170 OÖ. Chr. Schmidt: Algen 1920— 1924 [152 
Anabaena solitaria Klebalın var. tenuis Seckt, Bol. Ac. Nac. Cordoba 25, 1922, 
p- 418, Fig. 38. — Argentinien. 
A. solitaria Klebh. var. tenuis Woronichin, 1. e. 2, 1923, p. 99. — Rußland. 
A. spiroides Klebh. var. talyschensis» Woronichin, 1. e. 2, 1923, p. 100. — 
Rußland. 
var. ucrainica Schkorb., 1. c. 2, 1923, p. 88. — Rußland. 
A. variabilis Kütz. f. crassa Woronichin, ]. ec. 2, 1923, p. 99. — Rußland. 
A. verrucosa Boye Peters., 1. c., p. 299, Fig. 12. — Island. 
Anabaeniolum Langeron (Oscillariaceae, aff. Anabaena), Ann. Parasitol. hum. 
et comparat. 1, 1923, p. 118. 
A. Brumpti Lang., ]1. c., p. 119, Fig. 9, 3. — Parasit; Senegal — Goldküste — 
Brasilien. 
. grande Lang., 1. c., p. 121, Fig. 9, 1—2. — Parasit; Argentinien. 
. intermedium Lang., 1. e., p. 121, Fig. 10, 6. — Parasit; Brasilien. 
. minus Lang., 1. e., p. 121, Fig. 10, 4, 8. — Parasit; Argentinien. 
. viscaciae Lang., 1. ce., p. 120, Fig. 10, 5. — Parasit; Argentinien. 
Anabaenopsis Miller nov. gen., aff. Anabaena, Arch. Soc. Russ. Protist. II, 
1923, p. 125. 
A. Elenkini Miller, l.c.. — Rußland. 
A. circularis (West) Miller l. ec. (= Anabaena tanganicae West). 
A. tanganicae (West) Miller l. c. (= Anabaena tanganicae West). 
Aphanizomenon platensis Seckt, Bol. Ac. Nac. Cördoba 25, 1922, p.420, Fig. 41. 
— Argentinien. 
Aphanocapsa Elachista West var. irregularis Boye Peters. in Rosenvinge- 
Warming, Botany of Iceland II, 1923, p. 265. — Island. 
A. Howei Collins, in Britton et Millspaugh, Bahama Flora, 1920, p. 618. — 
Bahama. 
A. sideroderma Naum., Kgl. Sv. Vetensk. akad. Hdlg. 62, 4, 1921, p. 18, 
Fig. 9, 1. — Schweden. 
A. siderosphaera Naum., Kgl. Sv. Vetensk. akad. Hdlg. 62, 4, 1921, p. 18, 
Fig. 9, 2. — Schweden. 
Aphanothece longior Naumann, Kgl. Sv. Vetensk. akad. Hdlg. 62, 4, 1921, 
p: 17, Fig. 8, 2. — Schweden. 
Arthrospira laxissima Setchell, Dept. Marine Biol. Carnegie Inst. Washington 
20, 1924, p. 183, Fig. 46. — Samoa. 
A. spirulinoides Ghose, Journ. Linn. Soc. Bot. 46, 1924, p. 338, pl. 31, 4. 
— Lahore. 
Atractella Printz (Oscillatoriaceae), Kgl. Norske Vid. Selsk. Skr. 1, 1920 (1921), 
P- 33. 
A. affixa Printz, 1. c., pl. XIV, Fig. 313—316. — Südafrika. 
Aulosira fertilissima Ghose, Journ. Linn. Soc. Bot. 46, 1924, p. 342, pl. 31, 9. 
Lahore. 
A. planctonica Elenk., Not. Syst. Inst. Crypt. Hort. Bot. Petrop. 1, 1922, 
p- 128. — Rußland. 
A. striata Woronichin, Not. Syst. Inst. Crypt. Hort. Petrop. 2, 1923, p. 113. — 
Rußland. 
Calothrix aeruginosa Woronichin, Not. Syst. Inst. Crypt. Hort. Petrop. 2, 
1923, p. 115. — Rußland. 
C. Elenkinii Kossinsk., Notulae Syst. Inst. Crypt. Hort. Bot. Retail Ross. 
3. 1924, p. 11. — Rußland. 
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