78 



Arrow-wood 



Wild Balsam Apple 



Sheep's-bit 



Venus Looking-Glass 



Pale Spiked Lobelia 



Yarrow ; Milfoil 



Ragweed ; Roman Wormwood 



Western Ragweed 



Pearly Everlasting 



Everlasting ; Pussy Toes 

 Plantain-leaf Everlasting 



Corn Chamomile 

 Mayweed ; Dillweed 

 Yellow Chamomile 



Common Burdock 



Tall or W^ild Wormwood 



Beach Wormwood 



Whorled Aster 



Common Blue Wood Aster 



White Wood Aster 



Bushy Aster 



Rush Aster 



Smooth Aster 



Starved Aster 



Stiff-leaved Aster 



Long-leaved Aster 



Dense-flowered Aster 



New England Aster 



New York Aster 



Tall White Aster 



Late Purple Aster 



Annual Salt-marsh Aster 



Perennial Salt-marsh Aster 



Tall Flat-topped White Aster 



Small White Aster 



Groundsel Tree 



Beggar-ticks 



Viburmtm dentatum L. Only one shrub 

 known. May prove to be V. venosum 

 Britton. 



Echinocystis lobata (Michx.) T. & G. Com- 

 mon in localities. 



Jasione montana L. Rare. One station 

 known. 



Specularia perfoliata (L.) A. DC. Occa- 

 sional. One station known. 



Lobelia spicafa Lam. Fairly common. 



Achillea Millefolium L. Common. 



Ambrosia artemisiifolia L. Very common. 



Ambrosia psilostachya DC. Occasional. 



Anaphalis margantacea (L. ) B. & H. Occa- 

 sional. 



Antennaria fallax Greene. Fairly common. 



Antennaria plaiifaginifolia (L.) Richards. 

 Fairly common. 



Anthemis arvensis L. Occasional. 



Anthem-is Cofttla L. Common. 



Anthemis tinctoria L. Sparingly as an 

 escape. 



Arctium minus Bernh. Common. 



Artemisia caudata Michx. Fairly common. 



Artemisia Stellcriana Bess. Fairly common 

 on beaches. 



Aster acuminatus Michx. Occasional. 



Aster cordifoiius L. Occasional. 



Aster diz'aricatus L. Occasional. 



Aster durnosus L. Occasional. 



Astei- junccus Ait. Occasional. 



Aster laevis L. Occasional. 



Aster lateriflorus (L.) Britton. Occasional. 



Aster linariij alius L. Very common. 



Aster longifolius Lam. Long-leaved Aster. 



Aster multiflorus Ait. Common. 



Aster novae-angliae L. Not common. 



Aster novi-belgii L. Fairly common. 



Aster paniculatus Lam. 



Aster patens Ait. Common. 



Aster sulndatus Michx. Fairly common. 



Aster tentiifolius L. Fairly common. 



Aster iimbellatus Mill. Occasional. 



Aster z'imine^is Lam. Common. 



Baccharis halimifolia L. Two bushes known. 

 Since died. 



Bidciis connata Muhl. Common. 



