Vine medium to weak, precariously hardy, unproductive, often susceptible to attacks of mildew. Canes short to medium, of average number and size, light brown; nodes enlarged, roundish; internodes short; diaphragm thick; pith nearly intermediate in size; shoots show some pubescence; tendrils intermittent, of average length, bifid. Leaf-buds about medium in size, short to medium, thick, conical to pointed, open very late. Young leaves tinged on under side and along margin of upper side with carmine; often heavily coated with thick, whitish pubescence. Leaves of average size, thick; upper surface light green, dull, smooth to medium; lower surface grayish-green, heavily pubescent, somewhat cobwebby; veins indistinct; lobes three to five with terminal lobe acute; petiolar sinus intermediate in depth and width; basal sinus shallow, medium to wide; lateral sinus shallow, wide; teeth not deep, of average width. Flowers nearly fertile, open late; stamens upright. Fruit ripens later than Concord, keeps well. Clusters above medium to small, sometimes double-shouldered, intermediate in length, somewhat slender, slightly tapering to conical, medium to loose; peduncle short and slender; pedicel intermediate in length, slender, nearly smooth, enlarged at point of attachment to fruit; brush of average length, not thick, pale green. Berries intermediate in size, uniform, oval to nearly roundish, dull, light and dark red, covered with thin lilac bloom, persistent, firm. Skin of medium thickness, tough, adheres considerably to the pulp, contains no pigment, slightly astringent. Flesh greenish, translucent, juicy, fine-grained, tender and melting, vinous, very good in quality. Seeds separate easily, one to four in number, average three, small and broad, plump, brownish; raphe usually obscure but sometimes distinct; chalaza small, nearly central, circular, distinct. Must 88°-100°. IRONCLAD. (Riparia, Labrusca.) =1.= _Ohio Hort. Soc. Rpt._, =1882-3=:131. =2.= _Gar. and For._, =5=:597. 1892. =3.= _Ill. Sta. Bul._, =28=:254. 1893. =4.= _Gar. and For._, =7=:509. 1894. =5.= _Bush. Cat._, =1894=:140. _Ash_ (1, 4, 5). _Diogenes_ (5). PEARSON'S IRONCLAD (4). _Pearson's Ironclad_ (5). _Scott_ (4, 5).