VERRUCARIACEAE 41 



i. Spores 2-many-septate 



Thelopsis 67 

 n. Perithecia with stiff fascicled hairs 



Stereochlamys 68 

 (y) Paraphyses lacking, or branched and united 

 m. Ostiole round or dot-like 

 (m) Spores hyaline 



r. Spores i-septate *Pyrenyllium 64 



s. Spores 2-many-septate 

 (r) Spores oval to oblong 



Arthropyrenia 64 

 (incl. Pseudopyrenula 65) 

 (s) Spores acicular to filiform 



Leptorhaphis 65 

 t. Spores muriform Polyblastiopsis 65 



(n) Spores brown 

 r. Spores 1 -septate Microthelia 62 



s. Spores 2-several-septate *Polythelis 64 

 n. Ostiole radiate, torn or lobed 



Asteroporum 62 



y. Perithecia oblique or horizontal with oblique or lateral ostiole 



Subfamily Paratheliae 71 

 (x) Spores transeptate 

 m. Spores hyaline 



(m) Spores i-septate *Ditremis 71 



(n) Spores several-septate, oblong 



Pleurotrema 71 



(incl. Plagiotrema 72) 

 (o) Spores filiform, many-celled 



*Trichotrema 71 

 n. Spores brown Parathelium 72 



(y) Spores muriform 

 m. Spores hyaline Campylothelium 73 



n. Spores brown Pleurothelium 72 



(d) Algae Phyllactidium or Cephaleurus 



Subfamily Strigulae 74 

 x. Perithecia smooth 



(x) Paraphyses simple, free 

 m. Spores transeptate 

 (m) Spores i-septate *Phylloporis 75 



(n) Spores several-septate 



r. Thallus uniform Phylloporina 75 



s. Thallus orbicular, lobed at edge 



Strigula 76 

 n. Spores muriform Phyllobathelium 75 



(y) Paraphyses branched and united 

 m. Spores i-celled, dark Haplopyrenula 74 



n. Spores 2-4-celled, brown Microtheliopsis 75 



