XXX. 1. THREE-LEAVED BLADDER-NUT. ATT 
The fruit is 1- to 5-celled, membranous, drupaceous, capsular 
or fleshy, with ascending seeds. 
T'wo genera are found in Massachusetts : 
1. Staphyléa, with ternate leaves, and 
2. Celastrus, with alternate, simple leaves. 
XXXIL 1. THE BLADDER-NUT. STAPHYLEM. L. 
A genus of a few species of American and European shrubs. 
Flowers perfect. Sepals 5, oblong, erect, colored, persistent. 
Petals 5. Stamens 5. Ovary of 3 carpels united at the axis. 
Styles separate or separable. Fruit a membranaceous and in- 
flated, 2- to 3-celled, 2- to 3-lobed capsule. Seeds globose, 
ascending, few, or, by abortion, solitary, in each cell; albumen 
little or none. Leaves 3- to 7-foliolate. Flowers white; the 
racemes sometimes panicled. 
Tue Turee-Leavep Biapper-Nor. SWS trifolia. L. 
An irregular, handsome, tall shrub or small tree, with spread- 
ing branches, growing on the borders of damp woods. It rises 
to the height of eight to fifteen feet, and is of rapid growth, the 
shoots and offsets often making five feet or more in a season. 
The shoots are of a light green, thickly dotted towards the base 
with white dots, which enlarge in the succeeding years, and 
give the purplish brown branch a beautifully striated appear- 
ance. ‘The trunk is of a light gray color, with linear, white 
cracks. The leaves are opposite, on long, channelled, or angu- 
late footstalks, somewhat hairy towards the end; leaflets 3, 
broad-oval or ovate, rather acute at base, acuminate, finely ser- 
rate, light green and smooth above, lighter and somewhat hairy 
beneath. The flowers are in terminal or axillary, pendulous 
racemes, with opposite fascicles of flowers, and linear bracts at 
the base of the partial footstalks. Calyx a circle of 5 oblong 
sepals, often tinged with pale rose color, embracing a circle of 5 
obovate, reflected petals, alternate with the sepals, contracted 
towards the base and folding so as to form an imperfect tube, 
ciliate below. Five slender, thread-like filaments, opposite the 
sepals, with yellow anthers, show themselves above the co- 
