106 
C. pulvinata, Ag. Greenport, Little Egg Harbor ; summer. 
C. parasitica, Thuret. Greenport, Jamaica Bay; summer. 
Rivularia atra, Roth. Hell Gate, Flushing Bay. 
R. plicata, Carm. Jamaica Bay, Canarsie. 
Isactis plana, Thuret. Fort Hamilion, Jamaica Bay on Fucus. 
Hormactis Quoyi (Ag.), Born. Greenport; July. 
ORDER II.—ZOOSPOREZ. 
SUB-ORDER.—CHLOROSPOREZ. 
Monostroma pulchrum, Farlow. College Point, Sag Har- 
bor; April. 
M. Grevillei, Wittrock. College Point, Sag Harbor; June. 
Ulva Lactuca (L.), Le Jolis.* 
Lactuca, var. rigida (Ag.), Le Jolis.* 
Lactuca, var. Lactuca, Le Jolis.* 
Lactuca, var. latissima, Le Jolis.* 
enteromorpha, Le Jolis.* 
enteromorpha, var. lanceolata, Le Jolis.* 
enteromorpha, var. intestinalis, Le Jolis.* 
enteromorpha, var. compressa, Le Jolis.* 
clathrata, Ag.* 
sau ato: (McCalla.),* Harv. 
(Very common all around the coast). 
Ulothrix flacca (Dillw.), Thur. Greenport ; summer.* 
U. tsogona, Thuret. College Point, Rockaway; April. 
U. collabens (Ag.), Thur. Greenport; May. 
Chetomorpha melagontum (Web. and Mohr), Kitz. Green- 
port, Rockaway inlet.* 
C. erea (Dillw.), Kiitz. Bath, Bay Ridge ; summer. 
C. Picquotiana (Mont.), Kitz. Fort Hamilton; summer.* 
C. Linum (Flor. Dan.), Kiitz. Jamaica Bay; summer.* 
Rhizoclonium riparium, Roth. Harv. College Point; July.* 
B. tortuosum, Kitz. Orient. 
Cladophora arcta, Dillw. Fort Hamilton, Bay Ridge, College 
Point; February to June. 
C. lanosa (Roth.), Kiitz. Rockaway, Flushing; May and 
June. 
C. lanosa, var. uncialis, Thur. Rockaway, Flushing; May 
and June. 
assasasas 
