41 



(23. Helianthus.) 



tracheliif olius ? W'dld. 



Borders of thickets; Brandywine. Not common, 

 Aug. 

 decapetalus, L. 



Banks of streams; Brandywine, &c. Frequent, 

 Aug. 

 tuberosus, L. (Jerusalem Artichoke.) 



Naturalized in many places; Thompson's, &c. Sept. 

 annuus, L. (Sunflower.) 



Is frequently spontaneous about gardens and houses. 

 July. 



24. Actinomeris, Klltt. 



squarrosa, Kutt. 



Low grounds along Brandywine. Rather rare. Sept. 

 helianthoides, Nuft. 



Has been found by Dr. Michener near Christiana 

 village. July. 



25. Coreopsis, L. 



trichosperma, Michx. (Tickseed Sunflower.) 



Swamps; Thompson's, McCrone's, Ogletown, &c. 

 Frequent. Sept. 



26. Bidens, L. 



frondosa, L. (Bur Marigold.) 



Gardens and fields. Common. July, 

 connata, MuM. 



Wet grounds; along rivulets, &c. Frequent. Sept, 

 chrysanthemoides, Michx. (Beggar-ticks.) 



Along runs and ditches. Common. Aug. 

 bipinnata, L. (Spanish Needles.) 



Gardens and fields. Common. Aug. 



27. Helenium, L. 



autumnale, L. (Sneeze-weed.) 



Banks of streams; Brandy wine, &c. Frequent. Sept. 



28. Maruta, Cass. 



Cdtula, DC. (May-weed.) 



Yards and roadsides. Common. June. 



29. Anthemis, L. 



arvensis, L. (Wild Chamomile.) 



Cultivated grounds. Frequent. June. 



