466 Myxophycese, Heterocystidese, Anabsena. 



Hab. in locis turfosis paludosis prope Neustadt Sylva^ Nigme 

 inter Tolypotrichem (A. Braun). 



Species mihi nomine tantum notse aut certe collectitiae. 



79. Anabaena atroviridis Trev. Prosp. pag. 55. 



80. Anabaena bullosa forma b tenuior Rab. Fl. Eur. Alg. II, p. 184. 

 Verisimiliter ut varietas Hapalosiphonis laminosi habenda est. 



81. Anabaena constricta Hass. Brit. Freshw. Alg. p. 283, t. 75, f. 9, 

 filamentis subtilissimis nec moniliformibus sporis (reproductive 

 cells) valde elongatis, plerumque solitariis, tenuibus. — In muscis 

 ad «Cheshurt» Anglife (Hassall). Hoec species cum A. impalpe- 

 brali Hass. (= Cylindrospermi sp.) pneeunte ipso Auctore, si- 

 militudinem prcnebet at sporae minores et medio leviter constrictse 

 sunt. Clarus Brebisson tamen (in sched. Alg. exs. Rabenhorstii n. 

 13581) putat hanc speciem aptius cum Cylindrospermo mesolepto 

 (= C. catenato) esse comparandam. 



82. Anabaena crispa Roem. Alg. Deutschl. p. 43, f. 173. 



83. Anabaena effusa Rab. Deutschl. crypt. Fl. p. 67. 



84. Anabaena limicola Roemer Alg. Deutschl. p. 43, f. 172. 



85. Anabaena macrocephala Trev. Prosp. p. 55. 



86. Anabaena maxima Borzi in Malpighia I, p. 105, t. III, f 4-7. — 

 In Italia (BoRzi), — Species indescripta. 



87. Anabaena putredinis Menegh. in Diz. di Convers. p. 1031. Cfr. 

 infra. 



88. Anabaena Turpini Menegh. in Diz. 1. c. 



89. Anabaena Vandellii Trevis. Prosp. p. 55. 



90. Anabaena tenuissima Borzi Probab. acc. coniug. Nostoch. (Bull. 

 Soc. Bot. it. 1895) p. 208 (nomen). — In paludibus agri Messa- 

 nensis Sicilioe (Borzi). 



91. Anabaena sicula Borzi in Levi Phyc. It. n. 193 (nomen). — Ad 

 Messanam Sicili^e (BoRzi). 



92. Anabaena nitellicola Bates in Mott & Cooper Flora of Leice- 

 stershire (1887), Journal of Botany XXV, p. 185. — In Leicester- 

 shire Anglia? (Batesj. 



93. Sphaerozyga elastica Ag. Ic. t. XXXVI, Kuetz. Sp. p. 291: «filis 

 tranquillis, globulis articulos ovales conjungentibus». — In rivulo 

 «Annerup» Scanije. Forsan cum S. elastica Ralfs (= A. oscilla- 

 rioides [3 elongata) conjungenda? 



