AMARANTHACEAE 477 
cuneate, obovate or elliptic, 1.5-6 em. long, rounded at the apex or acutish: 
sepals ovate to ovate-lanceolate, the outer ones becoming 4-5 mm. long, the 
acuminate apex rigid: utricle obovoid. [Alternanthera maritima St. Hil. 
Telanthera maritima. Moq.]— "ia E wis jus ee coastal and interior, 
pen. Fla and the Keys.—(W. I 4.) —A1l y 
5. A. philoxeroides (Mart.) x ed Stem and branches decumbent or r pros- 
trate, stout, often fistulous, 3-15 em. long, glabrous, except at the leaf-axils, 
and sometimes near the tips: leaf- blades 3-11 em. long, acute obtuse: sepals 
l A 
lanceolate, elli iptic, or ovate-elliptic, becoming 6 mm. long. lternanthera 
P d Griseb.]—Low waste-places, ponds, ditches, bayous, and slow 
streams, Coastal Plain, Fla. to La. and N. f Nat. E. S. A.—All year.—In 
souther pedet this plant is as much of a pest as water hyacinth, often 
filling P ditches and bayous with a Agate mass of peat PAE choki ing 
out other plants. 
6 A. ramosissima (Mart.) Standley. Stem usually much-branched, the 
branches i spreading, reclining, or even vine-like, 5-400 em. long, more 
r less strigose, sometimes TAn leaf-blades elliptic or oval, varying to 
low 
broadest above the middle or be t, acuminate, mostly 2-9 cm. long: sepals 
lanceolate to ne bii becomin ng 4—5 mm. long. ETRAS florida 
Chapm. T. bras a (Chapm. Fl). Alternanthera bras a Uline & Bray 
Alternan thera foridang Small Re glee Moquinii aL not Webb.]— 
Hammocks, S Fla.—(W. I., S. A.)—All y 
6. GOMPHRENA L. Herbs (ours mostly perennials). Leaves opposite: 
blades entire. Flowers perfect, usually in terminal head-like spikes. Sepals 5, 
short style.—About 90 species, widely dis- 
tributed, but most abundant in South 
America. 
1. G. dispersa i mo ies and branches 
mbe 
diffu bi or dee nt, somewhat appressed- 
pubescent: le af. blades E elliptic- 
spatulate, or elliptic, 2-5 em. long: bractlets 
becoming 5-6 mm. long, white or purplish- 
: at lan 
NT 
BUTTON. wb plaees aa roadsides, ow tal Plain, Fla. to Nat 
trop. — , Mez., C. A.)— A fav orite plant in old tus gardens. — 
The ae are "white, yellow, purple, or red. 
7. IRESINE R. Br. Herbs with erect or diffuse stems. Leaves opposite: 
blades broad. Flowers dioecious, paniculate. Sepals 5, equal, obtuse, acute, or 
acuminate. laments united at the base. Staminodia wanting. Stigmas ses- 
sile.—About 20 species, natives of temperate and tropical regions.—The flowers 
are white, pink or greenish. 
Plant annual, but sometimes persistent for more than a year from a stout e DES 
sepals of the Ds flowers 3-veined, obtuse. 1. I. Celos 
Plant perennial from ongate FOOL oes Sepals of the pistil- 
late flowers faintly 1-veined, acute, 2. I. rhizomatosa. 
