CYRILLACEAE. 189 
CuirTonNIA. Buckwheat Tree. 
(Family Cyrillaceae). 
Shrubs: evergreen. Twigs 
rather slender and 3-sided: pith 
small, more or less 3-sided, con- 
tinuous, pink. Buds small, ses- 
sile, solitary, ovoid, with about 2 
exposed scales. lLeaf-scars alter- 
nate, shield-shaped, often acutely 
angled at the sides, fringed at 
the top: bundle-trace 1, trans- 
verse, sometimes broken: stipule- 
sears lacking. Leaves obovate- 
oblanceolate, entire, subsessile, 
thick and nearly veinless. 
The single species of Cliftonia 
has been known as C. nitida and, 
more commonly, C. ligustrina. The 
specific name monophylla which it 
bears now has been restored of 
late years because it was applied 
to the plant before either of the 
others, though under another ge- 
nus, Ptelea, to which Lamarck referred the plant because of 
the winged fruits to which it owes also its common name of 
buckwheat tree. 
Twigs gray, glabrous: leaves puberulent, glaucous. 
C. monophylla. 
