425 



Gen. IL ^oranthera Pastels et Ruppr* 



CAm\ Thflllus laminar is subsessilis, simplex, planus, 

 solidus, continmis, tenuissime membranaceus. Fulcrmn radi- 

 eale discoidenm, minutissimum , midmrn Tnchephyses nnllae. 



— Struct lira eellnlosa, arcta. Stratum corticate null nm. Stra- 

 tum medullare e cellulis aequalibus angulatis phaenococcodeis 

 monostromatieis? compositum. 



• Thalamia exacte definifa, soriibrmia, hemisphaerica, nn- 

 da, per omnem thallum iuordinate sparsa, ex ascis simplici- 

 bns, pyriformibus s basi angustatis, monosporis, paraphysibns 

 simplicilms clayatis articnlatis radiantibas dense concomitatis 

 composite. — Gonophyses nnllae. 



Oedogonta ignota. 



Obs* Licet genns mihi (antnm ao<nm SiVe description e* 

 quant dedernnl clarissimi Postels et Rnpprecht, praecedenfi 

 sine dubio summopere affine, nee satis forsan ab eo distin- 

 rtiim, ridetur, ex anctoritate eornndem „strnctura Utvae et 

 friictifica(j<me Punctariac" insigne. A Diplostromio itaque 

 tlialamiis exacte definitis soriformibus hemisphaericis ascisqne 

 pyriforinibus basi angustatis radiantibos densis unice quasi 

 differre vide tar. 



1. Soranthera ulToMea Postels et Rnppr. 



Hah. Oceanus pacificus borealis ad Sitkam. 



Gen. ill. Ptmctaria Grcvfll. 



Char* Thallns lamiaaris stipitatus, simplex, planus, so- 

 lidos, continues, membranaceas, Fnlcrum radicale discoi- 

 denm, minotam, nudum. Trichophyses rarissimae. — • Stru- 

 rtnra cellulosa, arcta. Stratum eortieale e cellulis ninutis 

 siibparaUelipipedig piiaeiiococcodeis conflaium. Stratum me- 

 dnllare fc cellulis , amplis angalato - rottmdatis ifianibas mono- 



— oligostromaticis compositum. 



