Jennings : A Botanical Survey of Presque Isle. 421 



Solidago flexicatilis Linnaeus. 



Soli dago serotina Aiton. 



Solidago canadensis Linn?ens. 



Solidago nemoralis Aiton. 



Euihamia graminifolia (Linnaeus) Nuttall. 



Aster novcE-anglice Linnaeus. 



Aster ericoides Linnaeus. 



Aster polyphylliis Willdenow. (Aster /axoni Vorter.y^^ 



Erigeron philadelphicus Linnaeus. 



Erigeron ranwsus (Walter) Britten, Sterns & Poggenburg. 



Leptilon canadense (Linnaeus) Britton. 



Antennaria plantaginifolia (Linnaeus) Richards. 



Anaphalis margaritacea (Linnaeus) Bentham & Hooker. 



Gustave Guttenberg, Aug. 27, 1879. Carnegie Museum Herbarium 

 Gnaphaliiwi polycephalum Michaux. 

 Gnaplialiuni decurrens Ives. 

 Gnaphnlium uliginosiun Linnaeus. 

 Gnaphalium purpiireum Linnaeus. 

 Helianthus petiolaris Nuttall.'"^ 

 Helianthus tracheliifolius Miller. 

 Helianthus strumosus Linnaeus. 

 Bidens cer?iua Linnaeus. 

 Bidens connata Muhlenberg. 

 Bidens beckii Torrey. 

 Achillea millefolium Linnaeus. 

 Artemisia caudata Michaux, 

 Artemisia canadensis Michaux. 

 Artemisia biennis Willdenow."" 

 Tussilago farfara Linnaeus. 



J. A. Shafer, Sept. 9-11, 1900. Carnegie Museum Herbarium. 

 Erechtites hieracifolia (Linnaeus) Rafinesque. 

 Senecio aureus Linnaeus. 

 Carduus arvensis (Linnaeus) Robson. 



Total. — 420 species, 18 varieties, and i hybrid. 



1" Porter, T. C. " Flora of Pennsylvania," p. 325. 

 102 Porter, T. C. " Flora of Pennsylvania," p. 332. 

 w' Porter, T. C. Ibid., p. 337. 



