TRIANDRIA. MONOGYNIA. 2k. 
lix, S-celled; only one of the cells usually fer- 
tile. 
Flowers in fastigiate panicles. 
Species. 1. F. radiata. — 
$1. PHYLLACTIS. Persoon. 
Flowers involucrate; involucrum of 1-leaf, 
‘sheathing. Calix consisting ofa minute margin. 
Corolla trifid. Seed 1. (Style and stamina ex- 
' serted.) 
Stemless or cespitose plants with fusiform roots, entire 
leaves stellately disposed, and producing almost sessile 
flowers collected together in involucrate umbells. 
Species. 1. P?. *obovata. Stemless, root fusiform; 
leaves radiating, linear-spathulate, obtuse, hirsutely-pi- 
lose. (Flowérs not seen;‘time of appearing, October’). 
Haxitat. On bare hills around the Arikaree village, ¢ batt 
. nthe banks of the Missouri. (I give this with hesitation, © . 
_ Rot having seen a perfect ower, merely a flower bud.)— at 
There are3 are'3 othcr species of this genus in Peru. “t. Sy Pg 
tt Flowers superior, incomplete. aoe Se oth 
32. TRIPTERELLA. Michaux. V2GELIA. 
Gmelin? 
Calix tubular and prismatic, with alated 
margins, and a venticose base; limb 6-cleft, the 
alternating segments or teeth internal, minute _ 
and horizontal, covering the stamina. Corolla — 
0. Stigmas 3, capitate, Capsule 3-sided, 3-celled, 
many-seeded. Stamina included within the_ 
tube. 
Minute plants with simple stems, almost destitute of — 
distinct leaves. Flowers in short bifid cymose spikes, 
distinct or crowded like a capitulum. : 
Species. 1. T. capitata. Stem sctaceous; leaves remote, 
amplexicaule, and subulate; flowers disposed in a crowd- 
ed bifid cyme, as if capitulate, each flower furnished- | 
with alanceolate acute bracte, angles of the calix without Pee 
margins, ee 
Paladin: borders of sandy ponds in Carolina. (Also in 
yenne ) Flowers from May to July. The segments 
Tice yeti hh ete net 
