Its originator claims for America great resistance to heat and cold; and
our experience, though limited, confirms the claim. So, too, it is said
to be a suitable stock upon which to graft Vinifera varieties to resist
phylloxera, a matter concerning which our experience in this region
offers nothing, though the parentage strongly suggests such resistance
to be the case. The vigor of the vine and the luxuriance of the foliage,
probably still more marked farther south, cannot but make it an
excellent sort for arbors. But the fact must be emphasized that America
is preeminently of interest to the northern grape-grower because it
gives him an opportunity to make use in breeding work, of the qualities
of Rupestris and Lincecumii, southern species combined in this variety
and thriving in the combination in northern conditions.
[Illustration: AMERICA]
The grape described here was originated by Munson from seed of _Jaeger
No. 43_ pollinated by a male Rupestris. It was received at this Station
in 1892 which was practically the date of its introduction. America has
been widely tested by experiment stations and the reports of its
behavior are generally favorable.
Vine vigorous to very vigorous, usually hardy, produces heavy
crops. Canes long, numerous, of medium size, dark reddish-brown,
covered with heavy blue bloom; nodes enlarged, strongly flattened;
internodes of average length; diaphragm medium in thickness; pith
rather large; shoots glabrous, covered with blue bloom; tendrils
intermittent; long, bifid.
Leaf-buds open in mid-season, medium to small, of average length,
rather thick, conical to obtuse. Young leaves tinged on both sides,
making the prevailing color rose-carmine. Leaves healthy, inferior
in size, rather thin; upper surface attractive medium green,
glossy, smooth; lower surface light green, hairy; veins indistinct;
lobes lacking or faintly showing, terminal lobe acute; petiolar
sinus moderately deep and wide; teeth of average depth and width.
Flowers sterile, usually on plan of six, open late; stamens
reflexed.
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