CHENOPODIACEAE. 133 



Leaves oblong, rhombic-ovate or lajiceolate, nar- 

 rowed at the base. 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. rubrum. 

 Leaves very coarsely toothed. 8. C. hybridum. 



Embryo an incomplete ring. 



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



10. C. Botrys. 

 Leaves lanceolate; flowers in continuous or interrupted spikes. 



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



11. C. ambrosioides. 

 Spikes in large commonly leafless terminal panicles. 



12. C. anthelmintiGum. 



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. 

 Fhiladeliihia—y^ est Philadelphia (Mac). Lancaster— {F.). 

 Northavipton—'Easton, Porter (B. C). 

 Gloucester— Svfed.eahoTo (Li.). 



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



places. Summer. 



Philadelphia- KnAsXviSi^i, Mart. (B. C), Germantown (Me.), Phila- 

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



Cornde/i- — Kaighns Point (Te.). G2o«cester — Swedesboro (Li.). 

 iSaiem — Woodstown (Wa.). Atlantic— M\2ja.t\c City (C). 



Netv Castle— B-oWj Oak, Canby and Tatnall; Wilmington, Commons. 



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



Summer. 

 Bucks — Bristol ( Pr. ) . 



Cape Moy— Avalon (Le.). ^^iantic— Absecon, Atlantic City (C). 

 2fon«io«<7i— Sandy Hook (C). 



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



Summer. 

 Philadelphia— B&Wd&i (P.). Bucks— {V.). 



Camde /I — Kaighns Point, I. Burl: (He.) (Ja.). i7«/)terdo?i— Lambert- 

 viUe (C). 



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



PMJadeZpMo— Wissahickon (Cr.). Bttcfcs— Narrowsville (Ja.). Lan- 

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



Cape May— Five Mile Beach (Le.). Atlantic— YentuoT (Gi.). Hun- 

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



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



Philadelphia— FhiladelTphisi Salt Works (He.). JBwcfcs— Hilltown(Fr.). 

 Co7nde?i— Ballast (C). Salem— Banks of Delaware (C). 

 Neu- Casf/e— Wilmington, streets. 



