474 Eu-Florideze, Hypneez, Hypnea. 
recurvato-uncinati, cirrhos in planta majori, in exaspites validos 
concrescente constituentes, Antheridia in ramulis superioribus ma- 
.ceulas subhyalinas parum prominulas, marginem hyalinum referen- 
tes formantia. 
5. Hypnea nigrescens (Grev.) J. ^o. Als. Liebm. p. 14 in Act. Holm. 
Oefvers. 1847, Sp. II, p. 443, Epicr. p. 4495, Fucus hammwlosus 
Esp. Fuc. t. LXXXIX (non Turn.), Hypnea chordacea Kuetz. iu 
Flora 1847, Sp. p. 760 (non Tab. Phyc.). — CGwespitosa, virgatim 
ramosa, ramis extra c:espitem parum porrectis apice brevius de- 
nudato attenuatis rectiusculis, ramulis quoquoversum egredientibus 
patentibus utrinque attenuatis, tetrasporiferis conformibus supra 
constrictam basin mox tumidis, apicem versus sensim longius | 
acuminatis, cystocarpiferis spinescentibus divaricato-ramosis. 
Hab. in oceano Indico ad oras Indostaniz: (Wianr); et insule : 
Javse? (ZorntiNaER). — Cispites densi, cireiter 7-8 em. longi, ramis | 
singulis extra czspitenm communem vix emergentibus. Frondes : 
steriles distanter ramos:ie virgatim ramuloss, ramulis quoquover- 
sum epredientibus, 2 millim. circiter distantibus, fusiformibus, basi 
brevius, apice longe attenuatis, simplicibus 2 millim., compositis plu- 
ra millim. longis, eximie patentibus. In fronde tetrasporifera ra- 
muli sterilibus conformes, supra basin constrictam mox intume- 
scentes, apice aliquando obtusiori et superficie magis indquali. 
In planta cystocarpifera ramuli divaricato-ramosi, ut in aliis quo- 
que speciebus mos est, cystocarpia lateralia singula aut raro plur: 
gerentes, apicibus ramellorum divaricatis minus acutis. Color alg:e 
madefactzs purpurascens, sepe in ramis virens, ramulis purpureis, 
exsiccatz:» nigrescens, Substantia rigida firma. Crassities ramorum 
fere pennas passerin:e. 
Hypnea armata (Mert.; J. Ag. Sp. IIl, p. 444, Epicr. p. 561, Kuetz, 869 
Tab. Phyc. XVIII, t. 20(?), Fucus armatus Mert. mser. in Mus. Pa- 
risiensi, SpAerococcus muscifürmis y. armatus Xg. Sp. I. p. 928, 
Fucus muscosus Lamour. mscr. in Mus. Parisiensi, Zypnea frati 
cwlosa Kuetz. Sp. Alg. p. 760. — Elongata, corymbifera, ramis co- 
rymborum virgato-ramulosis apice longe producto recto nudiuscu- 
lis, ramulis quoquoversum eegredientibus patentibus basi ramel- 
losis demum utrinque attenuatis, tetrasporiferis conformibus supra 
basin attenuatam mox fertilibus incrassatis. 
Hab. ad Caput Bonsw Spei (Konur, PApPE) — Frondes semipe- 
dales, a plexu fibroso radicali surgentes, inferne nuliuseule aut 
ramis majoribus distanter obsitz:e, superne densius ramos:, ramis 

6. 
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