112 



MEMOIRS OF THE NEW YORK BOTANICAL GARDEN 



PLATE 9 



Figure 81. Lynyhija splcndens 



Two typical filaments, tlie lower showing hormo- 



gonia X 500 



82. Lyngbija ini( nmdia 



Terminal portion of a single typical filament x 500 



83. Porphyrosiijlion rohustus 



Terminal portions of two filaments, younger at 



the left, older at the right x 500 



84. Phonnidium mucosum 



Terminal portion of two filaments x 500 



85. Phonnidium leptodermum capitatum 



The longer filament above, x 500 ; H, below, 

 x 1,000, showing the character of the terminal 



cell 



86. Pliormidiinn ruhriterricola 



Terminal portion of a filament x 1,000 



87. Plwrmidium c(dcicoIa 



Ends of two typical filaments, uncinate one above, 

 straight one below x 1,000 



88. Plutrniidium duiiim 



Terminal portion of a single typical filament x 500 



89. Plectonema nuiride x 1,000 



