AMARANTACE^E. 



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

 or smootliish ; 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-creuate {Gray). — Near the coast, Virginia to 

 Florida ((J ray). 



Order OLEACE2E. 



FORESTIERA, Poir. 



F. pubescens, Nutt. Leaves pubescent; drupe she rt-pedicelled, with 

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



Order ARISTOLOCHIACE^. 



ARISTOLOCHIA, Tourn. 



A. pentandra, L. Perennial, herbaceous, smootliish; 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. nyetagineus, Sweet. Stem smootliish, 4-angled, forking ; leaves 

 petioled, deltoid-ovate; flowers clustered, terminal; involucre 3 - 6-flowered, 

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

 August. — Stem l°-2° high. 



PISOXttA, Plum. 



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

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

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

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



Florida (Curtiss). 



Order AMARANTACE^E. 



ACNIDA, Mitchel. 



A. Floridana, Watson, stem branching from the base, erect or a9- 

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

 Stem, the fertile ones often in distant heads; utricle thin, rugulose, indchis- 



