320 



NEW YORK STATE MU8EtM 



MORCHELLA DELICIOSA Fr. 



Delicious Morel. 

 Figs. 4 and 5 Mature plants, two forms. 

 1 ' 6 Vertical section through the center of a mature'plant. 

 ' ' 7 A spore sack containing eight spores, X 400. 



MORCHELLA BISPORA Sor. 



Two-spored Morel. 



Fig. 8 A mature plant. 

 ' ' 9 Vertical section through the center of a mature plant. 

 ' 1 10 A spore sack containing two spores, X 400. 



MORCHELLA SEMILIBERA DC. 



Half-free Morel. 



Fig. 11 A mature plant. 

 11 12 Vertical section through the center of a mature plant. 

 " 13 A spore sack* containing eight spores, X 400. 



PLATE 4. 



MORCHELLA CONICA PerS. 



Conical Morel. 



Figs. 1 and 2 Mature plants. 

 * ' 3 Vertical section through the center of a mature plant. 

 1 1 4 A spore'sack containing eight spores, X 400. 



MORCHELLA ANGUSTICEPS Peck. 



\Narrow-cap Morel. 



Figs. 5, 6 and 7 Mature plants of various]forms. 

 ' ' 8 Vertical section through the center of a mature plant. 

 ' ' 9 A spore sack containing eight spores, X 400. 



PLATE 5. 



Gyromitra esculenta Fr. 



Esculent Gyromitra. Edible Helvella. 



Fig. 1 A mature plant. 

 ' 1 2 Vertical section through the center of Ja mature plant. 

 " 3 A spore sack containing eight spores, X 400. 



Helvella crispa Fr. 



Figs. 4, 5 and 6 Mature plants of various forms. 

 * 1 7 A spore sack containing eight spores, X 400. 



Mitrula yitellina Sacc. var. irregula.ris^P^cA;. 



Irregular Mitrula. 



Figs. 8 to 13 Mature plants of various forms. 

 " 14 A spore sack containing eight spores, X 400. 



