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C. rupestris, (L.) Kiitz. Canarsie, Bath, College Point.* 
C. albida (Huds.), Kiitz. Jamaica Bay; very common.* 
C. refracta (Roth.), Aresch. Jamaica Bay; very common. 
C. glaucescens (Griff.), Harv. College Point, Orient, Green- 
port; summer. 
C. laetevirens (Dillw.), Harv. Fort Hamilton, Gravesend 
Bay ; summer. 
C. Hutchinsie (Dillw.), Kiitz. College Point; very rare; 
summer. 
C. flexuosa (Griff.), Harv. East River, Flushing Bay ; summer. 
C. Rudolphiana, Ag. Jackson Ferry, Hell Gate; July. 
C. gracilis (Griff.), Kiitz. Fort Hamilton; April to June. 
C. expansa, Kiitz, Greenport; summer.* 
C. fracta, Kiitz. South Ferry; summer.* 
Bulbocoleon piliferum, Prings. Greenport; July.* 
SUB ORDER.—BRYOPSIDE&. 
Bryopsis plumosa, (Huds). Ag. Fort Hamilton, Bay Ridge; 
May to September. 
B. hypnoides, Lamx. College Point, Jackson Ferry; May 
to September. 
Family SCYTOSIPHONE#. 
Phyllitis fascia, Kitz. All round the coast; November to 
January. 
Scytosiphon lomentarius, Ag. All round the coast.* 
Family PUNCTARIE#. 
Punctaria Jatifolia, Grev. Fort Hamilton, Greenport; 
June.* 
P. latifolia, var. Zostere, Le Jolis. Fort Hamilton, Green- 
port; June.* ; 
P. plantaginea, (Roth.) Grev. Orient, Sag Harbor; summer. 
Family DESMARESTIE. 
Desmarestia aculeata, Lamx. Fort Hamilton, Orient, Green- 
port; summer.* 
D. viridis, Lam. Fort Hamilton; very common; summer.* 
Family DICTYOSIPHONE. 
Dictyosiphon feniculaceus, Grev. Greenport, Port Jefferson; 
spring and summer. ) 
