PLATE XIVII. 


5O MICRONS 

Page 
Fig. 4538. Oedogonium gallicum Hirn. (Redrawn from Hirn).................124 
Fis..454.Oensexanculare (Cleves voi ts.c sc beside b NO EL eee eee 126 
Figs. 455 and 456. Oe. sexangulare v. angulosum (Hallas) Hirn. (After 
Vedas pictus cos einen’ kc mandate suate cess Bea aud, 7 eae NE a ae Pe ee 126 
Fig. 457. Oe. sexangulare v. majus Wille. (Redrawn from Hirn).............127 
Irters YS}. | COKE, lohetclbrovhl, INGEN AD rebakerMno Lise aa baad elected anes Beet Ne ceae ate 125 
Pie 459 ee Oexpratiniigy-sZenneri dit anyerer ee sei eee ae eee ee ee 125 
Figs. 460-462. Oe. braunii v. hafniense (Hallas) Hirn. (After Hallas)....... 125 
236 

