110 
IOWA ACADEMY OF SCIENCES. 
29. Peziza repanda Wahl. 
Collected by E. W. D. Holway at Decorah, Iowa, October, 
18S2. On old logs. 
30. Peziza hadia Pers. 
Plants brown, about one inch in diameter. On naked 
soil in shady places, moist banks, etc. Iowa City. Sum- 
mer and autumn, 1902-4. Not uncommon. 
31. Peziza hrunneo-atra Desm. 
Plants very dark brown. Distinguished from the pre- 
ceding by the plane disc-shaped receptacle. On the ground 
in shady places. Summer. Iowa City, 1904. Eare. 
32. Detonia tracliycarpa (Curr.) Sacc. 
Plants large, nearly plane, dark brown. Distinguished 
from the genus Peziza by the globose spores. Plants were 
abundant during the autumn of 1904 on burnt places. 
This species and Lachnea ahundans K. were found in the 
same locality, a piece of woods in which a large number of 
trees {Popnlus tremid aides') had been cut and the brush 
burned at various places a short distance apart. Both of 
these species were found in abundance on such places. 
33. llumaria Muralis Quel. 
Plants very small, 2 to 3 mm. in diameter, orange-red. 
Not uncommon in shady places, often on mossy banks by 
the roadsides. Autumn, 1904. Iowa City. 
34. Hiimaria tetraspora {¥dk\.) Sacc. 
In external appearance resembling the preceding, but 
distinguished by the 4-spored asci. In damp mossy places. 
Autumn, 1903-4. Iowa City. 
35. Humaria liumosa (Fr.) Sacc. 
Plants small, 2 to 5 mm. in diameter, orange-red. Com- 
mon in moist places on naked soil and among moss. 
Autumn, 1903-4. Iowa City. 
36. Humaria leucoloma (Hedw.) Fries. 
Plants orange-red, very small, 1 to 2 mm. in diameter. 
Among moss in woods. Autumn, 1904. Bather common. 
37. Humaria gramdata (Bull.) Sacc. 
Collected at Decorah, Iowa, on cow dung, 1885, E. W. D. 
Holway. 
