Monographie der Oedogoniaceen. 85 



12. Oe. cardiacum (Hass.) Witte. 



Vesiculifera cardiaca Hassall (III) 1845 p. 203, t. 51, f. 4 (sec. Wittrock); 

 Oe. cardiacum Wittrock (I) p. 135; 1874 Wittrock (IV) p. 33; 1877 Nordstedt 

 (I) p. 29; 1878 Kirchner (I) p. 57; (1884 Cooke p. 166, t. 62, f. 5); ? 1888 Nord- 

 stedt (VI) p. 13; 1889 De Toni (I) p. 70; 1892 Bornet p. 191 (sep. p. 31); 

 ?? 1894 Möbius (II) p. 319, t. 1, f. 19; 1895 Hirn (I) p. 19; 1896 Hirn (II) p. 3 

 snb nom. Oe. lautumniarum Wittr. ; ? JPringsheimia inaqualis Wood (III) 1874 

 p. 195, t. 18, f. 1 [1878 Wittrock (VI) p. 145]. 



Exs. 1SS3 Wittrock in Wittr. et Nordst. Alg. exs. Fase. 11, N:o 504 

 (Fase. 21 p. 3); 1898 in Tilden, Amer. Alg. Cent. III, N:o 258. 



Oe. dioieum, macrandrium ; oogoniis singulis (rarissime binis), subglobosis 

 vel subobcordiformi-globosis, poro paullum supra medium sito apertis; oosporis 

 globosis, oogonia non complentibus, membrana Igevi; plantis masculis paullo 

 gracilioribus quam femineis; antheridiis ad 10-cellularibus; spermatozoidis binis, 

 divisione horizontali ortis; cellula fili basali forma, ut vulgo, elongata, cellula 

 terminali apice obtusa; 



crassit. cell, veget. plant. 



fem. 



18—30 f( , 



altit. 



3 — 7-plo major; 



r> n r> n 



masc. 



15-25 „, 



i) 



3—7- 



oogon. 





48-70 „, 



» 



58—78 f t; 



„ oospor. 





42-60 „, 



!) 



42-60 „; 



„ cell, antherid. 





15—21 „, 



51 



10—14 „. 



Tab. III, Fig. 19. 



Sab. in 



Africa: ad oppidum Tanger in Marocco (Herb. Nordstedt. Leg. cl. P. K. A. 

 Scbousboe). America austr.: Paraguay, Paraguari (Exp. Regn. Alg. N:o 78. Leg. 

 cl. D:r G. A:n Mal ine). America bor.: '? in stagnis prope Philadelphia Pennsylvanise 

 (sec. Wood); Elgin County, Ontario, Canada (Herb. Tilden. Forma ad f. inter- 

 jeetum accedens!). Australia: loco haud indicato (Herb. Berol.); '? Queensland: 

 Darling Downs, Dalby (sec. Möbius); '? ad Tokano River Novse Zelandise (sec. 

 Nordstedt). Britannia: in horto regio Kew pro]3e London (Herb. Wittrock) 

 et in stagno inter Hook Green et Lamberhurst (sec. Hassall) Anglise. Dania: ad 

 urbem Kjöbenbavn et ad Lyngby insulse Seeland (Herb. Wittrock). Fennia: AI. 

 in pago Godby par. Finström (Herb..M. Fenn.); Ab. ad Sampalinna et Kakskerta 

 prope oppidum Abo nee non in insula Sandö par. Sagu (1. c); N. ad urbem Hel- 

 singfors (1. c); Sa. ad Gravi par. Rantasahni (1. c); On. ad Kusaranda (1. c). Gallia: 

 ad ojjpiduin Falaise prov. Normandie (Herb. Wittrock et Herb. Bruxell.), ad oppi- 

 dum Bourges prov. Berry (Herb. Nordstedt. Leg. cl. D:r Ripart) nee non in 

 reg. Herault (Herb. Nordstedt. Leg. cl. Professor Fr. Gay). Germania: Caroli- 



N:o l. 



