SYSTEMATIC ENUMERATION AND DISCUSSION OF THE VARIOUS SPECIES 
THALLOPHYTA 
ALGAE 
CHLOROPHYCEAE 
ULVACEAE 
ENTEROMORPHA Harvey 
Ulva intestinalis Linn.; Blanco Fl. Filip. (1837) 842; ed. 2 (1845) 582; ed. 
3, 3 (1879) 262=ENTEROMORPHA INTESTINALIS (Linn.) Link. 
Blanco apparently correctly interpreted the Linnean species 
which is at certain seasons very abundant in tidal streams in 
the Philippines. 
Illustrative specimen from tidal streams, Manila, Luzon, No- 
vember, 1916 (Merrill: Species Blancoanae No. 1041). 
Ulva compressa Blanco FI. Filip. (1837) 842; ed. 2 (1845) 581; ed. 3, 3 
(1879) 261=ENTEROMORPHA PROLIFERA J. Ag. 
‘The description is very short and imperfect. Mr. F. §. Collins 
writes that he feels sure that it is this species, as represented 
by my number 4173. 
CODIACEAE 
HALIMEDA Lamouroux 
Fucus prolifer Blanco Fl. Filip. (1837) 838 (sp. nov. ); ed. 2 (1845) 579; 
ed. 8, 3 (1879) 259=HALIMEDA OPUNTIA (Linn.) Lamx. 
' Blanco’s description applies unmistakably to Halimeda, and 
the species he described is undoubtedly Halimeda opuntia (Linn.) 
Illustrative specimen from coral reefs, Puro, San Fernando, 
Union Province, Luzon, October 24, 1916 (Merrill: Species Blan- 
coanae No. 993). 
: CHARACEAE 
CHARA Linnaeus 
Conferva litoralis Blanco Fl. Filip. (1837) 843; ed. 2 (1845) 582; ed. 3, 3 
(1879) 263—=CHARA ZEYLANICA Willd. 
Blanco’s description applies unmistakably to Chara, his speci- 
mens being from fresh water. The identification of Conferva 
litoralis Blanco is made largely on the basis that Chara zeylanica 
