. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 7. ATRIPLEX [Tourn.] L. Sp. PI. 1052. 1753. Annual or perennial herbs or low shrubs, often scurfy-canescent or silvery. Leaves alternate, petioled or sessile, or soime of them opposite. Flowers dioecious or monoecious, small, green, in panicled spikes or capitate-clustered in the axils. Staminate flowers bract- less, consisting of a 3-5-parted calyx and an equal number of st
. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 7. ATRIPLEX [Tourn.] L. Sp. PI. 1052. 1753. Annual or perennial herbs or low shrubs, often scurfy-canescent or silvery. Leaves alternate, petioled or sessile, or soime of them opposite. Flowers dioecious or monoecious, small, green, in panicled spikes or capitate-clustered in the axils. Staminate flowers bract- less, consisting of a 3-5-parted calyx and an equal number of stamens; filaments separate or united by their bases; a rudimentary ovary sometimes present. Pistillate flowers sifb- tended by 2 bractlets which enlarge in fruit and are more or less united, sometimes quite to their summits, their margins entire or toothed, their sides smooth, crested, tubercled or winged; perianth none; ovary globose or ovoid; stigmas 2. Utricle completely or par- tially enclosed by the fruiting bractlets. Seed vertical or rarely horizontal; embryo annular. the radicle pointing upward or downward; endosperm mealy. [From a Greek name of orache.] About 130 species, of very wide geographic distribution. Besides the following, some 50 others occur in the western parts of North America. Type species : Atriplcx horlensis L. Annual herbs ; stems or branches erect, diffuse or ascending. Leaves hastate, ovate to rhombic-lanceolate or linear-lanceolate. Plant green, glabrous or sparingly scurfy, not silvery ; leaves slender-petioled. I. A. hastata. Plant very scurfy ; leaves rhombic-ovate, short-petioled. 2. A. rosea. Plant densely silvery : leaves hastate, entire or little toothed. Leaves oblong, densely silvery, entire; plant of sea beaches. Perennial herbs or shrubs : leaves oblong or oblanceolate, entire : plants of th Fruiting bractlets suborbicular, wingless, their sides crested or tubercled. Fruiting bractlets appendaged by 4 vertical reticulated wings. 3. A. arge
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
