Dr. Engelmann. 
GRAPE MANUAL. . 
-_Hybridity. 19 
on rocky plains. In Missouriit is called Sand 
grape, in Texas ia on account of its lus- 
cious fruit, Sugar grape; with us it flowers 
after Raparia and ripens in August, and 
oa ae e a good wine. In France the 
V. Rupestris i is used, like the last species, as a 
stock f i 
gs 
orous plants, perfectly resistant to the insect. 
ViITIS Viniexax: Linneus. Here would be the 
place to introduce the Grape-vine of the Old World, as 
itis most nearly allied to the last enumerated species, 
ially to V. riparia. Though many a its culti- 
_ habe gs bear berries as large, or even larger, 
than those of any of our American Grape-vines, other 
ere forms, and especially the true wine-gra apes 
those from which the best wines are obt d, and 
wild or naturalized ones, have fruit not much 
I 
Sauaty ot thy plant, and whether or not we owe the 
different varieties of our present Vi 
via in their wild state at this day. 
of Berlin, suggested that they are the offspring 
go wild in poneses parts” of 
uthern E 
ered, not the accidental ping gn xe cultivated 
_ as is ed, but the original 
parent 
I may add, ag my own investigations, that 
the pea Beara which inhabits the native forests of t 
low banks of the Danube, — m- , as we 
into Hungary, 
ts o . cordifolia, oak its stems three, 
: ne inches thick, and climbing on the highest 
trees, its smooth and shining, scarcely lo leaves, 
and its small, black berries. On the other hand, the 
of these plants, greatly resemble the Italian plant just 
described. 
European Grape-vine characte y 
oothish, and, when young, shining, more or less 
epi! five or even seven-lobed lea ; lobes pointed 
istinct ; 
In some varieties the leaves 
Wien yUurse 
the seeds vary considerably i in thickness and lohgth, 
less so in the shape of the raphe. It is well known 
that the Plant grows readily fro m cuttings. and that 
t easily 
of the Phylloxera, which, accidentally introduced into 
France, feobe ably with A seen a pe 
immense damage in that country iar 
_ high up the seed. 
Leoed 
Europe, probably since 1863 (though only discovered : 
is spreading m 
as the virulent enemy in 1868, 
was the cause of the complete failure in all the efforts 
to plant the European vine east of the Rocky Mount- 
ains, is now well known. 
18. Virts VuLPINA, Linneus (known also 
as V, rotundifolia, Menens), the Southern Fox 
ullit ¢ grape, or Muscadine 
differ 
from all our other Grape-vines, and is men- 
tioned here only to complete the list of our 
species. It is too tender for our climate, and 
never flowers or fruits here. It is found in 
green, smooth, or rarely slightly ‘hairy 
beneath. with coarse and large or broad and 
bluntish teeth. The bunches are very small, 
HYBRIDITY, 
Plants, which are so intimatel y related 
— themselves, are apt to snaee te ana 
Ts is us ee et ee — 
hybrid anima (the male) or plant capable 
We have a number of : r 
ent 
— ee the White Seuipeiemone: ns 
