XCIX. POLYGONACER, 261 
Orper XCIX. POLYGONACEZ. 
Perianth-segments 6, 5 or fewer, free or shortly united at the base, 
imbricate in the bud and more or less in 2 rows, regular and equal or 
: js 
: to them; anthers with 2 parallel eells. Ovary free, with a 
single erect orthotropous ovule. Styles or style-branches 2, 3 or rarely 
i ruit 
À considerable Order dispersed over every part of the globe. Of the four eder 
N istributi ially in tempera ons of both the 
von d the Old World, another extends through New Zealand to Antarctic and Andine 
Fd the fourth belongs to the Mediterranean and South African regions of the Old 
ia. 
erianth-< : ‘ : 
gihsegments 6, the 3 inner ones closing over the fruit. 
“mens 6. Styles 3. Stigmas fringed 
NE and spinescent, the inner short and erect . . - . Emex. 
12 perianth with the outer segments small and recurved, 
: coa qu and closed over the fruit. . . +. + + > 
ai ents 5, nearly equal. Stamens 8 or fewer. 
vers mostly hermaphrodite, St style-branches 2 or 3; 
stigmas entire, - ges yide * iei i a. alate E MR UN 
ia more or less diecious. Styles or style-branches 3; stig- 
more or less fringed, or rarely entire . . + + + * * 
2. Rumex. 
^ 
F1 
p 
B 
> 
EB 
4. MUHLENBECK1A. 
1. EMEX, Necker. 
. Flowers monccious. Male fl.: Perianth-segments 5, equal, 2 i 
ae Perianth with 
ding sometimes a few females. 
*sides the Australian species, which is identical with a South African one, and 
