. Ac. Se., 4. Ser., 12, 1924, 
p- 698, pl. 12, 1. — Californien. 
Chondrocystis Bracei Howe, Bull. Torr. Bot. Club 51, 1924, p. 355. — Bahamas. 
Chroococcus bataviae Oye, Hedwigia 63, 1921, p. 177. — Java. 
Ch. Bernardi Oye nom. nov., 1. ce. p. 177 (= Ch. indicus Bern.). 
Ch. helveticus Naeg. var. consociato-dispersus Elenk., Not. Syst. Inst. Crypt. 
Hort. Bot. Petrol. 2, 1923, p. 23. — Rußland. 
Ch. sarcinoides Wislouch, Acta Soc. Bot. Polon. 2, 1924, p. 127, Taf. 3, 2. — 
Südrußland. 
Ch. Westii Boye Petersen, in Warming-Rosenvinge, Botany of Iceland II, 
1923, p. 263, Fig. 1. — Island. 
Coceopedia Troitzk. (Chroococcaceae), Not. Syst. Inst. Crypt. Hort. Bot. 
Petrogr. 1, 1922, p. 131. 
C. limnetica Troitzk., 1. e. — Rußland. 
Coelosphaerium Naegelianum Ung. var. Lemmermani Elenk. et Hollerb., Not. 
Syst. Inst. Crypt. Hort. Petrop. 2, 1923, p. 156. — Rußland. 
Cylindrospermum caucasicum Woronichin, Not. Syst. Inst. Crypt. Hort. Petrop. 
2, 1923, p. 100. — Rußland. 
C. fluviaticum Schkorb., Not. Syst. Inst. Crypt. Hort. Petrop. 2, 1923, p. 88 
— Rußland. 
C. marchicum Lemm. f. tenue Bristol, Ann. of Bot. 34, 1920, p. 64, Fig. 7. — 
Großbritannien. 
C. punctatum Woronichin, l. e. 2, 1923, p. 100. — Rußland. 
C. stagnale (Kütz.) Born. et Flah. var. tenuis Seckt, Bol. Ac. Nac. Cördoba 25, 
1922, p. 421. — Argentinien. 
Dasygloea amorpha Berkely var. africana Fritsch et Rich, Trans. R. Soc. 
S. Africa 11, 1924, p. 359, Fig. 21 F. — Südafrika. 
Dermocarpa chamaesiphonoides Geitler, Ber. D. Bot. Ges. 40, 1922, p. 283, 
Fig. la—g. — Österreich. 
D. Reinschii Seteh. et Gardn., Proc. Calif. Ac. Se., 4. Ser., 12, 1924, p. 699, 
pl. 12, Fig. 6. — Californien. 
D. Marchantae Setch. et Gardn. 1. c., p. 700, pl. 12, Fig. 12. — Californien. 
_ Dichothrix Bornetiana Howe, Bull. Torr. Bot. Club-51, 1924, p.357. — Bahamas. 
D. compacta (Ag.) Born. et Flah. var. calcarata Woronichin, Not. Syst. Inst. 
Crypt. Hort. Petrop. 2, 1923, p. 116. — Rußland. 
