134 



MEMOIRS OF THE NEW YORK BOTANICAL GARDEN 



PLATE 20 



Figure 4G. Ifdssdiix fraijilis 



Upper portions of typical lilamciits x 1300 



" 47. Tohjpofhrix papijracea 



Upper portion of a typical tilament x 500 



" 48. Toljipotlirix amoena 



Portions of a filament, showin"; tlie cliai'acter of 



the cells in different parts x 250 



" 49. ToJiipoflirix robust a 



Portions of a filament, sliowing the character of 



the cells and the sheatli in different parts x 250 



50. Toh/pothnx Willei 



Portions of a filament, sh()\ving the character of 



the cells in different parts x 250 



" 51. Sfigoncma dcgans 



A tilament, showing typical vegetative branching, 

 above, and a portion showing hormogoniferous 

 branching, below x 250 



