62 Confervoideae, (EdogoniacetTe, CEdogonium. 



oospor. (c. ecliin.) 50-58 ^i 50-58; lougit. echinor. 4-4,5 u.. ; cell. au- 

 drosp. 14- 19=; 20-27; stip. nannandr. 11-13 =; 45-52; cell. antherid. 

 6-9 ij 8-10. 



Hab. in Suecia (Wittrock), ad ((Baveno)) Italice borealis (Wit- 

 TROCK et Nordstedt) et Florida Amer. bor. (Wolle). 



80. Cdogonium Donneilii Wolle Freshw. Alg. U. S. pag. 85, t. 84, i3s 

 f. 3-5. — Idioandrosporum ; oogoniis singulis, raro geminatis, qua- 

 drangulari-globosis; oosporis globosis, spinis coaicis ornatis, oogo- 

 nia fere ex toto implentibus; androsporangiis 4-10-cellularibus; 

 nannacdribus saepe incurvis, stipite 2-cellulari; antheridiis 2-plu- 

 ri-cellularibus; plantis masculis sensim minoribus ac femineis; 

 diam. veget. cell. 55-62 u.. altit. 2-plo raajore ; oogon. 85-95 :i 

 70-75; oospor. 70-75 s 70-75 (incl. sepira.); cell. androsp. 10-12 =; 

 40-45; nannandr. 80-90^15-18; cell. antherid. 5-6^10-12. 



Hab. in America boreali (Cap. F. Donnell Smith). 



81. CEdogonium hispidum Nordst. in Wittr. Dispos. (Ed. Suec. p. 128, i39 

 Prodr. Monogr. (Edog. p. 28, u. 62. — Gynandrosporum ; oogoniis 

 singulis, sfepe terminalibus, ellipsoideo-globosis, poro inferiore 

 apertis; oosporis oogonia non plane complentibus, globosis, echi- 

 nis subuliformibus; androsporangiis 2-celIuIaribus ; cellula terrai- 

 nali obtusa; nannandribus paullulum curvatis, in cellulis suffultoriis 

 sedentibus, antheridio unicellulari; crassit. cell. veget. 9-14 a. 

 altit. 3\4-5-plo raajore; oogon. 36-42 5^45-52; oospor. (c. echin.) 

 34-39*36-40; longit. echinor. 3 y.; cell. androsp. 10*6-8; stip. 

 nannandr. 7-8*17-18; cell. antherid. 5-6*7-9. 



Ilab. in Suecia et Gallia. 



82. CEdogonium Aster Wittr. (Edog. nov. p. 4, Prodr. Monogr. (Edog. i'^'^ 

 p. 29, n. 63. — Oogoniis singulis, globosis, poro raediano apertis ; 

 oosporis oogonia fere coraplentibus, globosis, echinis subuliforini- 

 bus; cellula terminali (quao interdum est oogonium) obtusa; nan- 

 nandribus paullulum curvatis, in cellulis suffultoriis sedentibus, an- 

 theridio unicellulari; crassit. cell. veget. 7-10 a. altit. 7-9-pIo 

 inajoro; oogon. 33-34*34-30; oospor. (c. echin.) 31-32 <*^ 31.32; 

 longit. echinor. 2 a. ; stip. nannandr. 6-7*23-25; cell. antherid. 5. 

 6*7-8. 



Ilab. ii» Suocia. 



83. (Edogonium echinatum (Wood) Wittr. (Edog. Americ. n. 11, Wolle in 

 Freshw. Alg. U. S. pag. '^G, tab. 85, f. 13-14, Androgynia echi- 

 nala Wood in Smithson. Contrib. to Knowl., vol. 19. — ■ Oogoniis 

 globosis, plerumque depressis, poro fLCCundationis in superiore par- 



