CATALOGUE OF PLANTS. 401 



U. aureola, Ag. 



Atlantic : Atlantic City, not uncommon on woodwork Morse. 



U. percursa, Ag. 



Same locality ; rather common in tide pools. 



U. clathrata, Ag. 



Cape May : Beesley's Point Ashmead. Atlantic : Atlantic 

 City, common Morse; Longport Mrs. Lawton. Monmouth : 

 Ocean Grove Miss Boice ; New York Bay Pike. 



Var. uncinata, Le Jolis. 



Atlantic : Atlantic City Morse. 



Var. erecta, Le Jolis. 

 Same locality. 



Var. prostrata, Le Jolis. 

 Same locality. 



Var. crinita, Hauck. 

 Same locality. 



U. Hopkirkii (McCalla), Harv. 



Atlantic : On old shells, Atlantic City Morse. 



ULOTHRIX, Kutz. 

 U, flacca (Dillw.), Thur. 



Atlantic : On wharves, Atlantic City Morse. 



U. isogona (Smith), Thur. 



With the last, not uncommon. Also in New York Bay 

 Harvey. 



U. zonata (Web. & Mohr.), Aresch. 



In streams, firmly attached to stones. 



U. tenuis, Kutz. 



, In rapid waters. 



U. subtilis, Kutz. 



Varieties in flowing waters. 



U. flaccida. Kiitz. 



In damp or wet places. 



2A 



