312 IV. Lichenes, 1. pjTcnocymatii. 



oblongo-cylindricis e membranula crassa intus ccllulosa 

 conflatis 2-8 ascis inclusis. (Porosthcle ct Porina Ach. 

 Porophora Spr. Pcrtusaria DC. Thelotrcma Ach. meth.) 



767. E. vcrrucosum JJ r . y blastemate crustaceo 

 membranaceo leioplaciuo detcrminato chlorogonimico ci- 

 nereo-virente dein verrucoso, verrucis nuuc in stauromata 

 deliquescentibus crustamque hinc iude s. undi(pie im- 

 mulantibus nunc fertilibus integris cum blastemate confor- 

 mibus pyrenophoris iisque strumoso- tuberculosis crustam 

 colliculusam informantibus , cymatiis ampullaeformibus 

 hyalinis verrucas infarcientibus illasque colio coarctato 

 saturatiore perforantibus, semetque verticeimpresso puu- 

 ctiformibus praenotantibus, peritheciis dilute-fuscis nucle- 

 um hyaliuum dein collapsum foventibus. — Endocarpon 

 vcrrucosum JJ r allr. ISat. I. 648. Porophora p&rtusa 

 Spr. syst. IV. 241. 



(formae jyyrcnophorae.) 



a. jyyrenophora, bl. crustaceo dcterminato transvcrsa- 

 liter expansojntcgcrrimo vcrrucis pyrenophoris colliculoso. 



«. pcrtusa, bl. verrucis polypyrenis vertice ostiolis 

 prominulis nigris punctatis confertis. — E. verrucosum 

 d. pyrenophora \V. I. I. Porosthele pertusa Ach. in lit. 

 Endocarpon pcrtusum JVahlcnb. lupp. 451)., suec. II. 

 873. Porina pertusa Ach. lich. 308., syn. 199. Pertusa- 

 ria communis DC. gall. II. 320. Schaer. spic. 64. The- 

 lotrema pertusum Ach. mcth. Sphucria melanostoma 

 Bemh. in Roem. Arch. IV. 10. t. 1. /. 1. Sph. pertusa 

 IVeig. obs. 46. t. 2. JVcb. spic. 282. L. pcrtusus L. 

 mant. I. 134. Hoffm. enum. 16. t. 3. /. 3. Hug. hist. 

 49. L. vcrrucosus Huds. — Dill. hist. t. 18. /. 9. 

 MicJi. t. 56. /. 2. 



/?. segrcgata, bl. transversaliter -longitudinaliterque 

 ejpanso tenuiter membranaceo, verrucis fertilibus e basi 

 lougitudinaliier protracta leuiter convexis oligopyrenis. 

 — End. vcrruc. ,-i. oligopyrcna JVaUr. I. 1. Porina lcio- 

 placa Floerk. D. Lich. n. II. Pcrtusaria lciop!aca]Schacr. 

 spic. 66. Porinu obturuta Frics. Thehtrema segrega- 

 tum ct haploum Floerk. in lit. 



