MALLOW FAMILY. MALVACEAE.
Fig 128. [Indian Mallow. American Jute. Velvet Leaf. Abutilon Theophrasti] Medic. Abutilon Abutilon (L.) Rusby.
![[Indian Mallow. American Jute. Velvet Leaf. Abutilon Theophrasti]](#1525880611323293367_fig-128.jpg.id-3970387539847595013.wrap-0.html.html){kind=link}
Indian Mallow. American Jute. Velvet Leaf. Abutilon Theophrasti Medic. Abutilon Abutilon (L.) Rusby. Flowers yellow; seeds brown, flattened, 3.5–4 mm. long, ovoid excepting a piece cut from one side of the smaller end with 3–4 curved rows of minute slender objects on each side, the raphe extending from the pointed end to the notch on one side (half anatropous). Naturalized from northern Asia.
Fig 129. [Bladder Ketmia. Hibiscus Trionum] L.
![[Bladder Ketmia. Hibiscus Trionum]](#1525880611323293367_fig-129.jpg.id-9093404236643755733.wrap-0.html.html){kind=link}
Bladder Ketmia. Hibiscus Trionum L. Seed brown, the surface dotted with numerous, ragged, light-colored pimples. Think of the shape as obovoid, and then bent somewhat to the side. As now found the seed is triangular in outline with rounded corners, considerably thinned toward one corner near which is the seed scar in the midst of a depression. Each side of the triangle is about 2 mm. long. Introduced from Europe. Not yet a prominent weed in Michigan.
Fig 130. [Cheeses. Running Mallow. Malva rotundifolia] L.
![[Cheeses. Running Mallow. Malva rotundifolia]](#1525880611323293367_fig-130.jpg.id-7500662340065225160.wrap-0.html.html){kind=link}
Cheeses. Running Mallow. Malva rotundifolia L. Flowers white; cluster of 12–15 fruits flattened, circular with depression on each side, ovary circular, wedge-shaped, very slightly roughened, with radiating ridges; seeds light brown, nearly smooth, flattened, 1.4–1.7 mm. in diameter, wedge shaped, nearly circular with a small notch on the thin edge. Naturalized from Europe.
Fig 131. [Whorled Mallow. Malva verticillata.] L.
![[Whorled Mallow. Malva verticillata.]](#1525880611323293367_fig-131.jpg.id-6477155592407773593.wrap-0.html.html){kind=link}
Whorled Mallow. Malva verticillata. L. Flowers white; cluster of 10–12 fruits flattened, circular with depression on each side, carpel circular, wedge-shaped, about three rows of irregular shallow pits on the wide edge, radiating ridges on each flat side; seeds light brown, nearly smooth, flattened, wedge-shaped, ovate or nearly circular, 1.5–1.7 mm. long, with a small notch on the thin edge. Introduced from the west.
Fig 132. [Prickly Sida. Sida spinosa] L.
![[Prickly Sida. Sida spinosa]](#1525880611323293367_fig-132.jpg.id-8027058814708510060.wrap-0.html.html){kind=link}
Prickly Sida. Sida spinosa L. Seed smooth, dull brown or reddish brown, having one side round and two sides flat or more or less concave, all edges obtuse while lying on one flat side, broadly ovoid, with one side nearly straight, scar at the larger end in the midst of a slight depression, 1.5–1.8 mm. long. Not yet common in Michigan. Introduced from the tropics.
ST. JOHN'S-WORT FAMILY. HYPERICACEAE.
Fig 133. [Common St. John's-wort. Hypericum perforatum] L.
![[Common St. John's-wort. Hypericum perforatum]](#1525880611323293367_fig-133.jpg.id-479975614784633101.wrap-0.html.html){kind=link}
Common St. John's-wort. Hypericum perforatum L. Seed dark brown, mottled with about twenty-four vertical rows of small scars, short oblong, 1 mm. long, a little more or less, circular in cross-section, a slight point at one or both ends. Troublesome in old meadows and pastures. From Europe.