194 Karl E. Hibn. 



B. Dioica, nannandria (p. 59). 

 I. Antheridium exterius (p. 59). 



a. Porifera (p. 59). 

 «. Globospora (p. 59). 



96. Oe. Braunii Kütz.; Pringsh. 



1849 Kützing (III) p. 366; 1853 Kützing (IV) p. 12, t. 36, f. 3; 1858 Prings- 

 heim (III) p. 70, t. 5, f. 6 [1895 (V) t. 10, f. 6]; 1870 Wittrock (I) p. 127; 1872 

 Wittrock (II) p. 22; 1874 Wittrock (IV) p. 22: 1877 Nordstedt (I) p. 27; (1884 

 Cooke p. 161, t. 60, f. 3); 1887 Wolle (III) p. 79, t. 79, t. 6 et 7 (fig. haud bona!); 

 1889 De Toni (I) p. 53; 1895 Hirn (I) p. 16; 1896 Hirn (II) p. 2; Oe. calcareum 

 Cleve fi (jaditanum Lewin 1888 p. 18, t. 3, f. 53 (fig. mala!). 



Exs. 1877 in Eabenh. Alg. Eur. N:o 2500; 1879 in Ares eh. Alg. exs. Fase. 

 9, N:o 418; 1877 in Wittr. et Nordst. Alg. exs. Fase. 1, N:o 15; 1884 1. c. Fase. 13, 

 N:o 602a (hnmixt.); Eoumeguere, Alg. exs. N:ris 682 et 1171. 



Oe. dioieura, nannandrium, gynandrosporum ; oogoniis singulis, ellipsoideo- 

 vel subglobosis, poio raediano apertis; oosporis globosis. oogonia non plane com- 

 plentibus, membrana lasvi; cellulis suffultoriis subtumidis vel non tumidis; andro- 

 sporangiis 1 — 2-celIularibus; cellula fili basali forma, ut vulgö, elongata, cellula 

 terminali apice obtnsa; nannandribns prope oogonia, plenunque in cellulis suf- 

 fultoriis sedentibus, stipite (sec. Witteock) interduni ad 5-cellulari, antheridio 

 exteriore, unicellulari, stipite paulluluui curvato; 



crassit, cell, veget. 13 — 15 ;*, altit. 2 — 4- plo major; 



„ suffult. 16-20 „, „ l 3 / 4 -2V 4 - „ „ ; 



oogon. 30 — 37 „ , „ 33 — 43 (i ; 



„ oospor. 27 — 33 „, „ 27 — 33 



„ cell, androsp. 13 — 15 „ , „ 11 — 12 



„ stip. nannandr. 7 — -12 „, „ 20 — 28 



„ cell, antherid. 5—8 „, „ 9 — 10 



n > 

 ii i 

 ii i 



Tab. XXXII, Fig. 197. 



Hab. in 



America bor.: Pennsylvania et New Jersey (sec. Wolle). Britannia: ad oppi- 

 dum Goole Angliae (Herb. Wittrock). Dania (sec. Wittrock). Fennia: AI. in 



T. XXVII. 



