CHENOPODIACE^ 37 



E. flavum, Nutt. 



Stem simple or tufted, woody, more or less creeping; scape 2-10 in. high, 

 erect; leaves linear to oblong, crowded on the short stem; the whole plant 

 white-woolly throughout; flowers in heads surrounded by an involucre, 

 the heads arranged in an umbel with leaf-like bracts at the base. Dry 

 gravelly ridges, W. Man.-Alta. 



XXIV. CHENOPODlACEiE (Goosefoot Family). 



Coarse and somewhat succulent herbs with alternate exstipulate 

 leaves and minute greenish flowers; calyx 3-5-parted, or of a single 

 sepal, or wanting; stamens about as many as the lobes of the 

 ealyx; ovary l-celled becoming a 1-seeded utricle mostly enclosed 

 by the persistent calyx. A family containing many of our most 

 prevalent weeds. 



1. CHENOPODIUM. Goosefoot. 



Calyx 5-parted, enclosing the fruit; stamens mostly 5; styles 

 2 or 3; seed with its longest diameter across the flower. Weedy 

 plants, generally more or less covered with a white mealiness; con- 

 taining many weeds, mostly introduced. 



1. C. capitatum, (L.) Asch. Steawberey Blite. 



Stem ascending, branched; leaves triangular to halberd-shaped and sin- 

 uate-toothed ; flower spikes interrupted, the calyx becoming fleshy in fruit, 

 making the spike look like clumps of strawberries. Moist sandy soil. 

 Man.— Alta. 



2. C. riibrum, L. Coast Blite. 



Stem 6-18 in. high, angled, much branched; leaves rather thick, not 

 mealy, pointed at both ends — the upper almost linear — sparingly and 

 coarsely toothed ; calyx lobes 2-5, somewhat fleshy, turning dull red in fruit ; 

 stamens 1 or 2 ; flower clusters scattered in leafy spikes in the axils of the leaves ; 

 seed black, shiny. Alkaline soil, Man.-Alta. 



3. C. humile. Hook. 



Resembling the preceding but dwarf, with somewhat spatulate leaves. 

 Alkaline marshes, Man.-Alta. 



4. C. hybridum, L. Maple-leaved Goosefoot. 



Stem erect, widely branched, 1-3 ft. high; leaves thin, somewhat tri- 

 angular, taper-pointed, the margin with a few large pointed teeth; racemes 

 loose, leafless; calyx not covering the fruit. Waste places, Man.-Alta. 



