O. 5. Taccaceae. Hbae grandes^ radice tuberosa, sca- 
pigerae, foliis pedato-pinnalifidis v. integris; flo- 
rib. umbellatis, invohicratis : perigon. 6-partit. per- 
sistens, passim irregulare; stamina 6, filamentis 
concavo fornicatis. Amallliaea 5-valvis, baccata, 
teichosperma : 
Tacca^ Ataccia. 
Class. XIV. Amaranthoideae. 
Hypogynae, albuminosae, curvembriae — utplurimum. 
O 1. Polygonaceae. — Hbae, frut. arbores — cau- 
le articulato, nodoso, foliis altern. integris, pas- 
sim oebreatis ; florib. axillar. solitariis v. spicatis 
et paniculatis: perigon. 3 — 6-partitum^ stamin. 
5 — 6 — 9, ovario 2 — 5-stigmeo. Utriculus trique 
ter, quibusdam nucamentaceus et 5-locularis; em 
bryo antitropus, curvatus, albumini appositus v. 
centralis : 
Koenig-ia^ Hwnexy ILmex, Oxyria, Hheum^ Coc> 
coloba^ Atraphaxis^ Poly^onttm^ Fagopyrum^ CaV- 
ligonum, 
O. 2. Amaranthaceae. — Hbae v. frut. caule an- 
gulato, subnodoso, fpl. sparsis v. oppositis, inte- 
gerrimis ; florib. liermaphr. bracteat. glomeratis, 
spicatis V. paniculatis: perigonium scariosum persis- 
tens, segmentis 5 — 1 — 5; stam. hypogyna, opposita, 
isctepala v. pauciora, — c. parastemonibus ; ovarium 
1 — 00 -ovulat., 2 — 4-stigmeum. Utriculus v. capsu- 
la 00 -sperma unilocular. , raro baccata ; placenta 
basilaris, embryo amphitropus, radicula prope hilum: 
