CATALOG OF PLANTS. 119 



in the barren sand near Huron City, and a large tuft of the 

 phint grows in the sand just back of the storm wave Hne near 

 the old Carrington Salt Blocks at Port Austin. Prof. Wheeler 

 of the agricultural college informs the writer that it has not 

 been previously reported as growing wild in the state." In 

 1908 and 1909 it was noticed as a common and permanent 

 escape covering large areas of sandy ground about country 

 dwellings and in all the villages of the sand region. Also 

 found in sand at Port Huron, Michigan, and near Sarnia, 

 Lamliton County. Ontario. 



857. Artemisia biennis Willd. Biennial wormwood. — Occasional 



about villages and fisheries, and on Stony Island. 



858. Artemisia absinthium L. Wormwood. ^"Roadside near Port 



Austin." Davis. 



859. Erechtites hieracifoh'a (L.) Raf. Fireweed.— Occasional on 



dam]) gromid and in damp open woods. 



860. Cacalia tuberosa Nutt. Tuberous Indian plantain. — Frequent 



on prairie-like ground between Bayport and Sebewaing. 



861. Senecio aureus L. Golden ragwort. — Occasional in moist places 



l)elow (iriiulstone City. 



862. Senecio balsamitae Muhl. Balsam groundsel. — On poor sandy 



ground on Stony Island and west of Caseville. 



863. Arctium minus Bernh. Common burdock. — Common every- 



where on dry or damp ground. 



864. Cirsium lanceolatum (L.) Hill. Common thistle. — Occasional 



about country dwellings, along roadsides, and in pastures. 



865. Cirsium pitcheri (Torr.) T. A: G. Pitcher's thistle.— Frequent 



and often plentiful on drifting sand along the lake shore. 

 "Not seen back of the crest of the first dune line." Davis. 



866. Cirsium muticum Michx. Swamp thistle. — On damp marshy 



ground near Port Austin, Bayport and Sebewaing. 



867. Cirsium arvense (L.) Scop. Canada thi.stle. — Not often on sand 



dunes, occasional in villages, more frequent on roadsides and 

 in adjacent cultivated fields. 



868. Cichorium intybus L. Common chicory. ^ — Occasional in the 



villages and aliout country dwellings. 



869. Tragopogon porrifolius L. Oyster-plant. — Noticed as an escape 



near Port Austin and Sebewaing. 



870. Taraxacum officinale Weber. ^Infreciuent on sand dunes, more 



common about country dwellings, in villages and cultivated 

 fields. 



871. Sonchus arvensis L. Field sow thistle. — Noticed at Caseville 



and along the railroad at Port Hope. 



