Eu-Flori(lore, Mycliodefe, Mychodejl. S63 



Hah. ad oras Californiae (Dimmick). — Habitii fere Agar- 

 dhiellam teneram eximie refcrt, colore, magnitiidinc et ramifi- 

 cationis norma fere conveniens, at ramuli rauiorum inferiores, 

 qui laxe virn;atin\ dispositi sunt, fiunt sensiui apice insequaliter 

 dilatati et incurvati, dcuuim fere circinatim torti, nou unica vice 

 incurvati, ut Hypneis magis normale, sed magis irregulariter et 

 iteratis vicibus coutorqucntur, ramulis quasi appendicem vermi- 

 cularem collaboutnm prsebeutibus. Sectio transversa ostendit stru- 

 cturam genuiuam Mijchodea3, strato corticali cellulis fere unica 

 serie dispositis coustante, intenncdio cellulis rotundato-angulatis, 

 aquam avide bibentibus parietil)us crassis instructis composito, 

 axili fasciculo sat couspicuo. Specimina exsiccatione chartse arcte 

 ailha3rcnt. 

 4. Mychodea carnosa Harv\ Alg. Tasm. p. 408, Phyc. Austral. t. 142, ^28 

 J. .Ag. Epicr. p. 571, (Kuetz. Sp. p. 723, Tab. Phyc. XVI, t. 76), Cysto- 

 clonium carnosum J. Ag. Sp. H, p. 309, Acanthococcus acicularis 

 J. Ag. in Act. Holm. Oefvers. 1849, p. 87, Sp. 11, p. 436, Cystoclo- 

 nium aciculare J. Ag. Alg. Bidrag p. 9, n. 9, Mychodea Muel- 

 leri Soud. in Linn. (fide Harv.), Gracilaria aculeolata Aresch. 

 Phyc. extraeurop. (1854) p. (353) 37. — Fronde tereti, caruosa, di- 

 chotomo-ramosissima, ramis quoquoversum egredientibus sensim 

 attenuatis, ramulis lateralibus minutis spineeformibus ; cystocarpiis 

 in intlata basi ramulorum nidulantibus, hemispherice prominulis, 

 ramulo oblique mucrouatis. 



Hab. ad oras Novse Hollandiae (H.^rvey, Areschoug, Mueller) et 

 Tasmanise (Harvey, Gunn, Curdie, Fereday). — Frons 15-45 cm. 

 longa, crassitiem joquaus peuuse columbiuse, sursum seusim angu- 

 stior, ramosissimi, ramificatione fcre dichotoma, ramis aliquando 

 iucurvis et exteriore latere subsecunde ramulosis, axillis obtusis. 

 Ramuli iu ramis superioribus plurimi, brevissimi, 2 mm. long. vix 

 exccdcntes, erecti et subadpressi, in exsiccata parum conspicui, a 

 basi lata conici acutissimi, iuferiores demum fructiferi, cystocarpiis 

 hemispherice infra ramuli basiu prominulis. Color fere castaneo- 

 purpureus. Substautia cartilaginea subcarnosa, firma. Forsau huc 

 pcrtiuet Acanthococcus Gracilaria Sond. Cfr. intcr species inqui- 

 rendas ad calcem p^cneris. 



