where it is said to have been first observed in 1884 by the late 

 Professor Farlow, who distributed it under the name Oscillatoria 

 diffusa Farlow, for which no diagnosis appears ever to have been 

 published. Its second recorded occurrence in America was by 

 Dr. Edgar W. Olive who reported' it in 1905 as giving a reddish 



in that neither has any outlet to speak of . " It is of interest to 

 note that Long Lake, in another state, the third American lake in 



The chief point in which the New York specimens appear to 



toria protifica is the color. As first described by Greville, the 

 Scotch plant is said to be "purple" and Greville 's colored figure 

 of a mass of the filaments is a sordid chocolate-purple. The 

 living plant of Jamaica Pond in its mass effects has been described 

 as "light reddish-brown,"' "of a decided chocolate hue,"' 

 " reddish, "• and "brownish chocolate-color,"' while that of Long 

 Lake is mostly a yellowish brown. However, the color of the 





