

t'ber die SuBwasserformen von Chantransia (DC.) Schmitz usw. \\ 7 



Var. : ramellosa (Kiitz.) Rabenh. 1. c. (Ch. ramellosa Kiitz. 1. c. 

 ex icone Tabul. phycol. cit. nonnisi statum sterilem speciei sistens.) ; 

 saxonica Rabenh. Flor. europ. III. p. 402; gracilior Rabenh. 1. c. 



Excludenda: Ch. Hermanni var. subchalybaea Hansgirg, vide 

 Pseudocfuuitransia pygmaea. 



3. C h. subtil is Moebius. Austral. SiiBwasseralgen in 

 Abh. *d. Senkenb. naturforsch. Gesellsch. 18. 1895, p. 313. Filis 

 (> — 10 p crassis, ramis in una planitie alternantibus vel oppositis. 



Inquirendae : Ch. caerulescens Mont, in Annal. sc. nat. 

 Bot. III. ser. t. 14. 1850, p. 297. Sporis didymis distincta; Ch. poly- 

 rhiza Reinsch. Contribut. ad algologium et fungol. p. 40. Rhizoidibus 

 permultis Lemaneae insidens. 



Excludendae: Ch. investiens Lenorm. — Balbiania in- 



* 



vestiens Sirodot Annal. d. sc. nat. 6. ser. t. II. Bot. p. 146; Ch. coc- 

 cinea Kiitz. = Rhodochorton pur pureum (Lightf.) Rosenvinge teste De 

 Toni e Forti. Atti del r. instit. Venet. di sc. t. 63. 1904, p. 205; Ch. vio- 

 lacea var. Beardslei Wolle 1. c. vide Pseudochantransia Lemaneae 

 fucinae; Ch. Hermanni var. subchalybaea Hansg. Sitzber. d. k. bohm. 

 Gesellsch. d. Wiss. 189J, p. 302 vide Pseudochantransia chalybaea. 



Pseudochantransia Brand. 1. c. 1897. 



(Andoninella (Bory) rnutato char. De Toni 1. c.) 

 Thallus forma et structura a Chantransiis hydrophilis vix diver- 

 sus, ramis irregulariter provenientibus, nonnisi fructiferis inter- 

 dum oppositis. Propagatio monosporis ex parte; generatione sexuali, 

 tetrasporis et polysporis deficientibus. Formas malae conditionis 

 asexuales aliorum Floridearum generum comprehendens. 



Sekt. I. Ps. Lemaneae Brand 1. c. 

 (Thalle Sirodot 1. c. Chantransiaform Atkinson 1. c.) 

 Filis adultis pro specie 15 — 120 p. crassis, colore virescente, 

 olivaceo vel vioJascente; sporis omnino deficientibus. Rivulorum et 

 fluminum rapide fluentium incolae. 



1. P s. amethystea (Kiitz.) Ch. amethystea Kiitz. Spec, 

 p. 430 et Tab. phyc. V. 43. Filis 17 — 23 a crassis, purpureo-violaceis. 



2. P s. Beardslei (Wolle) Ch. violacea var. Beardslei Wolle. 

 Bull. Torr. bot. club 1879. Filis 25 — 50 p. crassis, violaceis; teste At- 

 kinson 1. c. ad Leman. fucinam var. rigidam pertinet. — De formis non- 

 dum denominatis conf. monographias cit. auct. Sirodot et Atkinson. 



Sekt. II. Ps. Batrachospermi Brand 1. c. 



(Forme assenuee Sirodot 1. c.) 

 Filis 7 — \o, raro ad 19 ;t crassis, colore intra vitam e chalybaeo 

 caerulescente vel virescente vel olivaceo, sub lente interdum sub- 



