122 



The North American Cup-Fungi 



occurring on humus often among mosses, or more rarely on the 

 stems and leaves of the higher plants; asci clavate, 4-8-spored; 

 spores 1-2-seriate, ellipsoid to fusoid or fusiform, smooth or 

 becoming sculptured, hyaline; paraphyses slender or stout, 

 usually containing a granular coloring matter. 



Type species, Octospora leucoloma Hedw. 



It is difftcult to separate this from the preceding genus on 

 morphological characters, while it is doubtful if they should be 

 separated on any other. However, as the coprophilous forms 

 have usually been segregated, in this case, we follow precedent 

 and leave the reader to satisfy himself in the matter. 



Apothecia light-colored, white, yellow, red, lilac, or 

 violaceous. 

 Spores ellipsoid, usually not more than twice as 

 long as broad. 

 Growing on the living stems of mosses and 

 liverworts. 

 Occurring in the axils of the leaves of 



mosses. 

 Occurring on the thallus of Marchantia. 

 Growing on soil and on decaying plant remains. 

 Apothecia white or dirty-whitish. 

 Apothecia rounded or discoid. 

 Apothecia hysteriform, partially closed. 

 Apothecia orange, yellow, or lilac. 



Occurring on old paper, cloth, twine, 



etc. 

 Occurring on soil, usually among mosses. 

 Apothecia minute, rarely exceeding 

 1 mm. in diameter. 

 Spores becoming rough. 

 Spores remaining permanently 

 smooth. 

 Apothecia orange. 

 Spores 6-7 X 12 /u. 

 Spores 10-12 X 16-18 m- 

 Spores 12-14 X 20-25 m- 

 Apothecia with a lilac tinge. 

 Apothecia medium-sized, 2-10 mm. 

 in diameter. 

 Spores broad-ellipsoid, usually 

 containing one large oil- 

 drop or none. 

 Apothecia bright-orange or 

 red. 

 Apothecia entirely sessile. 



1. H. axillaris. 



2. H. ithacaensis. 



3. H. pal lens. 



4. H. clausa. 



5. H. testacea. 



6. H. orthotricha. 



7. H. phycophila. 



8. H. ruhens. 



9. H. convexula. 

 10. H. lilacina. 



\\. H. leucoloma. 



