1. _P. Persica_ Stokes _Bot. Mat. Med._ =3=:100. 1812. 2. _P. Persica_ var. _vulgaris_ Maximowicz _Mel. Biol._ =11=:668. 1883. 3. _P. Persica_ var. _necturina_ Maximowicz l. c. 669. (nectarine) 4. _P. Persica_ var. _laevis_ Gray 5. _P. Persica_ var. _nucipersica_ Dippel _Handb. Laub._ =3=:606. 1893. (nectarine) 6. _P. Persica_ var. _platycarpa_ Bailey _Cyc. Am. Hort._ 1456. 1901. (Flat Peach, Peento) 7. _Amygdalus Persica_ Linnaeus _Sp. Pl._ Ed. =1=:472. 1753. 8. _A. Persica_ var. _nucipersica_ Linnaeus l. c. 676. (nectarine) 9. _A. nectarina_ Aiton _Hort. Kew_ Ed. =2=, =3=:194. 1811. (nectarine) 10. _A. Nuci-persica_ Reichenbach _Fl. Germ. Exc._ 647. 1832. (nectarine) 11. _A. laevis_ Dietrich _Syn. Pl._ =3=:42. 1852. (nectarine) 12. _Persica vulgaris_ Miller _Gard. Dict._ Ed. =8=: No. 1. 1768. 13. _P. nucipersica_ Borkhausen _Forstb. Beschrb._ 205. 1790. (nectarine) 14. _P. laevis_ De Candolle _Fl. Fran._ =4=:487. 1805. (nectarine) 15. _P. platycarpa_ Decaisne _Jard. Fr. Mus._ (Pechers) 42. 1872-75. (Flat Peach, Peento) Tree low, attaining a height of thirty feet, diffuse, open-headed, broad-topped, often without a central leader; trunk at maturity sometimes a foot in diameter; bark dark reddish-brown, in old trees rough and scaly; branches spreading, slender and sometimes drooping; twigs round, rather slender, glabrous, glossy green changing to shades of red, with numerous, large or small, conspicuous, usually raised lenticels. The leaves are alternate, simple, four to seven inches long, one to two inches wide, broad-lanceolate or more often oblong-lanceolate; upper surface dark green, smooth, dull or shining, some rugose along the midrib; lower surface paler, with little or no pubescence; apex long-tapering, base abrupt or acute; margins coarsely or finely serrate, or crenate, sometimes doubly toothed, teeth tipped with glands or sometimes glandless; petioles stout, from a quarter-inch to an inch long, grooved, glandless or more often with from one to eight globose or reniform glands, sometimes mixed, a part of which may be on the base of the leaf.