Knob Mountain. A variety mentioned in 1869 by the United States Department of Agriculture as under trial.
Kosomo. (Lab. Linc. Vin. Bourq.) A seedling of Delago crossed with Beacon; from Munson in 1899. Stamens reflexed; cluster large; berry large, purple; ripens mid-season.
Kramer Seedling. (Lab.) A seedling of Concord; from J. C. Kramer, of La Crescent, Minnesota. Vine resembles Concord but not thrifty; fruit resembles Concord but is sweet and with a spicy flavor.
Krause. (Bourq. Lab. Vin.) A second generation Herbemont-Niagara cross; from Munson, in 1908. Munson says, “Vine vigorous, usually healthy, very prolific; clusters large, handsome; berries medium size, pearly white, fine quality; promising for Southwest.”
Kruger. (Linc. Rup. Lab. Vin.) Parents, America by R. W. Munson; from Munson, in 1899. Stamens erect; cluster very large; berry medium, black; ripens late.
Labe. An accidental seedling from Lebanon, Pennsylvania, about 1850. Vigorous, hardy; bunch small, short, loose; berry black; flesh tender, sweet.
Lacon. (Lab.) A seedling of Concord from D. H. Wier, Lacon, Illinois, about 1862. Medium in vigor, hardy; bunch small; berry medium, black; Concord flavor.
Laconia. (Lab. Vin.) From Jos. N. Sanborn, Laconia, New Hampshire. Received at this Station in 1903 for testing but has not fruited. Rather weak grower; self-sterile.
La Crissa. (Bourq. Lab.) Sacrissa; Saccharissa. A Delaware seedling; from J. Sacksteder, Louisville, Kentucky. Vigorous; berry small, white; good.
Ladies. (Lab.) Mentioned by Downing in 1845 as a fox grape with a strong scent, harsh flavor and of no value for dessert.