490 MINNESOTA BOTANICAL, STUDIES. 



New England (Sprague), Massachusetts (Frost), Rhode Is- 

 land (Bennett), New York (Peck, Underwood), Maryland 

 (Banning), North Carolina (Curtis), Illinois (Brendel), 

 Wisconsin (Bundy) Nebraska (Bot. Surv.) California (Harkness T 

 McOatchie). [Europe]. 



4. Helvella elastica Bull. Champ. Franc. 299. pi. 242. 



1785. 

 New York (Peck) Massachusetts (Frost, Underwood), Rhode 

 Island (Bennett), Nebraska (Bot. Surv. Neb.), California (Mc- 

 Clatchie). [Europe]. 



5. Helvella ephippium Ley. Ann. des Sc. Nat. II. 16:240, 



pi. 15, f. 7. 1841. 

 Rhode Island (Bennett), Massachusetts (Frost), Virginia" 

 Curtis), North Carolina (Curtis). [Europe]. 



6. Helvella gracilis Peck. Rag. Rap. 24: 91. 1872. 

 New York (Peck). 



7. Helvella grisea Clements. Bot. Surv. Neb. 4:8. 1896. 

 Nebraska (Bot. Surv.) 



8. Helvella lacunosa Afz. Act. Holm, 301. 1783. 



Helvella sulcata Afz. Vet. Akad. Handl. 305. 1783. 

 New Hampshire (Farlow), Massachusetts (Frost), Rhode Is- 

 land (Bennett), New York (Peck), New Jersey (Ellis), Penn- 

 sylvania (Schweinitz), Wisconsin (Bundy), North Carolina 

 (Schweinitz, Curtis), South Carolina (Curtis), Alabama (Curtis), 

 Nebraska* (Bot Surv.), California (Harkness, Blasdale, Mc- 

 Clatchie). [Europe]. 



8a. Helvella lacunosa minor Rostr. Medd. om Gronl. 3 : 605. 

 1891. 

 Greenland (Rostrup). 



9. Helvella monachella (Scop.) Fr. Syst. Myc. 2:18. 



1822. 

 Phallus monachella Scop. Fl. Cam 2: 476. 1772. 

 New England (Sprague), California (Harkness). [Europe]. 



10. Helvella palustris Peck. Reg. Rep. 33: 31. pi. 2. f. 16-18. 

 1883. 

 New York (Peck). 



* The form here reported is described (I.e. 8) as Helvella sulcata minor Clement? 

 which Is preoccupied under the present species. It may or may not be the same form 

 as the next from Greenland. 



