188 
DIADELPHIA DECANDRIA. 
rachi squarrosa. 
cemes ; rachis squar- 
rose. 
Mich. 2. p. 54. Pursh 2. p. 739* 
P. Cymosa. Walt. p. 179- 
P. Attenuata. Nutt. 2. p. 90. 
Stem erect, terete, tapering, 3 — 5 feet high. Root leaves 2 — 5 inches 
long, very narrow, linear, lanceolate ; lower stem leaves nearly similar to 
the root leaves, scattered, diminishing towards the summit to a mere scale, 
giving the stem a naked appearance. Flowers in a regular corymb, com- 
posed of simple racemes 1 — 2 inches long; rachis as the flowers decay, 
tendered squarrose by the persistent bracteas. Calycine wings oval, 
slightly miieronate, much longer than the capsule, greenish yellow. Seeds 
smooth. 
The flowers of this species when dry, become a dark green, almost blacky 
the two preceding species generally retain a yellowish hue. 
Grows in the shallow ponds in the pine barrens, very common- 
Flowers June — August. 
DECANDRIA. 
1. Stamens all connected, monad el- 
PHOUS. 
AMQRPHA. 
Calyx campanula- 
tus, 5-fidus. Corollce 
vexillum ovatum, con 
eavum. Alee carina- 
que nullae. Legumen 
1 — 2 spermum, falca- 
tum. 
1. F RUTICOSA., 
A. glabra, subarbo- J 
cescens 5 foliis petio- | 
Gen. Pl. 1170* 
Calyx campanu- 
late, 5-cleft. Corolla 
with the vexillum o- 
vate, concave. Wings 
and keel wanting. 
Pod (Legumen) 1 — 2 
seeded, falcate. 
Glabrous, somewhat 
arborescent ; leaves 
