eillatis; arlicalis primariis diametro sesquilongioribus , ramulo- 
rum sequalibus, 6—8siphoneis. ‚Port Fairy. Vietoria‘“. Harvey. 
Polysiphonia Calothrix. (Harv.) P. densissime despitosa, 
repens, secunda, saturate purpureo-violacea; radienlis densis, 
subtilibus; ramulis fructiferis seeundis, junioribus subtilissime 
penicillatis; artieulis primariis brevissimis, diametro 2—3 plo 
brevioribus, ramulorum- diametro wqualibus vel parum longiori- 
bus, omnibus fere 9— 10siphoneis. ,,‚King George’s Sound.“ 
Harvey. | 
Polysiphonia pectinata (Harv.) P. repens, secunda, pur- 
pureo-violacea; ramulis junioribus maxime cireinalis, apice 
subtilissime penicillatis; artienlis primariis pellucidis, hyalinis, 
diametro .duplo longioribus, ramorum plerumque diamelro xqua- 
libus, omnibus Ssiphoneis. ‚King George’s Sound.‘ Harvey. 
Polysiphonia negleeta. (klarv.) P. cespitoso -fasciculata, 
capillaris, saturate purpureo-violacea ; trichomate A basi 
repenle, ramis primariis ereclis, ramulosis, ramulis inferioribus 
patentibus, superioribus erectis, apice non piliferisz; articulis 
oligosiphoneis, diamelro sesqui-vel subduplo longioribns, geni- 
eulis inferioribus tumidulis. ‚Ring George’s Sound.“ Harvey. 
Polysiphonia amoena. (Sonder. herb.) P. coccinea, erecta, 
2 — 3uncialis, ramosissima, ramis ereetis, apice fasligalo-corym- 
bosis, dichotomis, apicibus tenuissimis, gracilibus, nes pemcilli- 
feris, interdum in pilum subtlissimum transientibus; articulis 
oligosiphoneis, primariis nudis, diametro 3—4Aplo longioribus, 
ramorum sensim brevioribus, supremis diametro subaqualibus. 
„Port Philipp‘‘: Dr. Ferd. Müller. | ; 
Polysiphonia infestans. (Harv.) P, violaceo-purpurascens, 
subsetacea,, laxe ramosa; ramis ramulisque patentibus, fructi- 
feris utringue attenuatis elongatis; articulis oligosiphoneis, hya- 
linis, primariis diametro zequalibus, ramulorum superioribus 
brevioribus; antberidiis maximis, oblongis, breviter pedicellatis. 
„Ring George’s Sound“. Harvey. 
Polysiphonia Tongatensis. (Harv.) P. major, ramosissima, 
basiı dichotoma, ramis inferioribus selaceis patentibus, superiori- 
bus capillaribus, gracilibus, erectis, apice obsolete penicilliferis ; 
_ articulis infimis: supremisque diametro zequalibus , intermediis 
diamelro sesqui-vel duplo longioribus; genieulis inferioribus 
tumidis. ,‚Priendly Island.“ a Eu a  Tahre 
. maj a 
.. Polysiphonia Olneyi. (Harv.) or, viol 
rascens, basi subdichotoma , deinde ramosissima, ramis ramu- 
lisgue alternis densissimis; carpocloniis zgracilibus| utrinque 
attenuatis; articulis oligosiphoneis, non corlicatis, infimis dia- 
metro duplo brevioribus, superioribus diametro »qualibus vel 
parum longioribus; geniculis pellueidis non elevatis 
dence. Rhode J.‘“ Harvey. 
