Monographie der Oedogoniaceen. 187 



89. Oe. nodulosum Wittr. 



1872 Wittrock (II) p. 22, t. 1, f. 8—10; 1874 Wittrock (IV) p. 13, t. 1, f. 2 

 et 3; 1889 De Toni (I) p. 40; 1894 Möbius (II) p. 317, t. 1, f. 16; (?) Oe. sp. 

 Borge (II) 1899 p. 6, t. 1, f. 3. 



Oe. monoicum, oogoniis singulis vel binis, oboviformi-globosis, rarius obovi- 

 formi-ellipsoideis, operculo apertis, circumscissione superiore; oosporis globosis 

 vel subglobosis, rarius globoso-ellipsoideis, oogonia fere coinplentibus, mernbrana 

 laevi, haud raro crassa; antbericlüs 1 — 3-cellularibus, subepigynis vel hypogynis; 

 sperinatozoidis binis, divisione borizontali ortis; cellulis vegetativis bis undulato- 

 constrictis itaque trinodulosis ; cellula fili basali forma, ut vulgo, elongata, haud 

 nodulosa, cellula terminali apice obtusa vel (sec. Wittrock) apiculata; 



crassit. cell, veget. (15 — ) 20 — 29 (t, altit. 1%— 4V2-plo major; 

 „ oogon. 48 — 57 „, „ 56 — 73 a; 



„ oospor. 46 — 53 „ , „ 49 — 56 



» ; 



cell, antherid. 18—25 „, „ 7—9 



» > 



Tab. XXIX, Fig. 184. 



Hab. in 



America austr.: ad oppidum Porto Alegre civit. Bio Grande do Sul in Bra- 

 silia (Exp. Eegn. Alg. N:ris 1 et 20. Leg. cl. D:r G. A:n Malme). (?)Asia: Man- 

 dschuria (Herb. Borge). Australia: Dalby, Darling Downs, Queensland (sec. Möbius. 

 An forma typica?). Suecia: GÜ. ad Stenstuga par. Bro et ad Westerlans par. Bur 

 (sec. Wittrock); (El. ad Färjestaden (Herb. Wittrock); üpl. in Igeklammarne 

 (ad Norby) jtrope oppidum Upsala (Herb. Lundell). 



ß commune Hirn nov. var. 



' Exs. 1895 in Pkycoth. ßor.-Amer. Fase. II, N:o 74 (sub nom. Oe. nodulo- 

 sum Wittr.). 



1895 Hirn (I) p. 13 (sub nom. Oe. nodulosum Wittr.). 



Var. oogoniis oosporisque majoribus, illis suboboviformi-ellipsoideis, his elli- 

 psoideis, rarius globoso-ellipsoideis; 



crassit. cell, veget. 22 — 29 fi, altit. 1% — 4%-plo major; 



oogon. (59—) 64—74 „ , „ 70—90 f i ; 



oospor. (54— ) 56— 70 „, „ 67—80 „; 



cell, antherid. 18 — 26 „, „ 7 — 10 „ 



N:o 1. 



