IOWA ACADEMY OF SCIENCES. 
107 
Shimek. Iowa City; Winneshiek county, B. Shimek. ^ot 
uncommon in woods. 
9. Helvella crispa (Scop.) Fries. 
Plants snow-white; pileus generally free. Rather com- 
mon on the ground in woods among fallen leaves during 
the autumn of 1904. Iowa City. 
10. Helvella elastica Bull. 
Stem slender and even. Not uncommon on soil in 
woods during the summer and autumn. Various collec- 
tions. Iowa City; — Winneshiek county, B. Shimek. 
11. Helvella macropiis (Pers.) Karst. 
Stem slender and generally even; pileus cup-shaped. 
Sometimes similar to preceding. Rather common on naked 
soil in wmods. low^a City. 
12. Gyromitra esculenta Fries. 
Pileus large undulated, brownish; stem short. Plants 
collected by T. H. Macbride. Iowa City. Rare. 
FAMILY— RHIZINACE^. 
13. Sphoerosoma echinulatum Seaver. 
Journal of Mycology 11, pp. 2-5. On damp clay soil. 
Common during the summer of 1904 in a ravine one mile 
north of Iowa City. A rare genus. 
PEZIZINEJE. 
FAMILY— PYRONEMACE^. 
14. Pyronema omplialodes (Bull.) Fckl. 
Plants crowded, forming reddish or salmon-colored 
masses from one to two inches in diameter in damp places 
on charcoal and ashes where wood has been recently 
burned. Very common in wet weather on burnt places. 
Iowa City. Summer and autumn, 1904. 
15. Pyronema aurantio-ruhrum (Fckl.) Saoc. 
Similar to preceding but distinguished by smaller 
sporidia. Collected on charcoal. Autumn, 1903. Iowa 
City. 
