BULLETIN OF THE BUREAU OF FISHERIES. 
ee. Filaments at first consisting of single rows of cells, the upper cells of the 
filaments soon divided longitudinally, forming tubes; unbranched...Bancia (p. 464). 
eee. Filaments consisting throughout of several rows of cells... ........0..000 20.000 eee eee 1. 
2. Frond erect throughout, branching in all directions............. POLYSIPHONIA (p. 502). 
ti. Frond erect, arising from a creeping filament, branching alternately pinnate, 
distichous, giving a zigzag appearance. .............0 cece eee BOSTRYCHIA (p. 506). 
ii. Frond creeping, forming a velvety mat with erect branches..... HERPOSIPHONIA (p. 507). 
bbb. Frond ‘terete; ‘at least forthe’ most parts }....4.). W801. .a8h . s08. RESO 79, DIGS | DSRIT SUN as 
yy. Cprondirepilarly dichotomousy i312 .i de. oS alae eet Penlecon cues one sb penne LL k. 
k. Frond small, about 3 cm. long and less than 1 mm. in diameter; horny, tough; 
darkigreenish purples: s :i. $209) EO. SIE IO S80 GYMNOGONGRUS (p. 477). 
kk. Frond large, 10 to 20 cm. aon 3 to 8 mm. in diameter; fleshy, soft; pink 
a . Halymenia agardhii (p. 517). 
kkk. Frond’ ae 9 ies 34 cm. ened I ane 4 mm. ees semetinies latte eds sometimes 
with pinnate branches in addition to dichotomies; cartilaginous, tough, coarse; 
red to purple and dark green. . 2 Ort 2 . Gracilaria multipartia (p. 484). 
kkkk. Frond large, 8 to 18 cm. ow 0.5 iat Imm. in cre many pinnate 
branches in addition to dichotomies; ultimate branches beset with numerous 
fine hairsialong their’ sides;- red s/s: 4.) e.vaers dh oetetatelolele oretele elelotele'etelel ths baal 
LS Hairs) Simple Ns ia co ohne ates Ana ose R ee Oe Seen Meee aan /SPYRIDIA & 512). 
WAHaits Hranchied 4 4.52)-).fose ees Sie here Sain saloon wlalsiod eters ee BRONGNIARTELLA (p. 505). 
jj. Frond not regularly dichotomous. . a dpack Sancta ita 
m. Frond consisting of a solid aliens eds alten ake naiiows pladdesike mettieties 
Fe betes . .Chrysymenia uvaria (p. 491). 
mm. Broa holla ete RSE. LOR ROHS BAAR MG RO) SE STONE, BILE osha so ofeta's n. 
n. Frond large, up to 30 cm. long and 4 to 5 mm. in diameter; branches constricted 
at the bases........ et . .Chrysymenia enteromorpha (p, 490). 
nn. Frond 1.5 to 6 cm. dons) saben 4 Imm. in diamistad? constricted at intervals, 
the tube containing transverse diaphragms at these constrictions. .CHAMPIA (p. 492). 
nnn. Frond 1 to 3 cm. long, less than 1 mm. diameter; no transverse diaphragms; 
branches frequently arched and bearing branchlets principally along con- 
vex side; arched branches sometimes attached at their tips. .. .LOMENTARIA (p. 491). 
mmm. Frond solid or nearly so. afc Sh Sr 6: 
o. Frond small, 1 to 5 cm. long o.5 mm. or nes (aicieter! upright pradches' aes 
front'acreeping stem tay. ve J8y LS, SRS DS NSBR 2. ..GELIDIUM (p. 475). 
oo. Frond larger than ome SBE LA coat ta Sancho ORS e comes ua OIICe Tun Gororiaaca poor p. 
p. Branches beset with numerous hairs along their sides; red..............DAsyaA (p. 508). 
pp. Ultimate branchlets constricted at the bases; red or reddish....... CHONDRIA (p. 498). 
ppp. Branches recurved at the icin or bearing short, gta spinelike 
branchlets; green....... sseseteeee ss sEEYPNEA (p. 485). 
pppp. Frond not disGinpuictied by any of ‘above e desea : pacer engin ett 
q. Branches arising on stem in two rows, main axis SOWIE inattoneds Ry ne tM f. 
r. Texture somewhat gelatinous; branching pinnate throughout; cystocarps 
internal. pat sys REE: . .RHABDONIA (p. 480). 
rr. Texture ommewtiat iiielap otis: Gielen early andinennous! cysto- 
carps external, conspicuous.................00- Gracilaria multipartita (p. 484). 
qq. Branches arising on all sides or at least not in two rows, main axis not 
Hatten ease PANG TOYA GE Mevne ere. ate Somer Rete re nee ete oie awe atoia is ce S. 
s. Cystocarps internal. . TMT AR, STEED NAILIN AMR ag Saeate cea lee ote esas naveatcanes 
t. Texture rather poIaGhaee, saree Jecvecceesccesccoess+ AGARDHIELLA (p. 478). 
tt, Texture rather cartilaginous, eisidie Oe PISe Oe ee BocsRoms mk 481). 
ss. Cystocarps external. . Seria pics 7: 
u. Texture Bishop ceecaleteteiorne frond slender) ieaally not & more e than 3 I 
mm. in diameter, beset with many short fine branchlets, smaller 
ranichesiong slender: vcr wkvinn seit). eh ee Gracilaria confervoides (p. 483). 
ee 
