41 



Wittrock, 0., Nordstedt, 0., Cleve, P. T. et Kjellman,F. R. Algae 

 aqiiae dulcis exiocatae praecipue scandinavicae, quas adjectis algis marinis 

 chlorophyllaceiR et phycochromaceis. Fa.sc. I etll. No. 1—100. Upsaliae,lS77 . 

 C. Hedwigia, 1877, pag. 108—111. 

 " Grevillea, Vol. V, 1877, pag. 111. 

 » Bot. Notiser, 1877, pag. 21—26. 

 Wolle , F . Fresh water algae for Pennsylvania , U . S . 

 Bull. Torr. Cluh , novhr . 1876. 



Fresh water algae. 



d. Bull. Torr. Cliib , 1877, pag. 137. 



Siisswasseralgen , gesaaimelt in den drei letzten Jahren in der Ura- 



gegend von Bethlehem Pa, 



d. Torr . botan. BuUetins , 1876. Supplem. 



C. Hedwigia, 1877, pag. 184—187. 

 WoUny , R. Ueber die Gallen an Vaucheria. 

 d. Hedwigia , 1877, pag . 163 — 165. 



Spirogyra margaritata Wolln. n. sp. — Spirogyra elegans JVolh n. sp, 



d. Hedwigia , 1877, pag . 165—166. 



Wright, E. P. Macrospores of Salvinia natans. 

 Duhlin micr . Cluh . 18 april 1877. 



C. Quart. Journ. micr. sc, Vol. XVII, 1877, pag. 464. 



On the antheridia in Polysiphonia nigrescens. 



Buhlin micr. Cluh , 15 febr. 1877. 



C. Qnart. Journ. micr. sc, Vol. XVII, 1877, pag. 305. 



Ectocarpus sphaerophorus . 



Duhlin micr. Club , 24 may 1877. 



C. Quart. Journ. raicr. sc, Vol. XVII, 1877, pag. 465. 



On a uew species of parasitic green alga belonging to the genus 



Chlorochytrium Cohn. 



d. Trans. Dublin , P^ol. XXVI, 1877,^13«^. 355—368. With 2 pl. 

 e Nature, Vol. XV, 1877, pag. 416. 



New species of Chlorochytrium {Cohti) . 



Dublin micr. Club , 21 dechr. 1876. 



C. Quart. Journ. micr. sc, Vol. XVII, 1877, pag. 194. 



Minute parasitic algae . 



Grevillea, Fol. VI, 1877, pag . 66-70. 



New species of Chytridium , parasitic on Ectocarpus pusillus. 



Duhlin micr . Club , 18 Janri/ 1877. 



C. Quart. Journ. micr. sc, Vol. XVII, 1877, pag. 302. 



On a species of Rhizophydium parasitic on species of Ectocarpus, 



with notes on the fructification of the Ectocarpi. 



d. Trans. Dublin , Vol. XXVI, No. IX, pag . 369—380. Wit 1 plate. 

 C. Grevillea, Vol. VI, 1877, pag. 69. 



Wright , W. M. A. Dactylium macrosporum. 

 Duhlin micr. Club , 19 octbr . 1876. 



C. Quart. Journ. micr. sc , Vol. XVII, 1877, pag. 191. 



Mycrosporon mentagrophytes . 



Dublin micr. Club , 15 febr . 1877. 



C. Quart. Journ. micr. sc , Vol. XVII, 1877 ,' pag 305. 



Zanardini . Scelta di Eicee nuove o piu rare dei mare mediterraneo ed adriatico . 

 d. Mem. reale Istit. veneto , Fol. XVIII, pag . 253—287. Con %tao. — 

 Fol. XIX, pag. 511—544. Con 8 tav . 



Geschlechtliche Fortptianzung einer Fadenalge . 



Nattirforscher, H)«r Jahrg., No. 23—25. 



