Rockland Favorite. (Lab.) A Concord seedling from Rockland, Massachusetts, introduced by Ellwanger & Barry as earlier, hardier and better than its parent. Bunch and berry large, black; sweet, juicy.
Roenbeck. (Vin.?) A chance seedling originated on the grounds of Jas. W. Trask, Bergen Point, New Jersey; first fruited in 1870. Fairly vigorous, hardy, very productive, with tendency to overbear; clusters medium, compact, shouldered; berries medium, roundish, slightly flattened; skin thin, tough, greenish with yellowish tinge, white bloom; pulp nearly transparent, melting, juicy, sweet, vinous; fair to good.
Rogers’ No. 5. (Lab. Vin.) One of Rogers’ unnamed hybrids; a seedling of Mammoth Globe crossed with Black Hamburg. Vigorous, not always hardy, moderately productive; tendrils continuous to intermittent; leaves large; stamens reflexed; self-sterile; cluster medium size, rather loose, frequently shouldered; berries large, roundish to oval; skin thin, tough, dark red to purplish-black; slightly foxy and vinous; good; ripens with Concord.
Rogers’ No. 13. (Lab. Vin.) Parentage, Mammoth Globe crossed with White Chasselas. Vigorous, not always hardy, uncertainly productive; tendrils continuous to intermittent; stamens upright; self-fertile or nearly so; clusters medium, rather loose; berries large, roundish to oblate; skin medium thick, rather tender, dark red to almost black; flesh tender, foxy, rather sweet, vinous; good; ripens with Concord; not a good keeper.
Rogers’ No. 24. (Lab. Vin.) Parents, Mammoth Globe crossed with Black Hamburg. Vigorous, productive, not always hardy; tendrils continuous to intermittent; stamens upright; flowers nearly self-fertile; clusters large, attractive, short, rather broad, variably compact; berries rather large, roundish to slightly oval, persistent; skin rather thin, rather tough, medium to light red; flesh somewhat tough, stringy, sweet, vinous; good; resembles Goethe and of about the same season.
Rogers’ No. 32. (Lab. Vin.) A cross of Mammoth Globe and Black Hamburg. Moderately vigorous, usually hardy; tendrils continuous, sometimes intermittent; stamens upright; flowers partly self-fertile; cluster medium size, usually shouldered; berries large to medium, roundish to slightly oblate; skin rather thick and tough, dark red; flesh slightly tough, sweet, vinous, musky; very good; ripens after Concord and sometimes unevenly.
Rombrill. (Lab. Rip. Vin. Bourq.) A cross of Rommel and Brilliant; from Munson in 1897. Cluster large; berry large, yellow; medium early; self-fertile.
Rosalie. (Lab.) One of E. W. Bull’s seedlings, exhibited by him before the Massachusetts Horticultural Society in 1874. Bunch large; berry red; very foxy; shatters.
Roscoe. (Lab. Bourq. Vin.) A seedling of Delaware crossed with Martha; from Munson, about 1888. Vigorous, healthy, moderately productive; clusters resemble Delaware in size and shape; berries medium, nearly round, white or pale green with white bloom; skin thin, tough; pulp tough, nearly sweet, sprightly; good; ripens with Delaware; self-sterile.
Rose. (Lab. Vin. Bourq.) A seedling of Delaware fertilized with Iona; from J. H. Ricketts, about 1873. “Bunch four inches long, compact; berries three-fourths of an inch in diameter, reddish purple; skin thick; pulp very tender, sprightly; very good; one of the earliest.”