A 
Polysiphonia Binneyi. (Hary.) P. major, selacea, fusces- 
cens, pulchre tripinnata, pinnulis ultimis apice penicillileris, 
carpocloniis minoribus oligophoris, utrinque allenwatis; articulis 
non corlicalis, oligosiphoneis, diametro brevioribus; geniculis 
pellucidis, inferioribus tumidulis. ‚‚Key West.‘ Harvey. 
Polysiphonia variabilis. (Harv.) P. major, setacea, Iri- 
pinnata, jugamento primario flexuoso, pinnulis terminalibus 
lastigato-corymbosis; nec penicilliferis, carpocloniis validioribus 
ulrinque altenualis; articulis non corlicatis, oligosiphoneis, 
diametro subzqualibus, siphonibus saepe polygonis, utrogue fine 
arcte et oblique conjunetis. ‚„„New-Zeeland. Banks peninsula. 
March. 1849.“ Harvey. 
Polysiphonia Blandi. (Harv.) P. major, setacea, gracilis, 
diehotoma; ramis erectis, inferne elongatis, apice dense corym- 
boso-fastigatis, supremis in carpoclonia transmutatis, penicilli- 
feris; articulis inferioribus diametro subduplo longioribus, su- 
perioribus wequalibus. ,,‚Western Port. Vietoria‘‘. Harvey. 
Polysiphonia cespitula. (Sonder.) P. minor, setacea, 
rigida, bipinnala, pinnulis apice penicilliferis; artieulis non cor- 
ticalis, brevissimis, interdum obsoletis, &siphoneis . siphonibus 
rotundato polygonis, saepe oblique conjunctis. ,‚Wilsons Pro- 
montory, Juni 1353.° Dr. Ferd. Müller. 
Polysiphonia forcipata. (Harv.) P. minor, selacea, valida, 
irregulariter dichotoma, hine inde ramulo laterali instructo; 
apieibus foreipatis elausis; artieulis non corlicalis, Ssiphoneis, 
brevissimis; siphonibus validis, dilatatis. ‚‚Fremantle. Western 
Australia.‘ Harvey. Y 
Polysiphonia fracta. (Harv.) P. subsetacea, rigidula, di- 
varicato et vage ramosa, ramulis patenlissimis spinescentibus, 
subdistanlibus ubique obsessis; arliculis non corlicatis, Asipho- 
neis, diamelro sequalibus, supremis parum brevioribus. ,‚‚Key 
West. Florida.‘‘ Harvey. 
Polysiphonia Binderi. (Sonder.) P. mediocris subsetacea, 
irregulariter ramosa, ramis plus minusve elongalis, sspe se- 
eundis, a basi ad apicem usque villosis; pilis monosiphoneis 
simplieibus; arliculis non corticatis, oligosiphoneis diametro 
wqnalibus, ad genicula piliferis. La Guayro: Dr. Tams. 
Polysiphonia spinosissima. (Harv.) P. major, ultra 
selacea, alterne ramosa, ubique dense ramelloso-villosa, ramellıs 
spiniformibus, penicilliferis; arlieulis non corticalis, 7siphoneis, 
diametro wqualibus. ,„‚Port Fairy. Victoria“. Harvey. 
Polysiphonia Calodietyon. (Harv.) P. medioeris, ultra 
selacea, rigida, subvage ramosa, ramis ramulisque aculis pa- 
tenlibus, ubique obleetis ramellis brevissimis reliculaiim ramu- 
losis; arlieulis nudis oligosiphoneis, diametro  zequalibus, — 
„Friendly Islands.‘“ Harvey. 
