552 IV. Lichenes, 2. discocymatii. 



merici initiis periblasteticis primitus in pseudolhamnia a 

 basi inde parcc ramosa teretia fusco- vircntia tencrrima 

 brevissima obtusa deliqucscentibus crustamque tenuiter 

 contextam mentientibus , cymatiis exiguis, primum he- 

 misphaericis turgidis dcin scutellaribus- planis fusco-ru- 

 bris cinctura tornata volvata redimitis s. veluti excep- 

 tis. — Collcma terctiusculum Floerk. in lit. ad spccim. 

 raissa. 



Ad saxa arenaria rubra Thuring. , in consortio P. 

 cheileae, cujus ibrmam pseudothamnodem constituit, a 

 Patellaria subtiJi p. 437. cautius distinguendam. 



1027. P. v clutina W. , blastematis homoeomerici 

 luitiis periblasteticis primitus in pseudo - thamnia a basi 

 inde dichotomo ramosa flexuoso-tortuosa tenei-rima tere- 

 tia (sicca) atrovirentia, ex mesogonidiis emersis tenuiter 

 fuliginosa abeuutibus crustamque deusius laxiusve inter- 

 textam ramulosam mentientibus, cymatiis microscopicis 

 primum tuberculosis dein coucaviusculis concoloribus 

 sessilibus. 



m. pannosa, thamniis tenerrimis parce-ramosis arcte 

 implexis brevibus pulviuos subrotundos saepe distinctos 

 mcntientibus. — Scytonetha byssoidcs Agardh syst. 39. 

 pr. pr. Collema pannosum Ach. licli. 600., syn. 329. C. 

 nigrum Iloffm. gcrm. 103. pr. pr. Confcrva pannosa 

 7f r eb. ct M. Rcise 105. Parmclia pannosa Ach. mcth. 

 243. Lepra villosa Schrank. Lichcn villosus Gmcl. 

 syst. L. vclutinus Ach. prodr. Wahlcnb. succ. 11. 835. 

 Byssus nigra Poll. pal. 111. 278. lloth gcrm. III. 57$. 

 — ?DilChist. t. l.f. 18. 



(2. pubcscens , thamniis tenerrimis productioribus in 

 ramulos acutos capillarcs dicholomos torulosos exeunti- 

 bus nonnisi proliferis decumbcntibus laxe intertextis. — 

 Ephcbc pubcsccns Frics schd. cr. n. 211. Stigoncma 

 pubcsccns Agardh syst. 42. Scytoncma atrovircns Ag. 

 olim ct pr. pr. cf. ff r allr. Ndt. 1. 722. Pangia atro- 

 ■circns Lyngb. hydroph. 85. fornicularia intricata DC. 

 £all. 331. C pubcsccns Ach. lich. 010. cxcl. synon,, syn. 



