368 



Coreopsis lanceolata L. (2478) Tickseed 



Coreopsis lanceolata villosa Michaux. (2817) 



Coreopsis palmata Nuttall. (3148) 



Bidens vulgata Greene. Stick-tight 



Bidens trichosperma tenuiloba (A. Gray) Britton. (2982) Tickseed 



Sunflower 

 Helenium autumnale L. (2984) Sneezeweed 

 Achillea millefolium L. (2760) Yarrow 

 Artemisia caudata Michaux. (2972) Wormwood 

 Cacalia tuberosa Nutt. (3249) Indian Plantain 

 Senecio balsamitae Muhl. (2512, 3031) Ragwort 

 Cirsium pitcheri (Torr.) T. & G. (2866) Pitcher's Thistle 

 Cirsium muticum Michaux. (2953) Swamp Thistle 

 Cirsium arvense (L.) Scop. (3245) Canada Thistle 

 Krigia amplexicaulis Nutt. (2499) False Dandelion 

 Taraxacum erythrospermum Andrz. Red-seeded Dandelion 

 Lactuca canadensis L. Wild Lettuce 

 Prenanthes racemosa Michaux. (3283) Rattlesnake-root 

 Prenanthes alba L. White Rattlesnake-root 

 Hieracium canadense Michaux. (2945) Hawkweed 

 Hieracium aurantiacum L. (2826) Orange Hawkweed. Though not 



occurring on the beach proper, but in the oak woods back of 



the Glenwood ridge, this is inserted here on account of the 



extension of its westward limit. 



The following additional plants, although they were found within 

 the limits of the region, were limited in distribution to the dump 

 heaps and railway ballast. 



Abutilon theophrasti Medic. Velvet Leaf 



Agropyron repens (L.) Beauv. Couch Grass 



Amaranthus retroflexus L. Pigweed 



Ambrosia psilostachya DC. Ragweed 



Anthemis cotula L. Dog Fennel 



Arctium minus Bernh. Burdock 



Brassica arvensis (L.) Ktze. Mustard 



Capsella bursa-pastoris (L.) Medic. Shepherd's Purse 



Eragrostis purshii Schrad. 



Erechtites hieraci folia (L.) Raf. Fireweed 



Helianthus annuus L. Sunflower 



Helianthus atrorubens L. (3219) Sunflower 



Hordeum jubatum L. (3040) Squirrel-tail Grass 



Lactuca pulchella (Pursh) DC. (3220) Blue Lettuce 



