MICHIGAN ACADEMY OF SCIENCE. 
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Petasites palmatus (Ait.) Gray. Palmate-leaf Sweet Coltsfoot. In 
damp woods, especially on the west side. 
Senecio vulgaris L. Common Groundsel. About the village. F. W. 
Hunnewell 2nd. 
Senecio aureus L. Golden Ragwort. In wet shaded places, especially 
on the west side. 
Senecio aureus gracilis (Pursh) Britton. Slender Ragwort. Occasional 
in damp ground. F. W. Hunnewell 2nd. 
Senecio balsamitae Muhl. Balsam Groundsel. In dry open or slightly 
shaded ground. 
Arctium minus Bernh. Common Burdock. Frequent and often abun- 
dant in open or shaded ground. 
Cirsium lanceolatum (L.) Hill. Common Thistle. Occasional in open 
and cultivated ground. 
Cirsium pitcheri (Torr.) T. & G. Pitcher's Thistle. Occasional along 
the sandy beach on the east side. 
Cirsium discolor (Muhl.) Spreng. Field Thistle. In dryish open or 
slightly shaded ground. 
Cirsium arvense (L). Scop. Canada Thistle. Noticed throughout the 
island in open or slightly shaded ground. In spots abundant. 
Lapsana communis L. Nipple-wort. Plentiful on the bluff west of the 
fort and near the waterworks building on the east side. 
Tragopogon porrifolius L. Oyster-plant. An escape about the village. 
Tragopogon pratensis L. Goat's Beard. Occasional as a weed about the 
village. 
Taraxacum officinale Weber. Common Dandelion. About the village 
and in cultivated grounds. 
Sonchus oleraceus L. Common Sow Thistle. As an occasional weed 
about the village. 
Lactuca canadensis L. Wild Lettuce. In rich open or slightly shaded 
ground. 
Lactuca spicata (Lam.) Hitchc. Tall Blue Lettuce. In open woods 
throughout the island. 
Prenanthes alba L. White Lettuce. Occasional in rich open woods. 
Hieracium aurantiacum L. Orange Hawkweed. Occasional in open 
woods like a native plant. 
