432 
PACIFIC SCIENCE, Vol. VIII, October, 1954 
range in branch size from as little as 50 /x to 
over 125 m in diameter. 
Grateloupia filicina (Wulfen) C. Agardh 
1822: 223. Fucus filicinus injacquin 
1786-96: 157, pL 15, fig. 2 (Adriatic Sea) 
Fig. 42^ 
LOCAL DISTRIBUTION: On rocks, Sta. 6 
(11235). 
These plants are fertile and entirely char- 
acteristic of slender forms of this species. 
Fig. 43. Halymenia dilatata: Habit, X 0.75. 
Grateloupia ramosissima Okamura 1913, 
leones 3: 60, pL 117, figs. 1-11 (Southern 
Honshu, Japan); Tseng 1936^: 43 
Fig. 42^ 
LOCAL DISTRIBUTION: Forming dense mass- 
es 10-15 cm. long on the face of the sea wall, 
Sta. 6 (11236, 11454). 
My material is somewhat more slender than 
Japanese and Formosan specimens I have seen, 
but is clearly like this species in habit and 
branching. The abundant, short, fertile branch- 
Jania capillacea Harvey 1853: 84 (Florida); 
Dawson 1953: 116 
Fig. 41^, b 
LOCAL DISTRIBUTION: Entangled with small, 
filamentous algae in drift, Sta. 3 (11100); on 
coral dredged from 2 m., Sta. 7 (11250). 
The specimens in these collections are vat- 44 Halymenia mamlata: Habit of a small plant, 
iable in diameter. Those of 11250, particularly, x 0 . 66 . 
