Pha30zoosporin£e, Phseothamniaceffi. 589 



pag. 233-234 est mera plumula avis cujusdam Beggiatoa' filis 

 obsossa. 



12. Thorea villosa Bory in Dict. class. d'liist. nat. XVI (1830), p. 234 

 videtur eadoui spocies ac Arthrocladia villosa (Huds.) Duby. 



13. Thorea americana var. natalensis Kuotz. Sp. p. 534 cst specics 

 Cliordariaccarum. 



14. Thorea chilensis Mont. iu Ann. Sc. Nat., Bot. ser. III, T. 18 

 (1852), p. 314, Fl. Chil. VIII, p. 270, t. 15, f. 2 est species Chor- 

 dariacearum, forsan Myriocladicu. 



15. Thorea Tralli Diclvie Notes on AlgiDe from the Amazons and its 

 Tributaries in Journ. Linn. Soc, Bot., XVIII (1880), p. 123 est 

 species Batrachospermi. 



Pro studii facilitate ad calcem Thorecu species generis peculiaris 

 et forsan collectitii etsi, mea sententia verlsimiliter Lemaneaceis 

 adscribendum sit, Compsopogonis Mont. (1846) cujus locum in sy- 

 stemate Algarum dubium manet, enumero: Compsopogon coeruleus 

 Mont. FI. d'AIger. p. 154. — Compsopogon Hookerii Mont. Fl. d'AI- 

 ger. p. 156. — Compsopogon chalyheus Kuetz. Sp. p. 433 Cfr. Moeb. 

 in Hodwigia 1888, Heft 9-10!. — Compsopogon cvruginosus Kuetz. Sp. 

 p. 433. — Compsopogon Corinaldii Kuetz. Tab. Phyc. VII, t. 88, 

 f. I. — Compsopogon suhsimplex Mont. in Ann. Sc. Nat., Bot., 1850, 

 p. 299. — Compsopogon leptoclados Mont. I. c. p. 298. — Compso- 

 pogon fuscatus Zanard. Phyc. indic. n. 40, t. VIII, B. — Compsopo- 

 gon sp. plur. Mont. Syll. crypt. 



Familia XXV. PHyEOTHAMNIACE^ Lagerh. ') 



Phoeotliamnlaceae Lagerh. [1884] Ueb. Pha'oth. p. II, Hansg. Prodr. I, p. 31, 

 Dc Toni Syst. Uebers. Fucoid. 1891, p. 182. 



Thallus pluricellularis, ca?spitosus, ramosus, adfixus; cellula? ve- 

 getativie eciliatas, chromatophoris parietalibus, laminaribus, brunneis 

 aut olivaceis (pyrenoide amyloque carentibus) prjieditae. Propagatio 

 (asexualis) zoogonidiis (zoosporis) biciliatis, in cellula matri ceteris 



') Familia haec videtur quoad locum systematicura dubia. Glarus Lagerheim 

 zoosporas descripsit ciliis instructas JBquilongis autice insertis et genus ad Chlo- 

 rophyceas duxit; egregius phycologus siculus Borzi eidem ciliis zoosporas inse- 

 quilongis lateraliter insertis tribuit et Phceothamnion inter Phseophyceas r^f 

 censuit. 



