40G KurnoRniACK.T:, (sitrok family.) 



Fields and nround dwellings, Fioridii, and northward. July -Sept. — Stem 

 1°- 2° lii^di. Loaves, with tlie i)etiole, 4' -5' long. 



2. A. gracilens, Gray. Annual, downy ; stem slender, erect or ascend- 

 ing; leaves sliort-petioled, lanceolate, oliseurely serrate or entire; staniinatc 

 spikes mostly many-flowered and longer than the ovate-serrate or toothed 

 bracts, with 1-3 pistillate flowers at the base ; capsule hairy. — Sterile soil, 

 Florida, and northward. July - Sept. — Stem 6'- 18' high. Leaves I'-l^' 

 long. 



3. A. COrchorifolia, Willd. Perennial ; stems several from a thick and 

 woody root, prostrate, i)ul)escent, simple or sparingly branched ; leaves short- 

 pctioled, ovate and oblong, obtuse, crenatc, hairy ; pistillate flowers numerous, 

 crowded at the base of the slender staminate spike, each sunounded by a 

 round-ovate hairy toothed bract ; capsule bristly; seed ovoid, smooth. — South 

 Florida. — Stems 4' -6' long. Leaves rigid, 6" -8" long. Spikes mostly 

 terminal. 



* * Staminate and pistillate Jlowers on separate spikes. 



4. A. Caroliniana, Walt. Annual ; stem erect, much branched, pubes- 

 cent ; leaves thin, smooth, cordate-ovate, sharply serrate, long-pctioled ; stami- 

 nate spike lateral, small, the minute white flowers pedicelled ; pistillate spike 

 terminal, stout, many-flowered ; bracts cut into several subulate lobes ; capsule 

 bristly; seeds silvery, pitted. — Cultivated ground, Florida to Mississippi, and 

 northward. July - Sept. — Stem 1^-2° high. Leaves 2' -3' long. 



6. TRAGIA, Plum. 



Flowers monoecious, apetalous, in slender racemes. Sterile flowers few or 

 numerous, caducous. Caly.v 3 - 4-parted. Stamens 2-4, with short and sepa- 

 rate filaments. Fertile flowers few or solitary at the base of the raceme. Calyx 

 5 - 8-parted. Style 3-cleft : stigmas entire. Capsule bristly, of three globose 

 1-eelled, 1-scedcd, 2-valved carpels. — Pubescent or bristly herbs, with watery 

 juice. Leaves alternate. Racemes opposite the leaves and termmal. Bracts 

 small, entire, persistent. Flowers minute, greenish. 



1. T. urens, L. Low, downy or hairy; stem at lengdi much branched; 

 leaves nearlj' sessile, varying from broadly ovate or oblong-ovate, and serrate or 

 toothed throughout, or only at the apex, to linear and entire, obtuse, paler be- 

 neath ; racemes shorter than the leaves and few-flowered, or elongated and 

 many-flowered. (T. linearifolia, Ell., the narrow-leaved form.) — Dry sandy 

 soil, Florida, and northward. May -Aug. y. — Stem 6'- 12' high. Leaves 

 1'- 2' long. 



2. T. urticifolia, Michx. Bristly, with stinging hairs , stem erect, spar- 

 ingly branched ; leaves petiolcd, deltoid-ovate or oblong, coarsely serrate, trun- 

 cate or cordate at the broad base, pale beneath , racemes shorter than the leaves, 

 the sterile flowers somewhat crowded; capsule very bristly - Dry soil, Florida 

 to North Carolina, and westward. June -Sept. y.— Stems l°-2° high 

 Leaves l'-2' long. 



