546 MINNESOTA BOTANICAL STUDIES. 



Heliopis hclianthoides (L.) B.S.P. : Winona, (II, III) Jy. 



1888, Holzinger 204. 

 Helianthus grosse-serratus MARTENS : Lincoln, (III) Ag. 



1891, Sheldon 1544. 

 Helianthus tuberosus L. : Goodhue, (II, III) Ag. 1893, 



Anderson 726. 

 Helianthus giganteus L. : St. Louis, (II) Jy. 1886, Holway 



133- 



Helianthus annuus L. : Winona, (III) Ag. 1889, Holzin- 



ger ; Hennepin, (II, III) O. 1889, MacMillan ; Mc- 



Leod, (II) Jy. 1890, T. J. McElligott ; Hennepin, (III) 



- 1890, E. A. Cuzner ; Traverse, (III) S. 1893, Shel- 



don 7366; Ramsey, (III) S. 1898, Freeman ; -- , (III) 



1893, Sheldon, 5823, 6175 and (II, III) 7195 ; Hennepin, 



(II, III) O. 1889, MacMillan. 



Helianthus sp. indet. : Traverse, (III) S. 1893, Sheldon 



737 8 ; - > (HI) l8 93> Sheldon 7136 and 6067. 

 10. P. Chondrillse CORDA, Icon. Fung. 4: 15. 1840. 



The Minnesota specimens of the Puccinia on Lactuca ex- 

 hibit morphological characters which according to Jacky (1. c.) 

 distinguish this form from those on Prenanthes. The teleuto- 

 spore has no well-developed papilla and no constriction and is 

 elliptical in form. The germ pores are irregular in position, 

 often occurring at the summit. 



On Lactuca -pulchella (PURSH) DC. : - , (III) S. 1893, 



Sheldon. 



Lactuca sp. indet. : Traverse, (III) S. 1893, Sheldon 7241 

 and 7125. 



B. HETER-EUPUCCINIA. 



n. P. angustata PECK, Rep. N. Y. St. Mus. Nat. Hist. 25 : 123. 



On Sctrpus atrovirens MUHL. : Ramsey, (II, III) O. 1898, 



Freeman. 

 Lycofais virginicus L. : St. Louis, (I) Jy. 1886, Holway 



216; Blue Earth, (I) Je. 1891, Sheldon 484. 

 This species is connected with ^Ecidium lycopt Ger. accord- 

 ing to Arthur (1. c.). 



12. P. caricis (SCHUM.) REBENT. Prod. Fl. Neom. 356. 1804. 



The connection of ^Ecidium urticce Schwein. on Urtica with 



P. caricis has been confirmed for American specimens. (Ar- 



thur, 1. c.) The aecidia are found on both lamina and petiole. 



