_cc_ Branchlets brown or gray. _d_ Leaves acute or acuminate. Leaves 10′—12′ long, obovate-oblong, acuminate, glabrous, emitting a disagreeable odor. Asimina (p. 353). Leaves smaller. Petioles very slender, 1′—2′ long; leaves elliptic, acuminate. Cornus alternifolia (p. 789). Petioles short. Branchlets with a terminal bud. Leaf-scars about as long as broad; branchlets without lenticels, light reddish brown. Elliottia (p. 791). Leaf-scars crescent-shaped, broader than long, with 3 distinct bundle-traces. Leaves pubescent on both sides, rugulose above; petioles 1′—2′ long, like the young branchlet densely pubescent. Leitneria (p. 167). Leaves glabrous and smooth above, glabrous or pubescent below; petioles and branchlets usually glabrous or nearly so at maturity. Nyssa (p. 779). Branchlets without a terminal bud. Pubescence consisting of simple hairs or wanting. Leaves 4′—6′ long, pubescent beneath while young; branchlet light brown or gray. Diospyros virginiana (p. 821). Leaves 1½′—3′ long, glabrous; branches light yellowish gray. Schœpfia (p. 336). Pubescence stellate; leaves obovate or elliptic, 2½′—5′ long, pubescent below. Styrax (p. 829). _dd_ Leaves obtuse or acute. Branchlets not spinescent. Leaves glabrous at maturity, their petioles slender. Cotinus (p. 657). Leaves pubescent below at maturity; their petioles short and thick. Diospyros texana (p. 823). Branchlets spinescent; leaves often fascicled on lateral branchlets. Bumelia (p. 812). _aa_ Leaves serrate or pinnately lobed. _b_ Stipules present. (_bb_, see p. xxvi.) _c_ Winter-buds naked. Leaves oblique at base, the upper side rounded or subcordate, obovate, coarsely toothed. Hamamelis (p. 368). Leaves equal at base, cuneate, finely serrate or crenate.