Prenanthes alba L Rattlesnake-root. 



Frequent in woods. 



Prenanthes serpentaria Pursh Lions-foot. 



Occasional in woods and thickets. 



Rudbeckia laciniata L . . . . . Wild goldenglow. 



Frequent in fields and thickets. 



Rudbeckia serotina Nutt. (R. hirta of most authors) . . . Black-eyed-susan. 

 Occasional in old fields. 



Senecio smallii Britt Ragwort. 



Occasional in fields. 



Senecio vulgaris L Common groundsel. 



Southeastern slope of Mount Hamilton, location 11. 



Sericocarpus asteroides (L.) B.S.P White-topped aster. 



Woods and fields. 



Silphium trifoliatum L Rosinweed. 



Thickets and margin of woods. 



Solidago altissima L Goldenrod. 



Margin of woods and thickets. 



Solidago bicolor L Silver goldenrod. 



Wooded hillsides and riverbanks. 



Solidago erecta Pursh 

 Open dry ground. 



Solidago graminifolia (L.) Salisb. 



Fields and thickets. 



Solidago juncea Ait Plume goldenrod. 



Old fields and meadows. 



Solidago nemoralis Ait. 

 Frequent in dry soil. 



Solidago odora Ait. (S. suaveolens Schoepf.) Sweet goldenrod. 



Frequent in dry woods. The entire plant when crushed emits an odor 

 similar to anise. 



Solidago rugosa Ait. 



Thickets and margin of woods. 



Solidago ulmifolia Muhl. 

 Moist woods. 



46 



