Aug:. 20th to Sept. 1st 



OrobancJiacece. 



Epifagus virginiana, (L.) Bart. 



Under beech trees; frequent. 



Beech-drops. 



Labiatce, 



Trichostema dichotomum, L. Bastard Penn.yroyal. 



Sandy fields; common. 



Ama rail th acece. 



Amaranthus retroflexus, L. Pigweed. 



Waste and cult, grounds ; common. 



hybridus, L. ' ' 



Waste and cult, grounds ; common. 

 graecizans, L. Tumble Weed. 



Waste and cult, grounds; common. 

 *Blitoides, Wats. Pigweed. 



Waste grounds. 



Coti^ipositce. 



Xanthium canadense, ]\Iill. 



Waste places ; common, 

 echinatum, ]\Iurr. 



Sandy seashore ; common. 

 Aster linariifolius, L. 



Dry soil; b. till Oct. 15; common, 

 patens, Ait. 



Dry soil ; b. till Oct. 15 ; common, 

 acuminatus, Michx. 



Moist woods; common, 

 dumosus, L. 



Dry soil ; common, 

 novi-belgii, L. 



Moist or wet grounds, till November; common. 

 var. Itevigatus, (Lam.) Gray. 



Moist or wet grounds, till Noveml)cr; common, 

 var. litoreus, Gray. 



Moist or wet grounds, till November; common. 



Cocklebur. 



Aster. 



*Dr. E. L. Sturtevant. 



