£ < 9 £ O .
j/„ y 7 ? '/# * /.
2860.
ATRIPLEX deltoidea.
Deltoid-leaved Orache.
POLYGAMIA Moncecia.
Gen. Char. Sterile flowers : Perianth 5-partite, inferior.
Stamens 5. Fertile flowers : Perigone
of 2 more or less connected valves. Stigmas 2.
Pericarp membranaceous, free. Seed vertical;
its hilum lateral or almost basal; testa crusta-
ceous ; radicle inferior, ascending-.
Spec. Char. Stem erect, herbaceous, with ascending
branches. Leaves all hastate-triangular,
unequally toothed, opposite. Enlarged calyces
ovate-triangular, toothed, tuberculated on the
back, longer than the fruit, arranged in a compound,
many-flowered panicle. Seeds smooth and
shining.
Svn. Atriplex deltoidea. Bab. Prim. FI. Sam. 82.
Trans. Bot. Soc. Edin. v. 1. 12. Leight. FI.
Shrop. 501.
I t is only after a long and craeful study of the living
plants referable to this genus, that we have ventured to
present to the botanists of Britain a new species of Atriplex,
and we do it with the full conviction that most of those
who have not made the genus their peculiar study will consider
it to be only a variety of A. patula. We have, however,
satisfied ourselves that it is a really distinct and far
from uncommon species.
Root fibrous. Stem erect, striated, quadrangular, 1-2
feet high, branched, the branches ascending, often reddish.
Leaves mostly opposite, all triangular-hastate, truncate at