458 



letra - — polystromaticis, aequalibus icl inaeqiialibiis, coiupo- 

 sitnm. 



Thalamia exacte definite, disci formia, indnsio tenerrinxo 

 fiigacissim© priraitus tecta, in utraque ihalli pagina raordi- 

 nale sparsa, ex aseis simpllcibas, pyriforraibus, basi angu* 

 statis, monosporis, paraphysibus simplieibus davatis articu- 

 laiis erectis (periphericis sensim brevioribus) dense immixtis, 

 composite. ~ Goncphyses nnllae. 



Oedogauia in diversis individuis (nee in tbalamiiferis) oh- 

 Yenieutia s soKlaria vel irregulariter approximata, in ntraqne 

 Ihalli pagina sparsa, 



%«• Zonaria J, Agardh (in Linnaea XV* 1841. Sty- 

 popodium et Phycopterh Kutz. (PhycoL gener. 1843). 



Ob$. Clar, Zanardini (Sagg. di classif. natur. delle Fie. 

 p. 10) Sporochneis Pkacochordam et Laminarieis Chorda** 

 et Dwtyoptertdem amandans , Zonariearum tribnm {Zona- 

 ria h Agardh; Agtaomnia Z&n&ri.) eb thalamia indasio nun- 

 quam tecta a Dictt/oteis veris (Padina , Dictyota) sejunxit* 

 Character hie differentially tamen falsissimua certo est, cam 

 thalamia indnsio tenerrimo fugacissimo primitns tecta evident 

 ter sint tarn in Orthosoris quam in Aglaozonia. Celeber- 

 rimus KiUzing antem nova sua genera Sty popodium etPhy- 

 copter id em proponens, Stypopodiii individua Orthosoro- 

 rum nostroram oedogouiifera ( „sperraatia ad ulramque pag^ 

 nam dispersa, non indusiata") et Phycopteridi iodividna tba- 

 laraitfera ( w 8permatia in soros pulvinatos, indnsio tenerriifto 

 teclos, aggregata") adscripsit. 



Subgenus I. Euorthosoru*. * 



Char. Stratum meditllare * cellulis aeqnalibus wawbfl 8 * 

 in tineas rectas tarn longitudinals qnam transversal" ordi* 



