Eu-Floridese, Dasyese, Dasya. 1183 



DASYA Ag. [1824] Syst. p. XXXI V, Sp. II (1828) p. 116 (Etym. 

 dasys hirsutus), Kuetz. Sp. (1849) p. 795, J. Ag. Sp. II, 3 p. 1172, 

 partim, Till Alg. Syst. XI, p. 75, Ardiss. Phyc. Medit. I, p. 425, 

 Schmitz et Falkenb. in Engl. & Prantl Naturl. Pfianzenfam. (1897) 

 p. 474. Falkenb. Rhodomelaceen (1901) p. 615, Barton B. W. On 

 the orig. and devel. of Stich. in Dasya elegans (Johns Hopk. 

 Univ., Biol. Labor., vol. Y, n. 4. p. 279, c. ic, Baltimore 1893), 

 ftischawi Ueb. Entw. Stichid. u. Antlier. bei Dasya (1878), Tobler 

 in Ber. der deut. bot. Gesellscb. 1902, Gaillona Bonnem. [1828] 

 in Mem. Mus. XVI, p 113. Gaill. Dict. v. 53, p. 395, Grateloupia 

 nonnein. [1822] in Journ. Phys. XCIV, p. 189 (non Grateloupiu 

 Ag. 1822), Rhodonema Mart. [1827] Reise n. Ven. t. 8, SticJio- 

 carpus Ag. [1827] in Flora 1827, p. 636, Asperocaulon Grev. [182 1 

 Edin. p. 309?, Pachydasya J. Ag. [1890] Till Alg. Syst. XI, ad basin 

 tahulse III. — Frons erecta, radiatim constructa, filiformis, quoquo- 

 versum ramosa. polysiphonia, cellulis nempe 5 (rarissime 4} circa 

 centralem in orbem dispositis asquelongis contexta, siphonibus nudis 

 articulata aut cortice celluloso obductis continua, apice aut deorsum 

 longius ramulosa, ramulis coloratis apice aut per totam longitu- 

 dinem monosiphoniis. Cystocarpia ovato-globosa aut ampullaeformia, 

 in ramo minore obliqua et saepe calcarata, intra pericarpium cel- 

 lulosum carpostomio apertum carposporas piriformes in articulo 

 terminali (nonnunquam etiam in articulis contiguis) fllorum a pla- 

 centa radiantium foventia. Stichidia siliquaeformia, ramo monosi- 

 phonio fulta, intra articulos tetrasporangia numerosa verticillata 

 (soepius 5 in quoque segmento) triangule divisa foventia. Antheridia 

 lancoidea, conica, ad ramos pedicello monosiphonio insidentia. 



Obs. Ex J. Agardh Sp. 1. c. sequentes observationes, emendatis 

 emendantis, excerptre sunt. Frondes filiformes, simpliciusculae aut 

 iterum iterumque ramosae, per totam longitudinem ramulosae aut 

 inferne ramulis denudatse superne penicillatse, juniores aut parte 

 suprema juvenili articulatre, adultiores aut totse articulatae aut 

 plus minus corticatse, sa>pe cortice densiore continuaB. liami frondi 

 conformes, dichotomi aut pinnatim divisi, distichi aut quoquover- 

 suni exe^untos, apice aut deorsuni longius ramulosi . Ramuli 

 quoad dispositionem et structuram dissimiles ; nunc sunt ima 

 basi aut sursum longius polysiphonii, sensim in ramellos mo- 

 nosiphonios, simplices aut iterum iterumque dichotomos soluti, 

 distantiis subregularibus (ad geniculurn quodque, quodque secun- 

 dum, quodque quartum etc. iu speciebus articulatis) provenientes, 



