Conjugatie, Zygnemacece, Spirogyra, 771 



gioribus; geniculis parum constrictis ; chloroplioris sitnplicibus, te- 

 Duibus, exsiccationo evanidis. 



Hab. in fossis ltalia.\ ad «Mestre»; an ad Patavium eadem? 

 (Alg. Zanardini). 



** Chlorophora in unaquaque cellula bina vel plura. 



01. Spirogyra Kurzii (Zell.) De-Toni, Ehijnchonema Kurzh' Zeller i836 

 in Iledwigia 1873 p. 174. — Cellulis vegetativis utrocjue fine re- 

 plicatis, 20-22 a. latis, diametro G-8-plo longioribus ; chlorophoris 

 2, laxis, torulosis, anfractibus 2; cellulis fructiferis turaidis: zygo- 

 tis (?) fuscis, GO 'j.. latis, ellipticis, diametro 2-2V2 longioribus. 



flal). ad «Eng-ga-na» Pegii Asia^ (S. KuRZ). 

 G2. Spirogyra Bellonae Zeller in Hedwigia 1875, p. 29. — Ca^spiti- i837 

 bus pallide vii-idibus, deinde nigrescentibus ; cellulis utroque fine 

 replicati.s, vegetativis 40-45 u. latis, diametro 4-8-plo longioribus; 

 chlorophoris 3-4. laxis; zygotis ellipticis. 



Ilab. in aquis stagnantibus prope aLibong» circa «Cantonn 

 in regione sinensi Asite (D."^ M. Bellon). 



63. Spirogyra elongata (Berk.) Kuetz. Spec. Alg. p. 440, Tab. phy- i838 

 col. V, tab. 23, fig. I, Rabenh. Alg. n. 1475, Fl. Eur. Algar. III, 



p. 241, Wolle Freshw. Alg. U. S. p. 221, t. 135, f. 1-2, Wartm. 

 Crypt. n. 150, Westend. Not. in Bullet. p. 26, n. 155, Kickx Flor. 

 crypt. des Fland. II, pag. 405, n. 1, Zygnema elongatum Berk. 

 Glean. p. 33, t. XII, f. 2. — Laxe CEespitosa, saturate flavo-viri- 

 dis; cellulis vegetativis 22-30 [i. latis, diametro 4-14-plo longio* 

 ribus, fructiferis valde inflatis; chlorophoris 2. haud raro 3, ra- 

 rissime 1, anfractibus lasissimis 3-5; zygotis ellipticis vel ovatis, 

 cellulis vegetativis araplioribus. 



Ilab. in fossis, ad lacuum et fluininum ripas totius Europa; pas- 

 sim, c. gr. ad (cBerndorf)) in Austria (A. Grunow), in Hungaria 

 (C. SCHLiEPiiACKE, Markus), Dalmatia (Vidovich), comit. Tyro- 

 lensi (De Heufler), ad Turicum in Helvetia (C. Cramer et 

 Ch. de Bruegger), prope » Nordhausen » (Kuetzing), prope a Dres- 

 den» et ad uHermsdorf » in Saxonia, in Silesia prope (cStrehlen» 

 (Hilse), Neomarchia (Itzigsohn et Rotiie); in Flandria prope 

 ((Bruges)) (Westendorp), in Anglia (Berkeley), Dania etc; etiam 

 in America boreali (Wolle); an in Algeria eadem? (MoNTAGNE). 



64. Spirogyra undulata Kuetz. Species Alg. p. 411, n. 43, Tab. Phyc. 1339 

 V, t. 25, f. V, Rabenh. Fl. Eur. Algar, III, p. 244. — Obscure 

 viridis, valde mucosa; cellulis vegetativis cylindraceis, 48-60 a. 



