82 TREES OF THE NORTHERN UNITED STATES 
very showy in large clusters, with 5 white, 
purple and yellow spotted, broadly spread- 
ing petals. A variety with double flowers 
is in cultivation. May or June. Fruit 
large, covered with prickles. Seeds large, 
chestnut-colored. Tree of large size, with 
brown twigs; cultivated everywhere; 
from Asia. 
4isculus rubicunda (Red-flowering 
Horse-chestnut) is frequent in cultiva- 
tion; leaflets 5 to 7, red-spotted and rough; 
flowers.rosy red. It is-probably a hybrid 
i between the common Horse-chestnut and 
28, Hippocéstarum. one of the Buckeyes. 
2. Aisculus glabra, Willd. (OHIO 
Buckeye.) Leaves with 5 oval-oblong, 
acuminate, serrate, smooth leaflets. 
Flowers not showy, yellowish-white, 
with 4 somewhat irregular, slightly E 
spreading petals. June. Fruit small, 
1 in. in diame- 
ter, covered with 
prickles, at least 
when young; ripe 
in autumn. Small 
to large tree, wild 
in the basin of the 
Ohio River, along 
3 river-banks. Some- 
2. glabra. times cultivated. ®, rubicanda, 
3. Zsculus Pavia, L. (Rep BucKEYE.) Leaves of 5 to 7 oblong- 
lanceolate, finely serrate, generally smooth leaflets, of a shining 
green color, with purple veins and petioles. 
Flowers (corolla and calyx) bright red, with 
included stamens; corolla of 4 petals, not 
spreading; calyx tubular. Fruit smooth, ob- 
long-obovate, lin. long. Small tree or shrub, 
10 to 20 ft. high, with purple twigs. Virginia 
west and south, and occasionally cultivated 
throughout. 
2B. Pavia. 
4, Aisculus flava, Ait. (SWEET BUCKEYE.) Leaves with 5 to 7 
serrulate, elliptical, acuminate leaflets, usually smooth, sometimes 
