258 
Three-ranked, with three vertical 
rows on a stem or axis. 
Throat, the top of 
the tubular part 
of a sympetalous 
corolla. 
Truncate, appearing 
as if cut squarely 
off, as the leaves 
of the tulip tree. 
Tubercled, covered 
with warty 
growths. 
Tubercular, having tubercles, or 
like a tubercle. 
Two-lipped, having 
the limb of the 
calyx or corolla 
divided into two 
lip-like portions, 
as in the Labiate. 
Two-ranked, with 
two vertical rows 
on a stem or axis. 
Two-lipped 
Utricle 
Unisexual, having in each flower 
only stamens or only pistils, not 
both. 
KEY AND FLORA 
Utricle, a small bladdery ovary 
wall. 
Versatile, turning freely on its 
support, as an anther on its 
filament. 
Whorled, arranged in a circle 
around an axis, as the leaves of 
some lilies. 
Wings, the side petals of a papilio- 
naceous flower. 
Zy gomorphic 
Zygomorphic, having bilateral sym- 
metry, as the corollas of many 
Leguminose. 
