Buds usually pointed, plump, free, arranged singly as lateral buds and in small clusters on short spurs; leaf-scars prominent; season of bloom intermediate; flowers white, one inch across; borne in scattering clusters, usually in threes; pedicels five-eighths inch long, glabrous, green; calyx-tube tinged with red, obconic, glabrous; calyx-lobes with a trace of red, long, broad, acute, serrate, glabrous within and without, reflexed; petals obovate, entire or slightly crenate, sessile, with a crenate apex; filaments one-fourth inch long; pistil glabrous, equal to or longer than the stamens, often defective. Fruit matures in mid-season; three-fourths of an inch in diameter, oblate, compressed; cavity wide, flaring; suture shallow; apex flattened or depressed; color dark red; dots numerous, small, russet, somewhat conspicuous; stem thick, one inch long, adhering fairly well to the fruit; skin thick, separating from the pulp; flesh whitish, showing distinctly the fibers in the pulp, with abundant colorless or slightly tinged juice, tender and melting, sprightly, pleasant flavored, tart; of very good quality; stone free, roundish, plump, with smooth surfaces, tinged with red. LATE DUKE _Prunus avium_ × _Prunus cerasus_ =1.= _Pom. Mag._ =1=:45, Pl. 1828. =2.= _Lond. Hort. Soc. Cat._ 48, 49, 55, 56. 1831. =3.= Prince _Pom. Man._ =2=:134, 135. 1832. =4.= _Hort. Reg._ (Eng.) =1=:257, fig. 1833. =5.= Downing _Fr. Trees Am._ 191 fig. 80. 1845. =6.= _Mag. Hort._ =13=:397 fig. 33, 398. 1847. =7.= _Gard. Chron._ 556. 1848. =8.= Hovey _Fr. Am._ =1=:37, 38, Pl. 1851. =9.= _Am. Pom. Soc. Cat._ 74. 1862. _Wahre Englische Kirsche._ =10.= Christ _Handb._ 682. 1797. =11.= Christ _Wörterb._ 284. 1802. =12.= Truchsess-Heim _Kirschensort_. 405-410. 1819. =13.= Dochnahl _Führ. Obstkunde_ =3=:50. 1858. =14.= _Ill. Handb._ 499 fig., 500. 1861. _Späte Herzogenkirsche._ =15.= Truchsess-Heim _Kirschensort_. 434-437. 1819. _Anglaise Tardive._ =16.= Mortillet _Le Cerisier_ =2=:179-181, fig. 48. 1866. =17.= Mas _Le Verger_ =8=:67, 68, fig. 32. 1866-73.