528 BULLETIN OF THE BUREAU OF FISHERIES. 
This species is easily distinguished from the following one by its smaller size, its more regularly 
dichotomous branching, and its production of hornlike branches from the upper edges of the conceptacles. 
It will not be mistaken for any other occurring in this region. 
This is the northern known limit of the species. 
2. Corallina cubensis (Montagne) Kuetzing. Pl. CXIII, figs. 4 and 5. 
Jania cubensis, Montagne, in Kuetzing, 18494, p. 709. 
Jania cubensis, Harvey, 1853, D. 84. 
Corallina cubensis, Kuetzing, 1858, Bd. 8, p. 37, pl. 77, f. II. 
Jania cubensis, De Toni, 1905, p. 1857. 
P. B.-A. No. 1500. 
Frond erect, forming dense, intricate tufts, 1 to 2.5 cm. tall, about o.2 to o.7 mm. in diameter, 
branching dichotomous or subpinnate, branches spreading, sometimes naked, usually clothed with 
short, fine, simple, or sometimes forked branchlets arising oppositely in t wo rows, branchlets sometimes 
prolonged, segments of the frond subcylindrical below, more cuneate above; texture fragile; color dirty, 
whitish pink. 
Florida; West Indies. 
Few fairly large tufts dredged from the coral reef offshore, Beaufort, N. C., August, 1914, and July 
to August, 1915s. 
This species is easily distinguished from the preceding by its larger size, its more pinnate branching, 
and its opposite branchlets in two rows. 
This is the northern known limit of the species. 
Undetermined species. 
A few species have been found in quantities or condition insufficient for determination. One of 
these (No, 1, Pl. CXII, fig. 5) seems deserving of comment. This isa red alga with an upright thallus, 
6.5 cm. tall, shortly stipitate and attached by a small disk; it is flat and thin, being 4 to 13 mm. wide, 
irregularly branched and bearing minute proliferations from the margins and from the wider apices; 
the structure closely resembles that of Halymenia floridana, having the “‘stellate ganglia’’ in subepidermal 
view as found in that species; the texture is thin membranaceous, the color brownish red; no fruit is 
present. This specimen seems to be closely related to Halymenia floridana, but because of the differ- 
ence in form and color and the absence of fruit, it has seemed best to keep it separate from that species. 
SumMaryY oF ALGAL FLORA. 
Identi- 
fied 
Families.) Genera. | Species. | Varieties. Per cent.| species | Per cent. 
and varie 
ties. 
EU VRODDY CERI mre etter ep tte taste sitet rcise cette 5 10 > ees 8.5 Io Ss 
Chloroph yrem aces a Fok. Sa os deleiat Waitin wae 2 Serge 8 13 23 2 17-6 25 18.8 
Phezophycee....... 2 caiciaydfayelaio]ciain/o\a Siac tats 8 18 27 2 20-4 27 20-3 
Rhodopiycears iis. tess acs tates cin atio. heer acme aes 12 43 74 2 53-5 70 53-4 
Motad7ie. cies Lae SU AKERTA tte eS ! 33 84 136 Gilrrsdt wage BUBEN cass 
- me enter’ S oe 
