38 



SELECTED WESTERN FLORA 



5. C. glaiicum, L. Oak-leaved Goosefoot. 

 Stem low, spreading, mealy; leaves oblong, pale 



beneath, sinuately- toothed ; flowers in small axillary 

 spikes. Waste places and alkaline soil, Man.-Alta. 



6. C. album, L. Lamb's Quahtbrs, Pigweed. 

 Erect, 1-4 ft. high, generally mealy ; leaves vary- 

 ing from almost linear above to ovate below, the 

 lower angular-toothed; flower clusters dense; lobes 

 of the calyx covering the seeds. A common weed in 

 cultivated ground. 



2. AXYRIS 



Flowers monoecious ; sterile very small with 

 3-5-parted calyx and 2-5 stamens, fertile with 

 3-4-pajted calyx, 2 stigmas and flattened ovary, 

 rather hairy and arranged below the sterile; 

 utricle enclosed in the perianth. 



1. A. amarantoides, L. Russian Pigweed. 



Erect, 1-2J ft. high, slightly pubescent, much 

 branched ; leaves ovate to lanceolate, mostly entire, 

 on slender petioles ; flowers in dense leafy clusters 

 the minute staminate ones towards the ends of the 

 stems ; fruit oval, flattened ; seed black but not shiny. 



An unsightly weed in waste places- about towns in Man., and extending 



westward along the railways. 



3. ATRIPLEX. 



Herbs resembling the last genus except that the flowers are mo- 

 noeoious or dioecious, the sterile resembling the flowers of the Che- 

 nopodium, vrith an undeveloped pistil, the fertile consisting of a 

 naked pistil enclosed by a pair of bracts which become enlarged in 

 fruit; the long axis of the seed lengthwise with the flower. 



1. A. argentea, Nutt. 



Low, much branched, gray-scurfy; leaves varying from deltoid to hastate; 

 sterile flowers in terminal spikes, the fertile in axillary clusters ; bracts of the 

 fertile flowers united, with their margins toothed or wavy. Waste places, 

 Man.-Alta. 



2. A. Nuttaim, Wats. 



A whitish or pale green scurfy shrub 1-2 ft. high, with rather stiff, erect 

 branches; leaves linear to oblong or oblanceolate ; flowers in dense clusters 



Fig. 34. — Cheno- 

 podium album. 



