

AMARANTACE^E. 



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

 or smoothish ; umbels 3-9-flowered, 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 [Gray). — Near the coast, Virginia to 

 Florida [Gray), 



Order OLEACE.E. 



FORESTIERA, Poir. 



F. pubeseens, Nutt. Leaves pubescent; drupe shcrt-pedicelled, with 

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



Oedee ARISTOLOCHIACEiE. 



ARISTOLOCHIA, Tourn. 



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

 or twining (2°-3° 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 [Garber). 



Order NYCTAGINACE^E. - 



OXYBAPHUS, Vahl. 



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

 petioled, deltoid-ovate ; Mowers clustered, terminal; involucre 3- 5-flowered, 

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

 August. — Stem l°-2° high. 



PISONIA, Plum. 



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

 short-petioled (V long) ; cymes divaricate, sessije or Bh or t-ped uncled; flowers 

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

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

 Florida [Curtiss). 



Order AMARANTACEJE. 



ACNIDA, MitcheL 



A. Floridana, Watson. Stem branching from the base, erect or as- 

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



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



