Leaves tinged red late in the season, nearly flat, oval or slightly obovate, two inches wide, four inches long, rather thin; upper surface dark green, smooth, glabrous, with midrib and larger veins deeply grooved; lower surface light green, lightly pubescent along the midrib and larger veins; apex taper-pointed, base very abrupt, margin coarsely and doubly serrate, the serrations often becoming spiny, eglandular; petiole rather slender, nine-sixteenths inch in length, tinged with pink, sparingly pubescent along one side, glandless or with one or two globose, greenish-brown glands. Blooming season intermediate in time and length; flowers appearing with the leaves, showy on account of the numerous, pure white, flat petals, with a somewhat disagreeable odor; borne in clusters on lateral buds and spurs, in pairs; pedicels seven-sixteenths inch in length, glabrous, green with a distinct reddish tinge on one side; calyx-tube red, broadly obconic, glabrous; calyx-lobes short, obtuse, pubescent on both surfaces, eglandular, with a hairy, serrate margin, somewhat reflexed; petals ovate, crenate, but somewhat fringed, long and narrowly clawed; anthers yellowish; filaments five-sixteenths inch long; pistil glabrous, shorter than the stamens. Fruit mid-season, ripening period of medium length; about one and one-eighth inches in diameter, roundish-oval or ovate, not compressed, halves equal; cavity unusually shallow, very narrow; suture an indistinct line; apex roundish; color dull carmine, covered with thin bloom; dots numerous, gray or reddish, nearly obscure, with almost none around the base; stem slender, below medium in length; skin thick, tough, astringent, adhering; flesh pale, dull yellow, very juicy, slightly fibrous, watery and melting, sweet at first with a tart and somewhat astringent after-taste; good; stone adhering to the pulp, seven-eighths inch by five-eighths inch in size, roundish-oval, flattened, smooth, blunt at the base and apex, conspicuously winged on the ventral suture, with a deep but narrow groove on the dorsal suture. HUDSON [Illustration: HUDSON] _Prunus domestica_ =1.= _Mich. Hort. Soc. Rpt._ 289. 1889. =2.= _Mich. Sta. Bul._ =103=:35 1894. =3.= _Ohio Hort. Soc. Rpt._ =30=:168. 1896-97. =4.= _Cornell Sta. Bul._ =131=:181 fig. 40 III, 187. 1897. =5.= _Am. Pom. Soc. Cat._ 25. 1897. =6.= _Can. Exp. Farm Bul._ 2nd Ser. =3=:52. 1900. =7.= Waugh _Plum Cult._ 109. 1901. Hudson River Purple 6. Hudson River Purple Egg 1, 3, 4. _Hudson River Purple Egg_ 2, 5, 7. Purple Egg 2.