Leaves more or less cuneate at base, elliptic to lanceolate, usually acuminate. Leaves abruptly long-acuminate, glabrous, the margin undulate; branchlets red-brown. Misanteca (p. 364). Leaves gradually acuminate or nearly acute. Leaves strongly reticulate beneath. Branchlets glabrous, light grayish brown; leaves glabrous, light green beneath. Ocotea (p. 359). Branchlets pubescent while young, greenish or yellowish; leaves pale beneath, pubescent while young. Umbellularia (p. 360). Leaves not or slightly reticulate, glaucous, glabrous or pubescent beneath. Persea (p. 356). _ee_ Leaves not aromatic. _f_ Leaves acute or acutish. Leaves obovate, gradually narrowed into short petioles. Leaves 2′—2½′ long. Schæfferia (p. 679). Leaves at least 6′—8′ long. Enallagma (p. 873). Leaves elliptic to oblong or ovate. Leaves rough or pubescent above, pubescent below, subcordate to cuneate at base. Leaves stellate-pubescent. Solanum (p. 867). Leaves scabrous above. Petiole ⅛′—¼′ long; leaves oval or oblong, 1¼′—4′ long. Ehretia (p. 862). Petiole 1′—1½′ long; leaves ovate to oblong-ovate, 3′—7′ long. Cordia (p. 858). Leaves smooth above. Winter-buds scaly. Leaves covered below with ferrugineous or pale scales, 1′—3′ long. Lyonia (p. 797). Leaves glabrous or nearly so below. Leaves ovate-lanceolate or obovate-lanceolate, 4′—12′ long, usually clustered at end of branchlet, veinlets below obscure. Rhododendron (p. 792). Leaves elliptic or oval to oblong or lanceolate. Leaves light yellowish green below and without distinctly visible veins or veinlets, entire, 3′—4′ long.