Goosefoot Family 125 



spikes densely flowered, often panicled; calyx about 1 mm. broad 

 in fruit, its lobes strongly carinate. 



A common weed in waste fields. May-September. Native of the Old World. 



2. C. album viride (L.) Moq. Closely resembling the type, 

 but leaves bright green or very slightly mealy beneath. 



Vernon, Davidson. 



3. C. murale L. Stout erect, 3-6 dm. high, the lower 

 branches usually spreading or decumbent; leaves 3-8 cm. long, 

 rhombic-ovate, broadly cuneate or subtruncate at the base, 

 acute at the apex, glabrous or slightly mealy when young ; spikes 

 panicled, loosely flowered; calyx enclosing the fruit ; seed acutely 

 margined. 



Frequent in waste places. Often flowering the year round. Native of the 

 Old World. 



4. C. rubrum L. Annual, somewhat fleshy and glabrous or 

 commonly somewhat mealy; stem erect, leafy, 3-7 dm. high, 

 with strict or ascending branches; leaves thick, 3-5 cm. long, 

 rhombic-ovate or rhombic-lanceolate, coarsely sinuate-dentate, 

 or the upper entire, acute or obtuse at apex, narrowed at base to 

 a rather short petiole; flowers in compound, leafy-bracted axil- 

 lary and terminal spikes, often exceeding the leaves; calyx 3-5- 

 parted, its segments slightly fleshy, reddish, not keeled, obtuse, 

 about as long as the utricle ; stamens 1-2 ; stigmas short ; utricle 

 horizontal, shining, rather sharp-edged. 



Occasional in saline flats and marshes along the coast. August-November. 



--*- Leaves more or less glandular-pubescent. 



5. C. ambrosioides L. Stem ascending or erect, 0.5-1 m. high, 

 much branched and leafy, more or less glandular-pubescent, 

 strong-scented ; leaves oblong to lanceolate, obtuse, subacute or 

 acute at the apex, narrowed to a short petiole, repand-dentate, 

 undulate or the upper entire, 3-9 cm. long ; flower clusters dense, 

 axillary upon the branches, forming a leafy spike ; calyx-lobes 

 oppressed ; pericarp deciduous. 



Frequent in waste places. Native of Europe. 



~** Perennials. 



6. C. Californicum Wats. Stout, erect or decumbent at base, 

 -8 dm. high, from a thick fusiform root; leaves broadly triangu- 

 lar-hastate, truncate or cordate at base, 3-9 cm. long, sharply 



