480 Eu-Floridez, Hypneez, Hypnea. 
mulosis, ramulis quoquoversum egredientibus patentissimis pluri- 
mis ramellosis, tetrasporiferis supra basin tumidis apiculo sim- 
plici aut ramoso terminatis, cystocarpiferis divaricato-ramosissimis. 
Hab. in oceano Pacifico ad insulas Sandvicenses (Hb. BINDER). 
— QCwspites late expansi, 10-15 em. ambitu, intriceato-ramosissimi, 
ramis hic illic aggregatis densis, aliis extra hos longe proeminenti- 
bus laxius ramosis, basi nudiusculis, apice subcorymbosis, attamen 
laxis, patentissimis et divaricatis. Rami terminales ramulique ab 
inferioribus ramis pullulantes subconformes, laxius cervicornes, ra- 
mellis divaricatis acutis. Ramuli hi demum fertiles evadunt, den- 
siores et magis contraeti, in planta eystocarpifera immo stipatissimi | 
et densissime ramulosi. hamelli tetrasporiferi supra basin mox in- 
tumescentes, apiculo sterili simpliei aut diviso terminati. In planta 
cystocarpifera rami nonnulli ramulosi et fertiles, alii denudati ste- 
riles; fertiles densissime divaricate-ramulosi rigidi et firmi, ste- 
riles aliis sterilibus conformes, basi nudiuseuli, apice laxe eorym- 
bosi. Cystocarpia ad ramulos divaricatos densa. Color coccineo- 
purpurascens. Substantia rigidiuscula. Ab Hypnea cervicorni dit 
fert staturà multo majore, e:espitum habitu longe diverso et fron- 
de eystocarpiferà ramis sterilibus et fertilibus valde dissimilibus — - 

insigni. 
16. Hypnea cervicornis J. As. Sp. II, p. 451, Epier. p. 561, SpA«- 
rococcus spinellus var. la:xior Ag. Herb., Hypnea spinella Kuetz. 
Tab. Phyec. XVIII, t. 26, Fucus hamwlosus Mert. mser. in Herb. 
Agardh (non Turner, CAondria hamwlosa Ag. Sp. Als. p. 961, 
Syst. p. 209 (exel. syn. Turneri), SpAh«rococcus mwsciformis var. 
pumila Harv. Alg. Telfair. in Hook. Journ. Bot. I, p. 147?. — 
Intrieato-c:espitosa, subdecumbens, divaricato-ramosissima ramu- 
lisque conformibus divarieato-ramulosis obsita, ramis fertilibus 
extra csspitem porreetis densius ramulosis, ramulis quoquover- 
sum egredientibus patentissimis, plurimis ramellosis, tetrasporiferis 
conformibus. 
Hab. in oceano Atlantico calidiori, ad oras Brasili:te (CuaMrisso, 
ManriUS), ad insulas Indi: oceidentalis (BENZON) et littus Mexi- 
canum (LIEBMAN); ad littora Japonie (GmuNow, HEvpRIcH); an 
eadem in oceano Indico ad insulam Mauritii? (TELFAm). — QCOw- 
spites depressi videntur et inter lapillos conchasque expansi, in- 
tricati. Frondes minut;e, majores crassitiem penn: passerinz haud 
wquantes, minores setaees ramis subeapillaribus, plerumque 2-5 
cm, longe, at intricatz€ et vix nisi dilacerat:e extricandie, divari- 

