Chenopodiaceae 123 



or becoming lacerate; flower clusters axillary, 1-5-flowered; 

 flowers small, short pedicelled; calyx green, its 5 lobes with 

 white or pinkish margins; stamens 5-8; style short 3-parted to 

 near the base; achene 3-angled, ovoid, 2 mm. long, reticulated. 

 A common weed in waste places. 



5. P. Convolvulus L. Annual, glabrous, scurvy ; stem twin- 

 ing or trailing, branched, 1-10 dm. long; leaves ovate-sagittate, 

 long-petioled, acuminate, slightly ciliate, 1-7 cm. long; sheath 

 oblique, rough on the margin; axillary clusters loosely flowered; 

 flowers greenish, pendulous on slender pedicels; calyx 5-parted, 

 closely investing the achene; stamens 8; style short, nearly 

 entire; stigmas 8; achene 3-angled, granular. 



Cultivated fields about Pasadena, JfcClatchie. 



Family 22. CHENOPODIACEAE. GOOSEFOOT 

 FAMILY. 



Herbs or shrubs often succulent mealy or scurvy, some- 

 times fleshy. Leaves alternate or rarely opposite, some- 

 times wanting, without stipules. Flowers perfect or uni- 

 sexual, with an herbaceous calyx of 2-5 often keeled 

 rigid sepals, or sometimes wanting in pistillate flowers. 

 Stamens distinct, as many as the sepals and opposite 

 them or fewer ; anthers 2-celled. Ovary superior, 

 1-celled, 1-ovuled, becoming an achene or utricle in fruit. 

 Embryo annular and surrounding the endosperm or spiral 

 and with the endosperm lateral or wanting. 



Leaves various, not semiterete and fleshy nor spiny. 

 Flowers perfect or polygamous. 

 Calyx 3-5-cleft or 3-5-parted. 



Calyx 3-cleft; stamen 1; leaves entire. 1. APHANISMA. 

 Calyx mostly 5-cleft, herbaceous in fruit; stamens mostly 5; flowers 



in panicled spikes. 2. CHENOPODIDM. 



Calyx 3-5- toothed, dry in fruit; flowers few or solitary in the axils; 



leaves pinnatifid. 3. ROUBIEVA. 



Calyx of 1 sepal; stamen 1. 4. MONOLEPIS. 



Flowers monoecious or dioecious. 5. ATRIPLEX. 



Leaves wanting; stems fleshy. 6. SALICORNIA. 



Leaves semiterete, fleshy. 7. DONDIA. 



Leaves spiny. 8. SALSOLA. 



