584 Eu-Floridez, Rhodymeniez, Erythrocolon. 
Chijlocladia wncinala var. j. 4. Ag. Epicr. p. 9297, Chylocladia 
divaricata Harv. mscr. (non J. Agardh). — OCharacteres iidem ac 
generis. 
Hab. in Oceano Atlantico ad oras Ameriez borealis (HARVEY, 
BaiLEY, DuRKEE, GIBBES, OLNEY). — Csespites globosi, 4-8 em. diam. 
metientes, densi et sepe valde intricati, subfastigiati. rondes sete 
porcine crassitiem squantes, jam à basi irregulariter ramose, ra- 
mis divarieatis, nune subrevolutis nune subrectis. Color e coccineo 
rubescens, in sieco plerumque in brunneum vergens. Substantia 
molliter gelatinosa, ita ut specimina exsiecatione chartze arcte adhze- 
reant. Ipse clarus Harvey dubitatur utrum sua species distincta sit 
a Chylocladia wncinata Menegh. an cum specie Meneghiniana sit 
conjungenda. 
ERYTHROCOLON J. Ag. [1874] Grun. Alg. Fidseh. p. 93 [1876] Epier. 
p. 901 (ut sectio), Anal. algol. contin. IIT (1896), p. 90 (Etym. 
erylhros ruber et colon pars crassi intestini), C/iylocladice et Lomen- 
laric sp. auct. — Frons articulato-constricta, dissepimentis instru- 
cta, prolificationibus ramosa, ramis di-trichotomis aut vertieillatim 
dispositis, junioribus compressis cellulosis, cellulis maximis rotun- 
dato-cubieis, simplici serie frondis plano parallela dispositis, pa- 
rietibus demum gelatinosis et in fronde inflata aut cava subsolu- 
tis; cellulis exterioribus sensim minoribus, corticalibus submono- 
stromaticis. Cystocarpia intra pericarpium inflatum. nucleum mi- 
nutum foventia. 
1. Erythrocolon podagricum (Harv.) J. Ag. in Grun. Alg. Fidseh. p. 39, 
Chylocladia podagrica  Harv. Alg. exsicc. Fr. Isl. n. 59, J. Ag. 
Epicr. p. 302. — Fronde depressa, irregulariter expansa, ramos ve- 
sicnlosos sursum emittente, vesiculis rotundato-oblongis obovatisve 
simplieibus aut paucos articulos consimiles emittentibus. 
Hab. in oceano Pacifico ad « Friendly Islands » (HaAnRvEY), « Ton- 
gatabu, Hafeva, Ovalau » (GnakrrE, GRUNOW). — Membrana trans- 
verse secta offert fere structuram, quam Harvey C. (I.) Cliftont in 
Phyceol. austr. tab. 57 tribuit. Frons ad 5 cm. longa. Articuli, isthmis 
angustis discreti, 2-18 millim. longi, 2-6 millim. lati. Color sordide 
ruber. 
9, Erythrocolon Cliftoni (Harv.) J. Ac. Epier. p. 802 (sub Chyloclad?a), 
Chylocladia, Cliftoni Harv. in. Trans. Irish Acad. vol. 92, p. 5506, 
Phyc. àustr. tab. 57. — Fronde erectiuscula, artieulato- con- 

