48 



Wartmann. Ueber Diatomaceen. 



Verh. schweiz. naturf, Ges. St. Gallen, 1879, pag. 65. 

 C. Bot. Jahresber., 1879, pag. 489. 



Wild, J. J. Does Sargassnra vegetate in the open sea? 

 Nature, Vol. XX, i819, pag . 578—579. 



C. Bot. Jahresber., 1879, pag. 462. 



Wille, N. Ueber Schwarmzellen und deren Copulation bei Trentepolia 

 Mart. (Chroolepus). Mit 1 Taf. 

 Vide Rep. Tom. VII, 1878, pag. 38. 



C. Bot. Zeit., 1879, pag. 294-295. P. M. 



Oedogonium Landsboroughii (if«ss.) Wittr. §. norwegicum, n. sp. 



Bot. Notiser, 1879, pag. 23. 



Wittrock, V. B. Revision of the species of Oedogoniaceae. 

 Natiire, Vol. XIX, 1879, pag . 390. 



Oedogoniceae araericanae hucusque cognitae quas enumeravit. 



Vide Rep. Tom. VII, 1878, pag . 38. 

 C. Bull. Soc. bot. de France, Tom. XXVI, 1879; Rev. bibliogr., pag. 65. 

 « Bot. Zeit., 1879, pag. 312. G. 



On the spore-formation of the Mesocarpeae and specially of the 



new genus Gonatonema. — G. ventricosm , n. sp. — G. notabile. 

 Stockholm, 1879. 



Vide Rep. Tom. VI, 1877, pag . 40. — Tom. VII, iS18,pag. 39. 

 C. Bull. Soc. bot. deFrance, Tom. XXVI, 1879; Rev. bibliogr., pag. 62— 63. 

 " Hedmgia, 1879, pag. 124—125. 



Wittrock, V. B. etNordstedt, 0. Oedogonium Wolleanum Wittr.^. insigne 

 Nordst., n. var. — 0. crassiusculum Wittr. ^. idiandrosporum 

 Nordst. et Wittr. n. var. — Haematococcus nivalis (Baiier). — 

 Chlorococcum botryoides Fries. — Dictyosphaerium pulchellum Wood. 

 — Oocystis solitaria Wittr., n. sp. — Hyalotheca undulata Nerdst., 

 n. sp. — Cosmarium dovrense Nordst., n. sp. — C. pseudaretoum 

 Not'dst., n.sp. — Penium phymatosporum iVort/sL 5. majus, n. var. — 

 Cylindrocystis crassa de Bar. — Mesotaenium chlamydosporum de Bar. 

 (?. Archeri Rabenh. — Mesotaenium Endlicherianum Naeg. ^. grande 

 Nordst. — Oscillaria major. — Apanothece saxicola Naeg. ^ aquatica 

 Wittr., n. var. — Polycystis (Clathrocystis) aeruginosa KMz. — 

 Polvcvstis flos-aquae Wittr., n.sp. 

 Bot". Notiser, 1879, -pag. 23-27. 



Wittrock, V. B. et Nordstedt, 0.: Hauch, F.; Kjellmann, F. R.: Wille, N.: 

 Wolle, F. Algae aquae dulcis exsiccatae praecipue scandinavicae, 

 quas adjectis algis marinis chlorophyllaceis et phycochromaceis. Fasc. 

 5 et 6. No. 201 — 300. Upsaliae, 1879: Oedogonium Landboroughii 

 (Hass.) Wittr. ^. norvegicum Wittr. nov. var. — Polycystis Wittr. 

 prasina, n. sp. 



C. Bot. Notiser, 1879, pag. 20—23. 



'/ Oest. bot. Zeitschr., 1879. pag. 165. R. 



" Hedwigia, 1879, pag. 73 — 76. 



• Bot. Jahresber., 1879, pag. 461. 



WoUe, F. Dubious forms of freshwater algae. With 1 pl. 

 Americ. qiiart. micr. Journ., 1879. No. 3. 



C. Bre'bissonia, Vol. I, 1879, No. 12, pag. 185. 

 " Bot. Jahresber., 1879, pag. 472—473. 



