Fig 143. [Hedge or Great Bindweed. Convolvulus sepium] L.

Hedge or Great Bindweed. Convolvulus sepium L. Pod nearly globose, about 8 mm. in diameter, usually covered by the bracts and calyx; seeds dull black or dark brown, roughened, oval, about 5 mm. long, one face convex, the other face sloping to the edges from a central ridge. Native to this country. Seldom seeding in Michigan. On low land.

Fig 144. [Field Dodder. Cuscuta arvensis] Beyrich.

Field Dodder. Cuscuta arvensis Beyrich. A pale yellow leafless parasitic vine; seeds dull, yellowish brown, minutely pitted, considerably resembling those of red clover, broad oval, ovoid or spherical, .7–1 mm. long, one side rounded the other often with two flat surfaces terminating in a ridge. Not uncommon with alfalfa.

Fig 145. [Flax Dodder. Cuscuta Epilinum] Weihe.

Flax Dodder. Cuscuta Epilinum Weihe. Stems very slender, yellow or red, a parasitic vine; seeds dull, yellowish to dark brown, minutely pitted, nearly spherical, oval, ovoid, 1–1.5 mm. long. Introduced from Europe.