Genus i. 



GOOSEFOOT FAMILY. 



II 



4. Chenopodium leptophyllum (Moq.) Nutt. 

 Narrow-leaved Goosefoot. Fig. 1680. 



Chenopodium album var. leptophyllum Moq. in DC. 



Prodr. 13=: 71. 1849. 

 Chenopodium leptophyllum Nutt. ; Moq. in DC. Prodr. 



13-: 71. As synonym. 1849. 

 Chenopodium leptophyllum var. oblongifolium S. Wats. 



Proc. Am. Acad. 9 : 95. 1874. 

 Chenopodium leptophyllum subglabrum S. Wats. Proc. 



Am. Acad. 9: 95. 1874. 

 C. oblongifolium Rydb. Bull. Torr. Club 33; 137. 1906. 



Annual, scarcely succulent, stem slender, usually 

 erect, striate or grooved, at least when dry, branched, 

 6'-24° tall, mealy above, the branches erect-ascend- 

 ing. Leaves linear to oblong, white-mealy beneath, 

 green above, acute or acuminate, or the lower ob- 

 tuse, entire or the lower rarely toothed, short-peti- 

 oled, i'-ii' long, l"-3" wide, 1-3-nerved ; flowers 

 in continuous or interrupted axillary and terminal 

 simple or branched spikes ; calyx about ¥' broad, 

 its segments strongly keeled and nearly covering 

 the fruit; styles short; seed horizontal, readily de- 

 tached from the pericarp ; embryo a complete ring. 



In dry soil, Manitoba to Wisconsin, Missouri, New Mexico and Arizona. Also 

 of Lake Erie and on sands of the seashore, Maine to New Jersey. July-Sept. 



on the shores 



5. Chenopodium Vulvaria L. Stinking Goose- 

 foot. Fig. 1 68 1. 



Chenopodium Vulvaria L, Sp, PI. 220. 1753. 



Annual, white-mealy, unpleasantly odorous, much 

 branched, the procumbent branches 1° long or more. 

 Leaves broadly ovate, entire, i' long or less, the slender 

 petioles about as long as the blades; flowers in dense 

 short axillary and terminal simple or branched spikes 

 mostly shorter than the leaves; calyx-segments ovate- 

 lanceolate, keeled in fruit, obtusish ; seed horizontal, 

 shining, the pericarp coherent ; styles short. 



Waste grounds, Ontario to Delaware and Florida. Ad- 

 ventive from Europe, July-Sept. 



6. Chenopodium polyspermum L. Many- 



. seeded Goosefoot. Fig. 1682. 



Chenopodium polyspermum L. Sp. PI. 220. 1753. 



Annual, glabrous, not mealy, stem stout or slen- 

 der, erect or decumbent, commonly much branched, 

 striate, 6'-3° high. Leaves oblong, elliptic or ovate, 

 slender-petioled, entire, thin, green on both sides, 

 obtuse at the apex, narrowed rounded or truncate 

 at the base, 1-3' long, 4"-rl' wide; flowers in loose 

 axillary and terminal panicles; calyx less than l" 

 wide, its segments oblong, subacute or obtuse, some- 

 what scarious, not keeled, not completely covering 

 the top of the fruit; styles short; seed firmly at- 

 tached to the pericarp, horizontal; embryo a com- 

 plete ring. 



In waste places and ballast, Massachusetts to New 

 Jersey. Adventive from Europe. July-Sept. Allseed. 



