MONOECIA, HEXANDRIA. 
163 
3. A. glomeruli axillary, in pairs, triandrous ; Hindis? 
masculine flowers triphyllous ; leaves elliptical, 
emarginate, undulated on the margin. — Willd. 
Amaranth. 
Green-flowered Amaranth. 
Also a weed, found among rubbish ; but rather rare. An- 
nual. July, August. 
4. A. racemes pentandrous, terminal, compound ^ spiaosus. 
axills spinous. — Willd. Amaranth. 
Prickly Amaranth. 
One of the commonest weeds in our country — it always 
grows in large quantities together. Stems red and sometimes 
the leaves. About two feet or more high, very much branched. 
In the streets of the suburbs of our city and liberties, and all 
the villages in the neighbourhood; in wastes and on road- 
sides ; abundant. Full of thorns. Annual. All summer. 
ORDER VI. HEXANDRIA. 
354. ZIZANIA. Gen. pi. 1433. {Gramineae.) 
Masc. Calix none. CaroUa S-valved^ awn- 
less. Fem. Calix none. Corolla 2-valved, 
cucullate^ awned. Style 2-parted. Seed 
invested by tlte corolla. — 
1. Z. panicle pyramidal, masculine, divaricating aqnatica. 
below, above spiked and feminine; props of the 
flowers clavate, awned, long ; seed long.— 
Pursh. 
Z. aquatica, Lambert, in Lin. tran. 7. p. 264. 
Z. palustris, L. Mant. 295. Gron. Virg. 148. 
and Schreber, Gram. p. 54. t. 29. 
Z. clavulosa, Mich. 
Icon. Lambert, as above, (excellent.) 
