274 
IOWA ACADEMY OF SCIENCES. 
Mentha viridis L. Spearmint. Wet places; common. 
M. piperita L. Peppermint. Frequent along streams. 
Rycnanthemum linifolium Pursh. Open woods; infre- 
quent. 
Hedeoma pulegioides Pers. American Pennyroyal. Open 
w 7 oods; common. 
Monarda fistulosa L. Wild Bergamot. Prairies; com- 
mon. 
Nepeta cataria L. Catnip. Waste places. Introduced; 
common. 
N. glechoma Benth. Ground Ivy. Gill-over-the-Ground. 
Waste places; cemeteries; escaped. 
Scutellaria lateriflora L. Mad-dog Skullcap. Woods; 
common. 
S. parvula Michx. Prairies; frequent. 
Brunella vulgaris L. Common Self-heal or Heal-all. 
Open woods; common. 
Marrubium vulgare L. Common Horehound. Waste 
places; quite common. Introduced. 
Leonurus cardiaca L. Common Motherwort. Waste 
places near dwellings; common. Introduced. 
Plantaginace^e. Plantain Family. 
Plantago major L. Common Plantain. Roadsides and 
waste places; common. 
Nyctaginace^e. Four-o-clock Family. 
Oxgbaphus nyctagineus Sweet. Frequent along road- 
sides. 
Amarantace^e. Amaranth Family. 
Amarantus albus L. Tumble Weed. Waste grounds; 
rare. 
A . blitoides Watson. Waste places; frequent. 
Chenopodiace^e. Goosefoot Family. 
Chenopodium album L. Lamb’s Quarter. Pigweed. 
Fields; frequent. 
PoLYGONACEiE. Buckwheat Family. 
Rumex altissimus Wood. Pale Dock. Rich soils. Quite 
common. 
