1918] MACCAUGHEY—HAWAIIAN ALGAE 149 
C. Kuelzingianum Grun.—Fronds minute, thin, branched; epi- 
phytic on other seaweeds; also occurs in the South Pacific. 
GRATELOUPIACEAE 
Halymenia formosa Harv.—Rare; native name limu lepe- 
ahina; fronds gelatinous, flat, stipitate, much branched; also 
occurs in the South Pacific. 
Grateloupia filicina (Wulf.) Agh.—Abundant in shallow waters 
within the reef; on sandy bottom and on rocks. Known to the 
Hawaiians as limu paka-ele-awa’a or limu hulu-hulu-waena; the 
former name is used exclusively on Kauai, the latter on Hawaii; 
both names are used on the intermediate islands. This alga also 
occurs in many other seas. 
SQUAMARIACEAE 
Peyssonnelia rubra Descne.—lIn shallow waters along the reefs, 
in company with such algae as Halimeda Opuntia; adherent to the 
substratum; sometimes calcareous; in many other seas. 
CORALLINACEAE 
Mastophora tenuis Descne.—Reported only from the Hawaiian 
Islands. 
Amphiroa fragilissima (L.) Lamx.—Collected at Laysan; also. 
abundant in the Indian Ocean, and along the shores of Peru. 
Corallina sandvicensis Reinbold.—Collected at Laysan; fronds 
4-5 cm. high; known only from Laysan. 
The coralline algae have not been worked up taxonomically; 
there are probably 15 or 20 species in addition to the preceding. 
CoLLece or Hawau 
HonoLutu 
