serrulate

Embryo straight, nearly as long as the albumen; radicle longer than the cotyledons.—Shrubs with membranaceous deciduous oblong-ovate serrulate leaves, soft-downy beneath, and large short-peduncled flowers solitary in their axils.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Asa Gray

Glabrous, somewhat spinescent, 5–10° high; leaves thin, oblong-ovate or ovate-lanceolate, acuminate at both ends, often serrulate; drupe elongated-oblong, usually pointed.—Wet river banks, S. W.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Asa Gray

P. 2-2.5 cm. even, exp. then subdepressed, pale rufous, often cracked; g. adnexed, broad, thickish, serrulate; s. 2-4 cm. polished, rufescent, not rooting; sp.

From European Fungus Flora: Agaricaceae by George Massee

P. 5-7 cm. convex, silky, at length broadly gibbous, whitish violet; g. serrulate, greyish violet; s. 4-5 cm. clavate, whitish violet, with a median ring-like zone; sp.

From European Fungus Flora: Agaricaceae by George Massee

Leaves pale-green beneath, obscurely serrulate White Ash, Fraxinus americana. 5b.

From The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State by Henry Allan Gleason