PLANTS OF FARGO, ETC. 83 
Conringia orientalis (1,.) Dumort. HARE’S-EAR MUSTARD. 
Roadsides and fields. Occasional. June 5 (4). Most commonly 
known in this state as ‘“‘Black Mustard.” 
Steironema lanceolatum (Walt.) Gray. LANCE-LEAVED LOOSESTRIFE 
Sloughs, and low prairie. Common. June 25. 
Plantaginaceae. Plantain Family. 
Plantago major \,. COMMON PLANTAIN. 
Streets and fields. Common. June 25 (24). 
Plantago rugelit Dec. ‘RUGELS’ PLANTAIN. 
Woods along river. Frequent. June 25. 
Plantago lanceolata VL. LANCE-LEAVED PLANTAIN. 
Streets. Occasionally introduced but not persisting. 
Gentianaceae. Gentian Family. ~ 
Gentiana puberula Michx. DOWNY GENTIAN. 
Prairie (C. B. Waldron in 1891.) 
Gentiana andrewsit Griseb. CLOSED GENTIAN. 
Low prairie. Frequent. 
Oleaceae. Ash Family. 
Fraxinus pennsylvanica Marsh. RED ASH. 
Woods. Common. May 15 (14). Chiefly var. lanceolata- 
GREEN ASH. 
Apocynaceae. Dogbane Family. 
Apocynum androsaemtifolium LL. SPREADING DOGBANE. 
Margin of woods or open places in same. Occasional; common 
near the aspen woods on Minnesota side. June 20. 
Apocynum hypericifolium Ait. INDIAN HEMP. 
Roadside ditches, low fields, and woods. Common. June 20 (19). 
Asclepiadaceae. Milkweed Family. 
Asclepias incarnata \,. SWAMP MILKWEED 
Wet places near or in woods. Occasional. July ro. 
Asclepias syriaca \,. COMMON MILKWEED 
Fields and roadsides. Common. June 25 (24). 
Asclepias ovalifolia Dec. 
Prairie. Frequent. June 20 (18). 
Asclepias verticillata \. “WHORLED MILKWEED. 
Prairie. Frequent. July ro. 
