8l4 OonjugataB, Destaidiaceao, Closteiitim. 



queus, in Anglia, prope aSussex, Surrey, Harapshire)) (JennEr), 

 ((PeDzance» (John Ralps). ad Dublinum (Arciier), in Saxonia, pro- 

 pe (( Konig.stein » et Dresdam (L. Rabenhorst), ((Wurzen)) (Bul- 

 nheim), in Borussia (Klebs) et Silesia (Kirchner), in Suecia, prope 

 Upsaliam, Stockholmam et ad « Dalarne o (P. T. Cleve), in Kalia 

 bureali (Del Ponte), in Norvegia (Nordstedt), in Gallia (Rrebis- 

 SON), Belgio (De-Wildeman), Ilispania (D,"^ M. Lewin), Hungaria 

 (IsTVANFFi),Rossia(ARTARi), Groeulandia (BoLDT),Fennia (b^LFViNo), 

 America boreaii (Wolle). 



69. Closterium eboracense Turner in Trans. Leeds Natur. Club 188G, 2021 

 Cooke Brit. Desm. p. 37, Closterium Cucumis Wolle Desm. U. S. 



p. 40, t. G, f. 17-18, nec Ehrenb. sec. Cooke. — Seniilunare, 

 200-220 = 50-57, apicibus late rotundatis, margine superiori con- 

 vexo, inferiori concavo, medio numquam tumidum; pyrenoidibus 

 majusculis, secus series longiiudiriales dispositis; membraaa (eva- 

 cuata) hyalina, striis destituta; sutura centrali indistincta. 



Hab. in stagnis ((Carapsall, Doncaster, Chapeltown, Leeds )) Bri- 

 tanniai (Turner), in Araerica boreali, ut videtur, (Wolle). — Cfr. 

 vero Closterium Cuouinis Ehrenb. 



D. Celluhe falcato-incurvre, apieibus sensim attenuatse, vontre plus 

 minus medio tumidse (ita ut latus ventrale linea pluries incurva h. e. un- 

 dulata limitatum sit); zygota globosa, levia. 



70. Closterium Ehrenbergii iVIenegh. in Linn. 1840, p. 232, Hassall 2022 

 Freshw. Alg. p. 3G9 excl. syn , t. LXXXVII, f. 1, Ralfs Brit. De- 

 smid. p. 166, t. XXVIII, f. 2, Archer in Pritch. Inf. p. 748, t. XVI, 



f. 10-14, Rabenh, Bacill. n. 69, Alg. n. 1121 et 1497!, Fl. Eur. 

 Algar. 111, p. 131, Desmaz. Cr. de Fr. ed. II, n. 1356!, Wartm. 

 Cr. n. 131. Delp. Desm. subalp. p. 93, t. 16, f. 18-20, Cooke Brit. 

 Desm. p. 23, t. 12, f. 2, Wolle Desm. U. S. p. 45, t. 7, f. 10, 

 Hansg. Prodr. p. 182, Lunulina monilifera Bory Enc^^cl. 1824, 

 t. III, f. 22, 25, 27, Closferium Lunula Ehrenb. Inf. ex p. t. V, 

 f. XV, 21, Desmaz. Cr. de Fr. ed. I. n. 802, Closterium monili- 

 ferum f. Ehrenbergiana Jacobs. Apergu p. 170, Closterium mo- 

 niliferum c. Ehrenbergii Klebs Preuss. Desm. p. 10, t. I. — Cel- 

 lulis semilunatis, medio ad latus ventrale valde tumidis, apices 

 versus attenuatis et subhemispha)rice rotundatis, 60-100 //. latis, 

 diametro 4-G-plo longioribus; menibrana levi, hyalina; sutura 

 centrali indistincta; chlorophoris numerosis; pyrenoidibus nume- 

 rosis, pluriseriatis ; zygotis orbicularibus, levibus. 



