TREES OF THE NORTHERN UNITED STATES 



JE. Hippocdstanum. 



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. 



^Esculus 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 

 between the common Horse-chestnut and 

 one of the Buckeyes. 



2. <ffisculus glabra, Willd. (Onio 

 BUCKEYE. ) Leaves with 5 oval-oblong, 

 acuminate, serrate, smooth leaflets. 

 Flowers not showy, yellowish-white, 

 with 4 somewhat irregular, slightly 

 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 

 river-banks. Some- 

 times cultivated. 



JE. rubicunda. 



3. JEsculus Pavia, L. (RED 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, 1 in. long. Small tree or shrub, 

 10 to 20 ft. high, with purple twigs. Virginia 

 west and south, and occasionally cultivated 

 throughout. 



4. JEsculus flava, Ait. ( SWEET BUCKEYE.) Leaves with 5 to 7 

 serrulate, elliptical, acuminate leaflets, usually smooth, sometimes 



