Tree large, vigorous, upright-spreading, open-topped, somewhat vasiform, productive; trunk and branches smooth; branches brown nearly covered with ash-gray, with a few large lenticels; branchlets long, with short internodes, brown partly covered with ash-gray, smooth, with a few very large, raised lenticels. Leaves numerous, three and three-eighths inches long, one and three-fourths inches wide, folded upward, short-obovate, thick, stiff; upper surface glossy, slightly rugose; lower surface pale green, thinly pubescent; apex sharp-pointed, tapering toward the base; margin coarsely serrate, glandular; petiole thick, dull red, grooved on the upper surface, nearly one inch long, glandless or with one or two small glands at the base of the blade. Buds conical or pointed, plump, free, arranged singly as lateral buds and in small clusters on spurs; leaf-scars inconspicuous; season of bloom intermediate; flowers white, one and one-fourth inches across; borne in scattering clusters in twos and threes; pedicels one inch long, slender, glabrous, greenish; calyx-tube with a faint reddish tinge, campanulate, glabrous; calyx-lobes tinged red, long, acute, glabrous within and without, reflexed; petals obovate, entire, tapering to short, narrow claws, with a broad but shallow notch at the apex; filaments about one-fourth inch long; pistil glabrous, shorter than the stamens. Fruit matures early; three-fourths of an inch in diameter, cordate to conical, compressed; cavity somewhat abrupt, regular; suture deep, distinct, often extending entirely around the fruit; apex depressed; color dark red; dots numerous, small, brownish, obscure; stem slender, one and three-fourths inches long, adheres strongly to the fruit; skin thin, tough, separating readily from the pulp; flesh dark red, with reddish juice, tender and melting, sprightly, sour; good to very good in quality; stone nearly free, longer than wide, nearly round, slightly flattened, with smooth surfaces; somewhat ridged along the ventral suture. DOWNER _Prunus avium_ =1.= Kenrick _Am. Orch._ 218. 1835. =2.= Hovey _Fr. Am._ =2=:93, 94, Pl. 1851. _Downer's Red Heart._ =3.= Kenrick _Am. Orch._ 276. 1832. _Downer's Late._ =4.= _Proc. Nat. Con. Fr. Gr._ 52. 1848. =5.= _Ann. Pom. Belge_ =2=:65, Pl. 1854. _Guigne Tardive de Downer._ =6.= Mortillet _Le Cerisier_ =2=:95 fig., 96, 97. 1866.