G44 



AMARANTACE^. 



G. SUberoSUS, R. Br. Leaves cordate, acuminate, minutely pubescent 

 or smoothisli ; umbels 3- 9-t!owered, much shorter than the petiole ; corolla 

 broadly conical in the bud, twisted, the lobes triangular-lanceolate, dusky, 

 minutely pubescent within, but sometimes smooth, hardly double the length 

 of the calyx-lobes ; crown 10-crenate ( Graij). — Near the coast, Virginia to 

 Florida ( Gray). 



Order OLEACE^. 



FORESTIERA, Poir. 



P. pubescens, Nutt. Leaves pubescent; drupe shcrt-pedicelled, with 

 the nut striate ; otherwise like F. lujustrina. — Florida, and westward. 



Order ARISTOLOCHIACE^. 



ARISTOLOCHIA, Tourn. 



A. pentandra, L. Perennial, herbaceous, smoothish ; stem prostrate 

 or twining (2°-:j° long); leaves ovate, cordate; flowers axillary; limb of 

 the calyx lanceolate, acuminate, deep green, much longer than the 5-angled 

 tube; stamens 5. — Miami, South Florida (Garbei-). 



Order NYCTAGINACE^. 



OXYBAPHUS, Vahl, 



O. nyctagineus, Sweet. Stem smoothish, 4-angled, forking ; leaves 

 petioled, deltoid-ovate ; flowers clustered, terminal; involucre 3 - 5-fiowered, 

 becoming large and veiny. — West Tennessee, and westward. July and 

 August — Stem l°-2° high. 



PISONIA, Plum. 



P. rotundata, Griseb. Spineless ; leaves obovate, rounded at the base, 

 short-petioled (V long) ; cymes divaricate, sessile or short-peduncled ; flowers 

 clustered; sterile calyx 5-tootlied, the fertile one clavate-oblong, obtuse- 

 angled, glandular above the middle, the glands stipitate. — Keys of South 

 Florida ( Curtiss). 



Order AMARANTACE^. 



ACNIDA, Mitchel. 



A. Fl0];idana, Watson. Stem branching from the base, erect or as- 

 cending; leaves lanceolate; flowers in clusters along the upper part of the 

 stem, the fertile ones often in distant heads ; utricle thin, rugulose, indehie- 



