4«2 



Oedogonia ignota. 



Syn. Padinella Aresch. (in Linn. XVII.) StiffttoWuio 

 (in his 1834). Zanardinia Nardo (in Atti deila II. Riun. 



dcgli Sciens. Ital.). 



0A#. Thalamia ^g/. collarU ignota ; banc mhilosecins 

 ^rfjfl. parvulae congenerem esse ioterea crediderim. Stru- 

 etnram thalli quod atttuet, j4gl. collaris a specie typica dif- 

 fer* cellnlis medallaribns aeqnalibrts omnibus (nee inaecpiali- 

 b*s, mierioxibns amptforibns). 



1. Aglaozonf a parvula Zanard. 



Padinella parvula Aresch. Zonaria parvula Grevill 

 (Scott, cryptog. Flor. U 360,) Padina parvula Grevill. 

 (Alg. britani]. p. 63.) Spatoglossum parvulum Kutz. 



Hah, Ad oras AngHae, Bahusiae et Dalmatiae. 

 2* Agla©z*ml» collaris. * 



Stiff tia prototypus Nardo (in Isis 1834. p. 677). 5/. 

 ^ferd* Zanard. Zanardinia collar** Menegh. 5?. prototy- 

 p»« Nardo (Atti delta II. Rinn. degli Scienz. Ital. p. 189). 

 Zonaria collaris Agardh, Z* $quamari* var. umbilical** 

 Naecar. (Flor, Tenet. YF. p. 93). Z. squamaria y*f. lace- 

 rata Naecar. (Algol. Adriat. p. 81.) Padina collaris Gre- 

 vill, P, omphalodes Montagn. Cutler ia collar is Trevia. 

 (Synops. gener. Algar.) 



Hob. Mare AntHlarnm, mediterranean^ adriaticam. 



Gen. XIX, Zonaria Draparn., Agardh (Synops. Algar. 



Scanain. p,XX. 1817). 

 Char. Thallns laminaris erectos sobsessilis, flabeUifor- 

 mis, cucnJlato-coavolatns, apice circulate - revolutns , ecosta- 

 tos, solidus, contimms, membranaceo-coriacens, ad interie- 

 rem tantnm paginam corticatns. Fulcram radicale discoid** 01 * 

 lato- expansnm, fibris articulatis raraosis stopeis dense vest** 



