72 



iVEycologta 



Stromata orange, purple or rose-colored. 



Some shade of orange, occasionally purple with age. 

 Entirely covering and transforming the hy- 

 menium of Lactariae ; perithecia entirely 

 immersed. 



Forming interrupted patches on wood and fungi 

 of various kinds. 

 Stromata bright orange, fading with age ; 

 perithecia entirely immersed, occurring 

 on wood, decaying leaves, etc. 

 Stromata dull orange or rust-colored, cot- 

 tony ; perithecia subsuperficial, on fungi 

 of various kinds. 

 Stroma delicately rose-colored, on wood, etc. 

 Stromata bright lemon-yellow, amber or pallid. 

 Stroma bright lemon-yellow. 



Stroma yellow, cottony ; perithecia reddish, im- 

 mersed, on Boleti. 

 Stroma and perithecia both lemon-yellow ; 

 perithecia subsuperficial. 

 Stroma dull yellow or pallid. 



Spores comparatively small, not over 20 mic. 

 long. 



Spores unequally septate, rough. 

 Spores equally septate, smooth. 



On Coriolus versicolor ; perithecia 

 amber. 



On wood and fungi of various kinds ; 

 spores showing a tendency to 

 separate at the septum. 

 Spores large, 18—20 mic. long; 



stroma subpatellate. 

 Spores small, 10 mic. long; 

 stroma effused, papery. 

 Spores very large, 35 mic. long, rough. 



I. H. Lactifluorum. 



2. H. apiculatus. 



3. H. aurantius. 



4. H. rosellus. 



5. H. chrysospermus. 



6. H. aureo-nitens. 



7. H. hyalinus. 



8. H. polyporinus. 



9. H. citrine llus. 



10. H. papyraceus. 

 II H. macrosporus. 



I. Hypomyces Lactifluorum (Schw.) Tul. Ann. Sci. Nat. IV. 



13: II. i860 



Sphaeria Lactifluorum Schw. Schr. Nat. Ges. Leipzig i : 31. 

 1822. 



Hypomyces purpureus Peck, Bull. Torrey Club 25: 327. 1898. 



Subiculum thin, effused, covering the hymenium and stem of 

 the host and entirely obliterating the gills, bright orange, color 

 changing to bright purple as the host decays ; perithecia thickly 

 scattered, immersed or with the necks slightly protruding, a 

 little darker than the subiculum; asci very long, cylindrical, 8- 



