METHODO ARTIFICIALI. XXXI 



ceraceo-membranaceum , coloratum, apice papillula vel poro 

 instructum, thalamium gelatinosum servans. Thallus cTusta- 

 ceus. (Tab. VIII. t. 1. p. 207.) 



26. PyrenuIaAch. Apothecium : excipulum duplex; 

 exterius e tuberculo thallodeo formatum ; interius corneo- 

 carbonaceum , apice papillula vel poro instruclum , thala- 

 mium gelatinosum servans. Thallus crustaceus, tuberculosus. 

 (Tab. VIII. f. 2. p. 208.) 



27. Verrucaria Wigg. Apothecium : excipulum 

 simplex , corneo-carbonaceum , apice papillula vel poro 

 instructum , thalamium gelatinosum servans. Thallus crusta- 

 ceus, aequabilis. (Tab. VIII. f. 3. p. 213). 



28. Thrombium Wallr. Apothecium: excipulum 

 simplex , corneo-carbonaceum , apice papillula vel poro 

 instructumj thalamium gelatinosum projiciens, tandem colla- 

 bens patellulamque saepe corrugatam mentiens. Thallus 

 crustaceus. (Tab. VIII. f. 4. p. 222). 



29. Limboria Ach. Apothecium: excipulum simplex, 

 corDeo-carbonaceum , primo clausum , dein apice stellatim 

 dehiscens : thalamium gelatinosum (?) servans. Thallus 

 crustaceus (p. 225). 



ORDO II. ENDOCARPEI. 

 A. Thallus crustaceus. 



30. Thelotrema Ach. Apothecium : excipulum 

 duplex ; exterius e verruca thallodea , compacta formatum , 

 apice dehiscens; interius proprium, membranaceum, lacero- 

 dehiscens ; apice connivens, basi sua thalamium discoideum , 

 subgelatinosum amplectens. (Tab. VIII. f. 5. p. 225). 



31. Chiodecton Ach. Apothecium : excipulum 

 simplex , e verruca subthallodea , pulverulenta formatum , 

 thalamium carbonaceum , ad basin integrum, supra quasi 

 reticulo dividens leviterque obducens , indeque a prolu- 

 berantibus thalamii ostiolis atro-punctatum. (Tab. VIII. f. 6. 

 p. 226.) 



