Eu-Floridese, Ceramieae, Ceramium. 1443 



CERAMIUM Wiggers [1780] Prodr. Fl. Holsat. p. 91, quoad auctoris 

 nominis prioritatem Ag. [1817] Syn. Alg. Scand. p. XXVVI et 

 00 partim, Lyngb. [1819] Hydr. Dan. p. 117 (Etym. ceramion 

 urceolus, aut ceras cornu, propter apices furcatos frondis), Ag. Sp. 

 Alg. II, p. 138 (excl. sp.), Kuetz. Ueber Cerauiium (1841), Phyc. 

 gener. p. 381, t. 47, Sp. p. 685, J. Ag. Sp. II, p. 1 13, Epicr. p. 91, 

 Anal. algol. cont. II, p. I et seq. (amplse observationes de stru- 

 ctura frondis, de cystocarpiis et tetrasporangiis et dispositione spe- 

 cierum), Cramer Phys. und. Syst. Unters. ub. Ceram. (1863), Foslie 

 New Forms of Ceramium (1893), R. W. Phillips On Develop. of 

 Cystoc. in Rhodymeniales (Ann. of Botany XI, 1897, n. XLIII), 

 Ardiss. Phyc. Medit. I, pag. 96, Hauck Meeresalgen pag. 102, 

 Engl. & Prantl Natiirl. Pfianzenfam. (1897) p. 501, Echinoceras 

 Kuetz. [1841] in Linnsea XV, p. 731, [1843] Phyc. gener. p. 380, 

 Sp. (1849) p. 680, Hormoceras Kuetz. [1841 ] in Linnaea XV, p. 730, 

 [1843] Phyc. gener. p. 378, Sp. (1849) p. 674, Gongroceras Kuetz. 

 [1841] in Linntea XV, p. 730, [1843] Phyc. gener. p. 380, Sp. 

 (1849) p. 677, Acanthoceras Kuetz. [1841] in Linnaea XV, p. 731, 

 [1843] Phyc. gener. p. 391, Sp. (1849) p. 684, Celeceras Kuetz. 

 [1849] Sp. p. 683, Trichoceras Kuetz. [1849] Sp. p. 680, Ptero- 

 ceras Kuetz. [1849] Sp. p. 690, Chcetoceras Kuetz. [1817] in Bot. 

 Zeit. 1847, p. 34 (non Clmtoceras Kuetz. 1849 nec Chastoceros 

 Ehr. 1844), Centroceras Kuetz. [1841] in Lininea XV, pag. 741, 

 Phyc. gener. (1843) p. 381, Sp. p. 688, J. Ag. Sp. II, p. 147, Epicr. 

 p. 107, Boryna Grateloup [1822] in op. manuscr., Bory Dict. class. 

 (1822), Bonnem. Hydr. Locul. p. 52, Dictyderma Bonnem. [1822] 

 in Journ. Phys. XCIV, p. 185, Confercw, Spyridice, Fuci, Gail- 

 lona3 sp. auct. — Frons erecta, filiformis, dichotoma aut pin- 

 natim ramosa, articulata, monosiphonia, ad genicula strato cellu- 

 larum definito aut decurrente et interstitia obducente corticata, 

 cellulis geniculorum nullo ordine dispositis. Cystocarpia ad ramulos 

 sessilia, ramellis conformibus pluribus subregularitor involucrata, 

 intra sacculuiu hyalinum carposporas plurimas angulatas foventia. 

 Tetrasporangia morphosi cellularum corticalium formata, plus minus 

 extra stratum corticale prominentia, spfuerica, triangule divisa. An- 

 theridia ad superficiem ramulorum stratiformi-extensa, cellulis nii- 

 nutissimis hyalinis constituta. 



Obs. Genus antiquuin, jara anno 1780 a cl. Wiggers quoad 

 noinen institutum, sed sec. hunc auctorem specics inaximo abluden- 

 tes includens, ergo parum rite intellectum, postea a Roth (Catal. I 



