402 AMARANTACE.E. (AMARANTH FAMILY.) 



2. IRESINASTRUM. Flowers diitcious, disposed in loosely panicled spikes. 



2. I. celosioides, L. Stem erect, smooth ; leaves ovate-lanceolate, 

 acute or acuminate at each end ; panicle oblong, nearly leafless ; spikes ob- 

 long, lengthening, white, the pistillate woolly. Dry soil, Florida, and north- 

 ward. July -Sept. Stem 2 -3 high. Leaves 2' -4' long. Panicle 

 8' -12' long. 



8. ALTERNANTHERA, Mart. 



Flowers perfect or dioecious, 3-hracted. Sepals 5, smooth or villous. Sta- 

 mens 5, united into a short cup at the base. Sterile filaments tooth-like : 

 anthers 1 -celled. Style short: stigma capitate or 2-lobed. Utricle indehisceut, 

 1 -seeded. Seed vertical, lenticular. Radicle ascending. Herbs. Leaves 

 opposite. Flowers capitate. 



1. A. Achyrantha, R. Br. Stems forking, pubescent ; leaves smooth- 

 ish, oval or obovate, narrowed into a petiole ; heads dense, oval, white ; sepals 

 lanceolate, spine-pointed, woolly with barbed hairs on the back, the two inner 

 ones much smaller ; sterile filaments subulate from a dilated and obscurely 

 denticulate base, as long as the fertile ones. Along roads and places much 

 trodden, Florida to South Carolina. June -Oct. ^ Stem 6' -12' long. 

 Leaves 1' long. 



9. TELANTHERA, R. Brown. 



Flowers perfect, 3-bracted. Sepals 5, erect. Stamens 5, united into a tube 

 below the middle. Sterile filaments elongated, flattened, fimbriate at the 

 apex : anthers 1 -celled, oblong. Style short : stigma capitate. Utricle inde- 

 hisceut, 1 -seeded, included in the calyx. Seed vertical. Radicle ascending. 

 Herbs or shrubs, with opposite leaves. Flowers capitate. 



* Cali/x sessile, the 3 exterior sepals longer : fiends sessile or nearly so. 



1. T. polygonoides, Moquin. Stem erect or prostrate, pubescent; 

 leaves oblong-obovate, hairy ; heads sessile, roundish, single or 2 - 3 together, 

 axillary and terminal ; sepals thin, ovate-lanceolate, twice as long as the 

 bracts, the outer ones 3-nerved, woolly at the base ; sterile filaments as long 

 as the fertile ones, 3 -4-cleft at the apex. On the coast of South Carolina, 

 Moquin. 



2. T. maritima, Moquin. Smooth and fleshy ; stem prostrate, branch- 

 ing, angled ; leaves wedge-obovate, very obtuse, mucronate ; heads roundish 

 or oblong, axillarv and terminal, dull straw-color; flowers crowded, 3-angled ; 

 sepals smooth, rigid, ovate, acuminate, 5-ribbed, with the margins mem- 

 branaceous, one third longer than the ovate keeled bracts; sterile filaments 

 longer than the fertile ones, 4 - 6-cleft at the apex. South Florida. Leaves 

 V - 2' long. Heads 4" - 6" long. 



* * Calyx raised on a short 5-angled pedicel, cylindrical; the sepals nearly 

 equal, liciiri/ : heads long-peduncle</. MOOIPHANES. 



3. T. Floridana, Chapm. Shrubby ; stem slender, elongated, forking, 

 remotely jointed ; sparsely pubescent, like the distant oblong or obovate 

 leaves ; peduncles terminal and in the forks, 4-6 times as long as the leaves ; 

 heads white, ovate ; sepals acute, 3 - 5-nerved, hairy, longer than the ovate 





