420 Annals of the Carnegie Museum. 



RUBIACEyE. 



Cephalanthus occidentalis Linnaeus. 

 Mitchella repetis Linnaeus. 

 Galium aparine Linnaeus. 

 Galium pilosum Aiton. 

 Galium circcBzans Michaux. 

 Galium trifloi'um Michaux. 

 Galium trifidum Linnaeus. 



Caprifoliace^. 



Sambucus canadensis Linnaeus. 

 Sambucus racetnosa LinUcCus. 

 Viburnum acerifoliiwi Linnaeus. 

 Viburnufn dentatum Linnaeus. 

 Viburnum lentago Linnaeus. 

 Lonicera glaucescens Rydberg. • 



(Forms with purple flowers occur here.) 

 Diervilla diervilla (Linnaeus) MacMillan. 



CAMPANULACEiE. 



Campanula aparinoides Pursh. 

 Lobelia syphilitica Linnaeus, 

 Lobelia kalmii Linnaeus. 



CiCHORIACE-'E. 



Taraxacam taraxacum (Linnaeus) Karsten. 

 Lactuca canadensis Linnaeus. 

 Hieracium canadense Michaux. 

 Hieracium paniculatum Linnaeus. 

 Hieracium scabru?n Michaux. 

 Hieracium gronovii Linnaeus. 

 Nabalus albus (Linnaeus) Hooker. 



Ambrosiace^. 

 Xafithiimi commune Britton. 

 Xanthium tnacouftii Britton. 



(The burs of these plants answer to the description of this species 

 very nicely, but the leaves are apparently larger and more deeply 

 lobed. ) 



Composite. 



Eupatorium perfoliatum Linnaeus. 

 Solidago ccesia Linnaeus. 



