Crystal. (Lab.) A native grape found by S. D. Case, Canton Center, Connecticut. Vigorous; cluster medium; berries large, oblate, green with white dots; sweet, juicy.
Culbert Seedling. (Lab. Vin.) From Dr. W. A. M. Culbert, Newburgh, New York. Parents, Iona crossed with Muscat Hamburg. Bunch and berry large; purplish-black; good.
Curtis. Stetson’s Seedling No. 4. From Nahum Stetson, Bridgewater, Massachusetts; mentioned in the Magazine of Horticulture in 1857 as being a seedling of “superior flavor”.
Curtis. (Linc. Vin. Lab.) Parentage, Post-oak No. 3 crossed with Triumph; from Munson in 1889. Stamens erect; cluster large; berry medium, black; ripens mid-season.
Cuyahoga. (Lab. Vin.?) Coleman’s White; Wemple; Wemple’s Seedling. Found by a Mr. Wemple at Euclid, Ohio, previous to 1859, and named after the county in which it was found. Vigorous; cluster large, shouldered, compact; berries large, round, covered with bloom, pale yellowish-green tinged with amber; pulp melting, juicy, sweet, fine musky flavor; ripens about with Catawba.
Cuyarano. (Lab.) Given in a list of native fox grapes in the report of the Department of Agriculture in 1869.
Cyncon. (Lab. Aest.) A seedling of Cynthiana crossed with Concord; from Munson. Vigorous, healthy, dark green foliage; bunch long; berry black; late.
Dana. (Lab.) A seedling from Francis Dana, Roxbury, Massachusetts, about 1860. Vigorous, hardy, mildews slightly; bunch medium, shouldered, compact; berries large, nearly round, red with heavy bloom; free from pulp as Delaware, not as sweet; ripens about with Concord.
Danbury. (Lab.) A chance seedling from H. C. Coble, Danbury, Connecticut. Hardy, healthy; bunches medium, compact, sometimes shouldered; berries large, black; flesh tender, mild, sweet; good; ripens earlier than Hartford.
Daphne. (Lab. Vin.) A seedling of Telegraph crossed with White Frontignan; from Chas. J. Copley, Stapleton, New York, about 1875. Very vigorous, hardy, healthy, productive; bunch medium to large with very long stem; berry medium to large, white; without pulp, sweet, rich, Muscat flavor; ripens early.