Jennings: A Botanical Survey of Presque Isle. 411 



Lysias hooJzeriana (A. Gray) Rydberg. 

 Blephariglottls peramxna (A. Gray) Rydberg. 

 Ibidium incurvum Jennings.*^ 

 Ibidium strictuin (Rydberg) House. 

 Epipactis pubescens (Willdenow) A. A. Eaton. 

 Leptorchis loeselii (Linnaeus) MacMillan. 

 Leptorchis liliifolia (Linnaeus) Kuntze. 

 Corallorhiza maculata Rafinesciue. 



Gustave Guttenberg, July 9, 1879. Carnegie jMuseum Herbarium. 



Salicace^. 



Populus alba Linnaeus. 

 Populus tremuloides Michaux. 

 Populus deltoides Marshall. 

 Salix nigra Marshall. 

 Salix lucida Muhlenberg. 

 Salix fragi lis Linnaeus. 

 Salix fragi lis X alba. 

 Salix alba Linnaeus. 

 Salix cordata Muhlenberg. 

 Salix syrticola Fernald. 

 Salix discolor Muhlenberg. 

 Salix eriocephala Michaux. 



Gustave Guttenberg, June 26, 1879, "Big Bend." Carnegie 

 Museum Herbarium. 

 Salix sericea Marshall. 



Myrica carolinensis Miller. 



Juglans cinerea Linnaeus. 



MVRICACE^. 



Jug land ACE^. 



Betulace^. 



Ostrya virginiana (Miller) K. Koch. 

 Betula lutea F. A. Michaux. 

 Alniis incana (Linnaeus) Moench. 



'^ Jennings, O. E. " A New Species oi Jbidiutn {Gyfostachys)." Ann. Car- 

 negie Museum, 3 : 483-486. 1906. The /<^;V/z'«/« f^r««?/w reported previously for 

 Presque Isle is evidently /. incurvtwi. 



