16 BULLETIN DE L'HERBIER BOISSIER: 



Tribus XXXIX. — Pyrenule^e. 



Thallus amorpho-crustaceus ; gonidia depauperato- v. varie 

 chroolepoidea, progemmatione ramificantia. 



SüBTRIBUS I. — VeRRUCARIEJE. 



Apothecia in thallo sparsa. 



102. Verrucaria, sporae simplices, hyalinae ; paraphyses rudimentariae. 



103. Arthopyrenia , sporne (pro parte progemmatione) transversim 



divisae, hyalinae ; paraphyses connexae. 



104. Porina, sporae transversim intercalatim (ut in Patellariis) divisae, 



hyalinae; paraphyses libéras; gonidia discreta. 



105. Phylloporina, sporae transversim divisae, hyalinae; paraphyses 



libéras; gonidia in membranam phyllactidialem connata. 



106. Clathroporina, sporas parenchymaticae, hyalinae; paraphyses libé- 



ras (apothecia colorata). 



107. Polyblastia, sporae parenchymaticae, hyalinae; paraphyses connexae 



(apothecia nigra). 



108. Microthelia, sporae simpliciter transversim divisae, fuscae. 



109. Pyrenuia, sporae transversim lentiformi-divisae, fuscae. 



110. Anthracothecium, sporae parenchymaticae, fuscae; gonidia hyme- 



nialia nulla. 



111. Sphseromphale, sporae parenchymaticae, fuscae ; gonidia hymenialia 



evoluta. 



SüBTRIBUS II. — ÏRYPETHELIEiE. 



Apothecia in stromatibus sita, recta et erecta, in ostiola dis- 

 tineta abeuntia, 



112. Trypethelium, sporae transversim divisae, hyalinae; loculi lenticu- 



lares. 



113. Bathelium, sporae parenchymaticae, hyalinae. 



114. Melanotheca, sporae transversim divisae, fuscae; loculi lentiformes. 



SüBTRIBUS III. — ASTROTHEUE.E. 



Apothecia in stromatibus sita, obliqua, apice in ostiolum sub- 

 unicum abeuntia. 



115. Parmentaria, sporae parenchymaticae, fuscae. 



