CHEN0P0D1ACEAE. 133 



Leaves oblong, rhoinbic-ovate or lanceolate, nar- 

 rowed at the base. , < i la.C. album viride. 

 Leaves triangular-ovate, truncate or subcordate 

 at base. 6. C. urbicum. 



Spikes loosely panicled' in " the axils, the panicles 

 shorter than the leaves. 7. C. murale. 



Stamens only 1 or 2 ; calyx slightly fleshy, red. 



9. C. rubrvm. 

 Leaves very coarsely toothed. 8. C. hybridum. 



Embryo an incomplete ring. 



Leaves ovate or oblong, pinnately lobed; flowers in long loose panicles. 



10. C. Botrys. 

 Leaves lanceolate; flowers in continuous or interrupted spikes'. 



Spikes borne in the axils of the numerous small upper leaves. 



11. C. ambrosioides. 

 Spikes in large commonly leafless terminal panicles. 



12. C. antheVmiwticum. 



1. Chenopodium album L. Goosefoot, Pigweed, Lamb's Quarters. , M. p. 



369. Waste places. Summer. 



la. Chenopodium album viride (L.) Moq. M. p. 369. Waste places. Summer. 

 Philadelphia— West Philadelphia (Mac). Lancaster— (P.). 

 Northampton — Easton, Porter (B. C). 

 Gloucester— Swedesboro (Li.). > 



2. Chenopodium glauoum L. Oak-leaved Goosefoot. M. p. 369. Waste 



places. Summer. 



Philadelphia— Andalusia, Mart. (B. C), Germantown (Me.), Phila- 

 delphia, streets and lots (Pr.). Bucks— Sellersville (Fr.). 



Camden — Kaighns Point (Te.). Gloucester — Swedesboro """(Li.). 

 Salem— Woodstown (Wa.). Atlantic— Atlantic City (C). 



New Castle— Holly Oak, Canby and Tatnall; Wilmington, Commons. 



3. Chenopodium leptophyllum (Moq.) Nutt. M. p. 369. Seacoast. 



Summer. 

 BuoJcs— Bristol (Pr.). 



Cape May— Avalon (Le.). Atlantic— Absecon, Atlantic City (C). 

 Monmouth— Sandy Hook (C). 



4. Chenopodium polyspermum L. MJ p. 370. Waste places and ballast. 



Summer. 

 Philadelphia— Ballast (P.). , Bucks— (P.). 



Camden— Kaighns Point, 7. Burk (He.) (Ja.). Hunterdon— Lambert- 

 ville (C.). 



5. Chenopodium Boscianum Moq. M. p. 370. Woods. Summer. 



Philadelphia— Wissahickon (Cr.). Bucks— Narrowsville (Ja.). Lan- 

 caster — (P.). Berks— (P.). Northampton — Easton, Porter (B. C). 



Cape May— Five Mile Beach (Le.). Atlantic— "Ventnor (GL). Hun- 

 terdon— Above Milford (C), Clinton (Te.). 



6. Chenopodium urbioum L. M. p. 370. Waste places. Summer. 



Philadelphia— Philadelphia Salt Works (He.). Bucks— Hilltown(Pr.). 

 Camden— Ballast (C). Salem— Banks of Delaware (C). 

 New Castle— Wilmington, streets. 



