Leaf-buds open in mid-season, of average size, short, rather thick, conical to obtuse. Young leaves tinged with carmine on lower side extending beyond border of upper side. Leaves medium to very large, thick; upper surface dark green, glossy, smooth, slightly rugose on older leaves; lower surface pale green to indistinct bronze, pubescent; veins rather indistinct; lobes usually three, terminal lobe acute; petiolar sinus medium to deep, narrow, frequently closed and overlapping; lateral sinus shallow to a mere notch; teeth shallow, narrow. Flowers open in mid-season, sterile; stamens reflexed. Fruit ripens about a week later than Moore Early, keeps well. Clusters of average size or sometimes larger, medium to short, rather broad, irregularly tapering, not uniform, usually single-shouldered, loose to nearly compact; peduncle long to medium in length, somewhat thick; pedicel longish, thick, wide at attachment to berry, covered with numerous large warts; brush short, thick, greenish or with brown tinge. Berries resemble Black Hamburg in general appearance but somewhat variable, averaging large, oval to roundish, dark purplish-red or black, dull, covered with thick blue bloom, hang well to pedicel, firm. Skin of average thickness, tough, adheres slightly to pulp, contains a small amount of bright red pigment, strongly astringent. Flesh greenish, translucent, somewhat tough, stringy, agreeably tart at skin but acid at center, good in quality, resembling Black Hamburg. Seeds adherent, one to four, averaging three, large, rather broad, long, plump, somewhat blunt, light brown; raphe usually obscure; chalaza somewhat large, above center, irregularly circular, distinct. AUTUCHON. (Riparia, Labrusca, Vinifera.) =1.= Downing, =1869=:530. =2.= _Grape Cult._, =1=:325, 334, 368. 1869. _fig._ =3.= _Horticulturist_, =24=:19, 1869. =4.= _Ib._, =25=:74. 1870. =5.= _Grape Cult._, =2=:265. 1870. =6.= Barry, =1872=:424. =7.= _Horticulturist_, =27=:14. 1872. =8.= _Montreal Hort. Soc. Rpt._, =1881=:159. =9.= _Bush. Cat._, =1883=:71. _fig._ =10.= _Minn. Hort. Soc. Rpt._, =1884=:249. =11.= _Can. Cen. Exp. Farms Rpt._, =1891=:134. =12.= _Traité gen. de vit._, =5=:200. 1903. ARNOLD'S NO. 5 (3). _Arnold's No. 5_ (1, 2, 4, 5, 6, 8, 9, 10, 12).