Eu-Floridese, Polysiphoniese, Tolypiocladia. 963 



1. Digenea simplex (Wulf.) kg. Sp. I, p. 389, Syst. pag. 194, Suhr 1621 

 Beitr. in Regensb. Fl. 1836, 1, p. 31, tab. IV, J. Ag. Alg. med. 

 p. 147, Sp. II, 3, p. 845, Harv. Nereis Bor. Aiuer. p. 30, t. XIII, 

 D, Zanard. Syn. p. 58, Pl. mar. rubr. p. 50, Haufe IJeitr. Anat. 

 Morph. Florid. (1879) p. 12 c. tab., Ardiss. Phyc. Medit. I, p. 356, 

 Hauck Meeresalgen p. 215, f. 93, Falkenb. Rhodomel. p. 159 (ainpla 

 dissertatio de structura et evolutioik' trondis), t. 9, f. 25-29, Oka- 

 mura Illustr. Alg. Jap. tab. 9, Con/erva simplex Wulf. Crypt. 

 aquat. p. 17, n. 16, Roth Cat. III, pag. 275, Digenea Wulfeni 

 Kuetz. Phyc. gen. p. 433, tab. 50, II, Sp. p. 841, Tab. Phyc. XV, 

 t. 28, f. a-e, Ceramium Digeuea Delle Chiaje Hydrophyt. Neap. 

 tab. XXXI, Fucus Lycopodium Turn. Hist. Fucor. tab. 199, Cla- 

 dostephus Lycopodium Ag. Sp. Alg. II, p. 14, J. Ag. Sp. I, p. 42, 

 Harv. Alg. Telfair. n. 22, Digenea Lycopodium Hering in Un. 

 Itin. coll. Schimp. n. 931, Digenea Vieillardi Kuetz. Tab. Pbyc. 

 XV, t. 28, f. f-l. — Characteres generis. 



Hab. in oceano Atiantico calidiore ad insulas Indise occiden- 

 talis et Americam septentrionalem; in mari Mediterraneo et Adria- 

 tico; in oceano Indico ad insulas Mascarenas et in mari Rubro; 

 in oceano Pacifico ad oras Novae Caledoniae (Vieillard) et Austra- 

 liae; ad littora Japonias (Oka.mura., De Toni). — Frondes a radice 

 crustacea surgunt csespitosge, plerumque 5-25 cm. et ultra longae, 

 caule inferne denudato, pennae columbinae et usque 5 mm. crassi- 

 tiem metientes, superne nodoso- aut continue-densissime crinito, ra- 

 mulis rigidis, capillo crassioribus et nunc fere setam aequantibus, 

 in sterili longioribus 5-15 millim. et forsan ultra longis aequali- 

 bus truncatis, in fertili abbreviatis acuminatis, apicibus tetraspo- 

 rangiferis mollioribus, in alga exsiccata facilius deflexis. Antheri- 

 dia ovalia, plana, in ramulis acrogena. Color frondis inter lateri- 

 tium et obscure purpureum varians, nunc in lividum tendens aut 

 expositione albescens. Substantia cartilaginea, rigida. 



TOLYPIOCLADIA Schmitz [1897] in Engl. & Prantl Natiirl. Pflanzen- 

 fam. p. 441 (Etym. tolype glomerulus et clados ramus), Falkenb. 

 Rhodomelaceen (1901) p. 176, Roschera Sond. [1879] in Asch<M-soii 

 Botan. v. Ost-Afrika (Decken Reisen III, 3, pag. 79), non Ro- 

 scheria; cfr. Schmitz Mar. Florid. von Deutsch-Ost-Afrika p. 160, 

 Polysiphonice, Hutchinsia ? , Sphacelario3 sp. auct. Polysiphonia 

 sectio Hystrices J. Ag. Sp. II, 3, p. 1016 partim. — Frons erecta, 

 teres, lateraliter ramosa. Axis polysiphonius in unoquoque articulo 



