PLANTS OF FARGO, ETC. 99 
Artemisia ludoviciana Nutt. WHITE SAGE. 
Prairie and roadsides. Common. Aug. 25. 
Petasites sagittata (Pursh) Gray. SWEET COLTSFOOT. 
Wet place in aspen woods on Minnesota side. May tro. 
Senecio platiensis Nutt. *PRAIRIE RAGWORT. 
Prairie. Common. May 30 (29). 
Senecio aureus \,. : E GOLDEN RAGWORT. 
Woods near County Hospital and on Minnesota side. May 25. 
Arctium minus Schk. BURDOCK. 
Openings in woods. Common. July 30. 
Carduus lanceolatus \,. BULL THISTLE. 
Especially in pastures near or in woods. Frequent. July 20. 
Carduus altissimus \. TALL THISTLE. 
Roadsides near the woods. Occasional. 
Carduus undulatus Nutt. *PRAIRIE THISTLE. 
Prairie, roadsides and fields. Common. July 5 (5). This common 
name is very appropriate for this region. C. flodmanni Rydb. is 
listed by Bergman but I am as yet in doubt whether or not all - 
should be placed under the preceding. 
Carduus arvensis Robs. CANADA THISTLE. 
Roadsides and waste ground. Frequent. July 30. 
Centaura cyanus LL. CORN-FLOWER. 
Occasionally escaped from gardens. June_ 25. 
: Cichoriaceae, Chicory Family. 
Cichorium intybus Ll. ° CHICORY. 
Stevens in IgIo. 
Lapsana communis \. NIPPLE-WORT. 
Stevens in 1g1r. Introduced in lawngrass seed mixtures. 
Tragopogon pratensis 1. GOAT’S-BEARD. 
Roadsides. Occasional. June 20. 
Taraxacum taraxacum (l,.) Karst. DANDELION. 
Prairie to woods, literally everywhere. Apr. 30 (29). 
Taraxacum erythrospermum Andrz. RED-SEEDED DANDELION. 
Woods and nearby roadsides. Frequent. I have not been able 
secure accurate flowering data. 2 
Sonchus arvensis “ly. ) PERENNIAL SOW-THISTLE. 
Fields, roadsides and woods. First observed'in 1916, now be- 
coming common. July tro. 
