PLANTAIN FAMILY. PLANTAGINACEAE.

Fig 171. [Sand Plantain. Plantago arenaria] W. & K.

Sand Plantain. Plantago arenaria W. & K. Seeds dark amber brown, shining, rounded on the back like the bottom of a shallow canoe, 2.5–3 mm. long, transverse groove around the middle of the back, opposite side with a groove extending lengthwise, about as wide as the ridge on either side of it; hilum in the middle of the groove. Found at Harrisville, Mich.

Fig 172. [Large-bracted Plantain. Plantago aristata] Michx.

Large-bracted Plantain. Plantago aristata Michx. Seeds oval, dull, light to dark brown, 2.2–3 mm. long, shaped like a shallow, thick-walled canoe with ends rounded alike, outer face marked by a shallow, transverse groove at or near the middle, a white line marking the margin at the base on the canoe inside, two white-margined pits occupying the middle of the concave side. Introduced from the west in clover seeds, not yet common.