Spanish Buckeye 



669 



Central America and northern South America. In Cuba it attains a height of 

 12 meters or more, with a trunk at least 3 dm. thick. 



The young twigs are finely hairy, becoming smooth and brown. The leaflets 

 vary in number from 5 to 15 ; they are oblong to oblanceolate, narrowed at the base, 

 firm in texture, 6 to 15 cm. long, short-stalked, blunt, strongly pinnately veined, 

 shallowly toothed, quite hairy when young, smooth, dark green and shining on 

 the upper side when mature, dull green and more or less hairy on the under surface. 

 The flower-clusters are finely hairy and as long as the leaves or longer; there are 

 5 sepals, 5 rounded petals about as long as the sepals, and about 8 stamens, those 

 of the staminate flowers rather longer than the petals; the style is short and 3-cleft. 

 The capsule is rather sharply 3-lobed, top-shaped, 11 to 14 mm. long, its stout, 

 stalk-like base about 5 mm. long. 



V. SPANISH BUCKEYE 



GENUS UNGNADIA ENDLICHER 

 Species Ungnadia speciosa Endlicher 



NGNADIA is a monotype, occurring in Texas, New Mexico, and 

 northern Mexico. It sometimes forms a tree about 10 meters high, 

 a trunk 2 dm. thick, but is usually smaller and often shrubby. It 

 grows on hillsides, in canons, and along streams, and is known also 

 as Texan buckeye. 

 . The thin light gray bark is fissured, the twigs round, slender, finely hairy, 



Fig. 622. Spanish Buckeye. 



becoming smooth and light brown. The buds are small and nearly globular. 

 The alternate leaves are pinnately compound, long-stalked, the leaflets usually 5, 



