Patella 



157 



Cheilymenia Bond. Bull. Soc. Myc. Fr. 1: 105. 1885. 

 Tricharia Bond. Bull. Soc. Myc. Fr. 1: 104. 1885. 

 Trichophaea Boud. Bull. Soc. Myc. Fr. 1: 105. 1885. 

 Neottiella Sacc. Syll. Fung. 8: 190. 1889. 

 Scutellinia Kuntze, Rev. Gen. PI. 2: 868. 1891. 

 Hiimariella Schrot. Krypt.-Fl. Schles. 3^: 36. 1893. 

 Pelodiscus Clements, Bot. Surv. Nebr. 5:7. 1901. 

 Neottiopezis Clements, Bull. Torrey Club 30: 89. 1903. 



Apothecia sessile, scattered, gregarious or congested, super- 

 ficial, at least when fully matured, scutellate to discoid, more 

 rarely concave-hemispheric, externally setose; hymenium red, 

 yellow to brown, or white, concave or plane; hairs septate, 

 hyaline or colored, flexuous or more often rigid; asci variable, 

 usually 8-spored; spores ellipsoid to fusoid, smooth or rough, 

 hyaline or subhyaline; paraphyses filiform or more commonly 

 strongly clavate. 



Type species, Elvela ciliata Schaeff. 



Hymenium red, yellow, or brown, never white. 



Occurring on soil, rotten wood or decaying plant 

 materials. 

 Hairs simple (not forked or branched). 

 Hairs well developed, bristly. 



Spores becoming distinctly sculptured. 

 Apothecia clothed with brown hairs. 

 Spores for a long time smooth, be- 

 coming only minutely rough. 

 Spores 12-15 X 20-24 ;u. 1. P. sciiteUata. 



Spores 16-18 X 30 M- 2. P. piliseta. 



Spores becoming strongly rough- 

 ened. 

 Apothecia medium large, 5 mm. 

 or more in diameter. 

 Plants tropical ; spores about 



20 fj. long. 

 Plants temperate ; spores 23 fj. 

 or more long. 

 Occurring on soil among 

 mosses; spores 12-14 

 X 23-24 M. 

 Occurring on rotten 

 wood; spores 14-16 

 X 22-26 M. 

 Apothecia small, 1-2 mm. in 



diameter. 6. P. miniafa. 



Apothecia clothed with hyaline hairs. 7. P. albocinrta. 

 Spores remaining permanently smooth or 

 indistinctly and minutely sculp- 

 tured. 



3. P. ciibensis. 



4. P. iiDihronim. 



5. P. Lusatiae. 



