588 PHYTOLACCACEZ RUMEX 
OXYRIA 
flowering branches suberect, sparingly leafy below: pedicels slender, about. 
twice as long as the fruit, tumidly jointed toward the base: inner sepa!s 
not very conspicuously veined, about 3 lines long, ovate-oblong, with 3-5 
thin triangular teeth on each side, mostly confined to the lower half, the 
triangular entire apex mostly acute: callosities smooth, one usually larger 
than the others. Common along roadsides and in pastures: naturalized 
from Europe. 
"R. persicarioides L. 1. c. Pubescent and pale green annual: stems 
rather stout, erect and simple or diffusely branched, 1-3 feet high, some- 
times spreading or creeping, very leafy: leaves lanceolate or oblong, nar- 
rowed or sometimes cordate or sagittate at base, acute, the margins more 
or Jess undulate or crisped, 1-12 inches long: panicle simple or compound: 
racemes erect, leafy-bracted, usually interrupted : pedicels capillary, twice 
as long as the fruit, tumidly jointed at the base: inner sepals oblong, a 
line long with 1-3 bristles on each margin, each bearing an oblong callosity. 
Brit. Columbia to California, and the Eastern States and Canada 
7 OXYRIA Hill Veg. Syst. x, 24. (1765) 
Low perennial herbs with acid juice, mostly radical leaves and 
small perfect flowers in naked panicled racemes. Calyx unequal- 
ly 4-parted, the outer segments smaller than the inner. Stamens 
6, included: filaments short, subulate, glabrous: anthers oblong. 
Ovary 1-celled: ovule solitary. Style short, 2-parted, its branches 
divergent: stigmas fimbriate, persistent, Achenes compressed 
and thin, broadly winged. 
0. digyna Campd. Monog. Rum. 155 t, 5. fig. 3. Rootstock large, 
chaffy: stem slender, scape-like, simple or sparingly branched, leafless or 
nearly so, 2-12 inches high: Jeaves reniform or orbicular-reniform, 6-18 
lines broad, undulate, sometimes emarginate, long-petioled: ocreae oblique, 
loose, those of the stems bearing flowers: racemes many-flowered ; flowers 
slender-pedicelled: calyx segments oblong, the inner erect, the outer re- 
fiexed in fruit: achenes pointed, smooth, surrounded by a broad membran- 
ous wing. On high mountains, California to the Arctic Circle and across 
the continent: also northern Europe and Asia. 
OrDER LXXVI PHYTOLACCACE Lindl. Nat. Syst. 231. 
Herbs shrubs or trees with alternate leaves and perfect reg- 
ular polygamous or moncecious’ usually racemose flowers. 
Caiyx 4-5-parted or of 4 or 5 distinct sepals, imbricated 
in the bud. Stamens as many as divisions of the calyx and 
alternate with them, or more numerous, hypogynous: filaments 
subulate or filiform: anthers 2-celled, the cells longitudinally 
dehiscent, often nearly separated. Ovary superior, several- 
celled, with a solitary amphitropous ovule in each cell. Styles 
as many as carpels, short or none: stigmas linear or filiform. 
Fruit a berry, capsule or samara. 
1 PHYTOLACCA L. Sp. 41. 
Tall perennial herbs with simple entire leaves without stipules 
and small flowersin terminal racemes which by the farther growth 
of the stem become opposite the leaves. Pedicels bracted at the 
base. Calyx of 4 or 5 persistent rounded sepals. Stamens 4-15, 
% 
