Buds obtuse or conical, plump, free, arranged as lateral buds or in rather dense clusters on short spurs; leaf-scars obscure; season of bloom late; flowers white, one inch across, wide open; borne in dense clusters on short spurs, usually in threes or fours; pedicels one inch long, slender, glabrous, light green; calyx-tube greenish, campanulate, glabrous; calyx-lobes broadly and shallowly dentate, glabrous within and without, reflexed; petals obovate, entire, with very short claws, indented at the apex; filaments one-fourth inch long; pistil glabrous, equal to the stamens in length. Fruit matures late; nearly one inch in diameter, cordate; cavity rather deep; suture very shallow; color pale red changing to bright red; dots numerous, small, russet, conspicuous; stem one and one-fourth inches long; skin thick, tough, adherent to the pulp; flesh whitish, with abundant colorless juice, fine-grained, meaty but tender, pleasantly tart, sprightly; very good in quality; stone free, small, oval, plump, slightly pointed, with smooth surfaces; slightly notched near the base of the ventral suture. MAY DUKE _Prunus avium_ × _Prunus cerasus_ =1.= _Bradley Gard._ 211. 1739. =2.= Duhamel _Trait. Arb. Fr._ =1=:194. 1768. =3.= Prince _Pom. Man._ =2=:133, 134. 1832. =4.= _Gard. Chron._ 57. 1843. =5.= Cultivator N. S. =2=:319 fig. 93. 1845. =6.= Downing _Fr. Trees Am._ 191, 192 fig. 81. 1845. =7.= Bridgeman _Gard. Ass't Pt._ =3=: 53, 54. 1847. =8.= _Proc. Nat. Con. Fr. Gr._ 52. 1848. =9.= Elliott _Fr. Book_ 211. 1854. =10.= McIntosh _Bk. Gard._ =2=:542, 543. 1855. =11.= _Mas Le Verger_ =8=:133, 134, fig. 65. 1866-73. =12.= Hogg _Fruit Man._ 305, 306. 1884. =13.= _Guide Prat._ 8, 195, 196. 1895. _Duke Cherry._ =14.= Ray _Hist. Plant._ =2=:1540. 1688. _May Cherry._ =15.= Miller _Gard. Dict._ =1=:1754. =16.= Mortillet _Le Cerisier_ =2=:138-140, fig. 33. 1866. _Rothe Maikirsche._ =17.= Christ _Handb._ 669. 1797. =18.= Christ _Wörterb._ 282. 1802. =19.= Truchsess-Heim _Kirschensort._ 377-389. 1819. =20.= _Ill. Handb._ 151 fig., 152. 1860. =21.= Mas _Le Verger_ =8=:135, 136, fig. 66. 1866-73. =22.= _Lauche Deut._ Pom. III: No. 16, Pl. 1882. =23.= Mathieu _Nom. Pom._ 374. 1889. _Royale Hâtive._ =24.= Poiteau _Pom. Franc._ =2=: Nos. 23, 24, Pl. 1846. =25.= _Pom. France_ =7=: No. 4, Pl. 4. 1871. =26.= Leroy _Dict. Pom._ =5=:389 fig., 390, 391. 1877. _Royale Cherry Duke._ =27.= Mas _Pom. Gen._ =11=:127, 128, fig. 64. 1882. _Esel Kirsche._ =28.= _Ohio Hort. Soc. Rpt._ 22. 1892-93. _Anglaise Hâtive._ =29.= _Soc. Nat. Hort. France Pom._ 78 fig., 79. 1904.