434 CHENOPODIACE# (Wright). 
flowers, accrescent or unchanged after flowering, membranous, 
herbaceous or chartaceous, naked, tuberculate or winged ; segments 
usually imbricate in bud. Stamens as many as the perianth-lobes 
and opposite them, or fewer, hypogynous or perigynous, usually 
without staminodes; filaments subulate, filiform or compressed, 
free, rarely connate at the base; anthers dorsifixed, 2-celled ; con- 
nective sometimes produced at the apex. Disk none, rarely annular. 
Ovary superior, sometimes immersed in the base of the perianth, 
1-celled ; style short or long and simple with a 2—3-lobed stigma, or 
styles 2-3, long and papillose at the apex, or stigmas 2-3, sessile, 
filiform, papillose all over ; ovule solitary, amphitropous, erect on a 
short funicle, or suspended from a long basal funicle. Fruit a 
usually indehiscent utricle enclosed in and falling off with the 
perianth. Seed erect or horizontal, lenticular, subglobose or reni- 
form ; testa various, smooth or granular ; embryo annular or spiral, 
surrounding the floury or fleshy albumen, albumen absent in Sali- 
cornia ; cotyledons usually narrow. 
Annual or perennial herbs, or shrubs, rarely small trees, glabrous, farinose, 
lepidote or hairy, sometimes fleshy ; stems continuous or jointed, erect or 
decumbent ; leaves alternate, rarely opposite, flat or cylindrical, usually entire, 
sometimes sinuate, exstipulate ; inflorescence various, often of clusters arranged 
in spikes or panicles, sometimes dichotomously cymose, or flowers solitary and 
axillary, 
Distris. Genera about 80, and species about 520, cosmopolitan ; many are 
weeds of cultivation. 
* CycLoLoBes. Embryo annular ; albumen copious, except in Salicornia. 
I. Chenopodium.—Herbs, rarely woody at the base, farinose or glandular- 
pubescent, Leaves alternate. Flowers hermaphrodite, without 
bracts or bracteoles ; perianth 3-5-lobed. 
II. Roubieva.—A_ prostrate herb. Leaves alternate, pinnately lobed. 
Flowers hermaphrodite or female by abortion, without bracts or 
bracteoles ; perianth very shortly 5-lobed, urceolate and quite 
enclosing the fruit. 
Ill. Exomis——A dichotomously branched white scurfy shrub. Leaves 
alternate. Flowers unisexual, the female with small bracteoles 
unchanged in fruit and no perianth. : 
IV. Atriplex.—Herbs or shrubs, more or less lepidote. Leaves usually 
alternate. Flowers unisexual, the female with large accrescent 
bracteoles and no perianth. 
V. Chenolea.—Herbaceous, or woody at the base. Leaves alternate. 
Flowers hermaphrodite and female, ebracteate ; bracteoles present. 
Perianth in fruit inappendiculate or spiny. 
VI. Kochia,—Herbs or small shrubs. eaves usually alternate. Flowers 
hermaphrodite and female, without bracts or bracteoles. Perianth 
in fruit horizontally winged. 
VII. Salicornia,—Fleshy herbs or shrubs with articulate branches. Leaves 
opposite, or opposite and alternate. Flowers hermaphrodite or 
polygamous, immersed in the hollows of a fleshy rhachis. 
