Colp. (Lab.) A wild vine of Vitis labrusca found in Maryland and used by Munson. Stamens depressed; cluster medium; berry large, white; ripens mid-season.
Columbia. (Rip.) Said to have been found by Major Adlum on his farm at Georgetown, District of Columbia, previous to 1830. Vigorous, productive; cluster small, loose; berries round, black, small; quality poor.
Columbia. (Lab.) From J. T. C. Clark, Washington, before 1883. Vigorous; cluster and berry medium, white; good; late.
Columbian. Originated about the same time as Columbian Imperial and probably identical with it. The literature of the two is so confused, Columbian Imperial having been sold as Columbian, that it is impossible to determine whether they are distinct.
Columbus. (Bourq. Aest. Rip.) From John Hertlein, Spielerville, Arkansas; parents, Delaware and Norton. Vigorous; bunches large, nearly compact; berries medium, black; sweet, pleasant flavor; ripens with Delaware.
Compacta. (Bourq. Vin. Lab.) A seedling of Herbemont crossed with Triumph; from Munson. Stamens erect; cluster large; berry small, white; ripens very late. Now discarded by originator.
Concord Chasselas. (Vin. Lab.) From G. W. Campbell, Delaware, Ohio, 1881; a cross between Golden Chasselas and Concord. Vigorous; cluster long, moderately compact, sometimes shouldered; berries large, oval, greenish-white; pure flavor; good; ripens with Concord.
Concord Muscat. (Vin. Lab.) A seedling of Concord crossed with Muscat; from G. W. Campbell. Vigorous; cluster compact, long, sometimes shouldered; berries large, oval, light greenish-white; flesh tender and melting; quality very good; ripens with Concord.
Concordia. (Lab. Bourq.) From Dr. J. Stayman, Leavenworth, Kansas. Vigorous, hardy; bunch large, compact; berry large, black; pulp tender, juicy, sweet, vinous; very good; ripens about with Concord.
Conelva. (Lab. Rip.) A seedling of Concord crossed with Elvira; from Munson. Vigorous, hardy; stamens upright; cluster medium, compact; berry medium, round, black; quality fair; ripens with Cottage.