152 TABULAR ARRANGEMENT 



266. Eeccptacle clavate, confluent with the stem. 



Ilymenium surrounding the head. 



Geoglossum, Pers 



267. Crustaceous, effused ; then bullate or inflated, 



supported on rootlets. Riiizina, Fr. 



2G8. Receptacle cop-shaped, soon opening. Disc 

 naked. Asci fixed. Peziza, Link. 



Series 1. — Aleuria, fleshy ; cup always open. 



Sub-Gen. Discina. 

 Geopyxis. 



Sub-Gen. Humaria. 

 Enceelia. 



Series 2. — LacJiuea, waxy ; cups hairy, 



Sub-Gen. Sarcoscyplia. 

 Dasyscypha. 



Sub-Gen. Tapesia. 

 Fibrina. 



Series 3. — Phialca, waxy, or membranaceous; 

 cups smooth. 



Sub-Gen. Hymenoscypha. I Sub-Gen. Patellea. 

 Mollisia. I 



269. Receptacle discoid, always open, convex or 



concave, naked. Helotium, Fr. 



270. Receptacle indeterminate, immarginate. Hyme- 



nium always exposed. Psilopezia, Berk. 



271. Receptacle patellacform, margined, always open. 



Ilymenium dusty with sporidia. Asei fixed. 



Patella kia, Fr. 



272. Receptacle almost horny, naked, with a narrow 



mouth. Disc at length dusty with sporidia. 



Sphinctbina, Fr. 



273. Disc waxy, persistent, covered with a deciduous 



excipulum. Mouth contracted. 



Laquearia, Fr. 



