TKITICELLA KORENII. 



545 



Triticella KoreniIj G. O. Sars. 



Plate XLV. figs. 8-10 (omitted in the description of the Plates. Fig. 10, 

 a young cell) ; Plate LXXX. fig. 6 ; and Woodcut, fig. 31. 



Triticella Xorenii, G. 0. Sars, Christian. Vidensk.-Sel.sk. Forh. 1873, 



393, pi. ix. 

 Triticella flay a, Normal?, Ann. N. H. February 1879, 138. 



Fig. 31. 



Colony of Triticella Korenii, nat. size. 



Zocecia hyaline, scattered on a delicate creeping stem, 

 slender, elongate-ovate, slightly curved outwards on 

 the dorsal side, except at the very base, where the out- 

 line is somewhat incurved, the chief convexity being 

 below the centre o£ the cell ; the ventral or front side 

 occupied in great part by a produced elliptical area, 

 which is slightly depressed and covered in by a very 

 delicate membrane. Frenaculum (or horny band) very 

 much attenuated, placed at a short distance (about 

 one fifth the length of the cell) above the base. Pe- 

 duncle of very variable length, usually as long as the 

 cell or longer. 



Polypide with about 18 tentacles, which nearly equal the 

 cell in height. 



This species is characterized bv its tall and very slender 



2 N 



