VERRUCARIACEAE— HYPOCREACEAE 



y. Perithecia with fascicled nearly horizontal hairs at apex 



Trichothelium 75 

 Thallus foliose or scaly Subfamily Dermatocarpae 58 



(i) Algae Palmella 



(a) Hyraenial algae lacking 



X. Paraphyses lacking, or fused into a mass 



(x) Paraphyses lacking; thallus without cortex 



Normandina 59 

 (y) Paraphyses fused ; thallus corticate 

 m. Spores i-celled, colorless Dermatocarpum 60 

 n. Spores septate 



(m) Spores colorless 

 (n) Spores brown 

 y. Paraphyses persistent 

 (x) Spores I -celled, brown 

 (y) Spores muriform, colorless 



(b) Hymenial algae present 

 (2) Algae Chroolepus ; spores colorless, 



Placidiopsis 60 

 Heterocarpum 60 



Anapyrenium 59 

 Psoroglaena 59 

 Endocarpum 61 

 i-celled 

 Lepolichen 69 

 Mastodia 241 



(3) Algae Prasiola 

 c. Thallus f ruticose, branched, with Pleurococcus ; spores muriform, brown 



Pyrenothamnia 61 

 II. Perithecia in a stroma (Cfr. Pertusariae, page 79.) 

 I. Perithecia upright, with individual pores 



Subfamily Trypetheliae 69 



a. Spores colorless 



(i) Spores transeptate 



(a) Spores oval to fusiform 



(b) Spores filiform 

 (2) Spores muriform 



b. Spores brown 



(1) Spores transeptate 



(2) Spores muriform 



Trypethelium 70 

 Tomasiella 69 

 Laurera 71 



Melanotheca 70 

 Bottaria 71 



2. Perithecia oblique or horizontal, with a common canal or pore 



Subfamily Astrotheliae 72 

 a. Spores transeptate 

 (i) Spores colorless 



ill. 



(2) Spores brown 

 b. Spores muriform 



(1) Spores colorless 



(2) Spores brown 



Perithecia sunken in stroma-like warts; 

 spored ; spores i-celled, clear 



Astrothelium 73 



(incl. Lithothelium 73) 

 Pyrenastrum 73 



Heufleria 74 

 Parmenteria 74 



horizontal thallus lacking; asci many- 

 Thelocarpum 150 



Family 20. HYPOCREACEAE 



2: 447. 9: 941. 11: 354. 14: 621, 16: 559, 17: ^^^. 



Mycelium scanty and immersed or producing a subicle or a stroma; perithecia 



