Leaf-buds of average size, short to medium, intermediate in thickness, conical to pointed, open in mid-season. Young leaves faintly tinged on lower side only with faintest rose carmine. Leaves large to medium, thick; upper surface dark green, dull, moderately smooth; lower surface pale green, slightly pubescent; veins not conspicuous; lobes none to three with terminus acute; petiolar sinus deep, medium to narrow; basal sinus usually lacking; lateral sinus shallow, wide, frequently obscure; teeth medium to deep, of average width. Flowers sterile, open in mid-season; stamens reflexed. Fruit ripens about with Niagara, does not keep nor ship well. Clusters large, long to medium, somewhat broad, tapering, irregular, often heavily single-shouldered, loose to moderately compact; peduncle above average length, thickish; pedicel intermediate in length and thickness, covered with few, inconspicuous warts; brush slender, medium in length, pale green. Berries uniform in size, rather large, roundish, attractive light green often with tinge of golden yellow or pinkish-yellow, glossy, covered with thin gray bloom, persistent, intermediate in firmness. Skin very thin, tender, often inclined to crack, does not adhere to the pulp, contains no pigment. Flesh greenish, translucent, very juicy, tender, vinous, slightly sweet next the skin but decidedly acid at center, medium to good in quality, better than Elvira. Seeds separate easily from the pulp when mature, two to four in number, average two and three, above medium in size, broad, intermediate in length, plump, light to dark brown; raphe shows as a small but prominent cord; chalaza rather large, at center or slightly above, oval, usually distinct. HARTFORD. (Labrusca, Vinifera?) =1.= _Mag. Hort._, =18=:114. 1852. =2.= _Am. Pom. Soc. Rpt._, =1856=:36, 165. =3.= _Mag. Hort._, =24=:131. 1858. =4.= _Horticulturist_, =13=:122, 166. 1858. =5.= _Am. Pom. Soc. Cat._, =1862=:90. =6.= _Am. Pom. Soc. Rpt._, =1862=:136, 140. =7.= _Ib._, =1881=:117, 119, 123, 136, 138, 153, 154, 158, 162, 168. =8.= _Bush. Cat._, =1883=:103. =9.= _N. Y. Sta. An. Rpt._, =9=:327. 1890. =10.= _Va. Sta. Bul._, =94=:135. 1898. =11.= _N. Y. Sta. An. Rpt._, =17=:531, 541, 544, 548, 552, 555. 1898. =12.= _Mo. Sta. Bul._, =46=:39, 42, 44, 46. 1899. HARTFORD PROLIFIC (1, 2, 3, 4, 5, 6, 8). _Steele's Seedling_ (4).