96 PROCEEDINGS OF THE AMERICAN ACADEMY 



and southward to New Mexico and Arizona. Seeds gathered by the 



Indians of Arizona for food. 



Chenopodium album. Watson, King's Rep. 5. 287, in part. 



Collectors: — 382 Fremont; 718, 721, 725" Fendler; Hall & Harbour; 970 

 Watson ; Hall, cult, from Powell's seeds ; 258 Wolf. 



G. C. ALBUM, Linn. Usually 2-4 feet high, erect, simple or branched, 

 more or less mealy ; leaves subrhombic-ovate, 1-3 inches long, obtuse 

 or acute, cuneate at base, at least the lower ones sinuate-dentate, the 

 upper usually entire and lanceolate to linear, or all narrowly lanceolate 

 to linear ; flowers rather large, densely clustered in usually close spikes, 

 the panicle strict and close or somewhat spreading ; calyx about J of a 

 line wide in fruit, the lobes strongly carinate, nearly or quite covering 

 the seed. — Everywhere introduced. Western specimens are mostly 

 near the typical form, quite mealy, nearly simple, and with close con- 

 tracted panicles. The var. viride, which is the more common east- 

 ward, is less mealy and with a less dense inflorescence. 



Chenopodium lanceolatinn. Muhl. in Willd. Enum. 1. 291. 



Chenopodium suhspicatum. Torrey, Ann. N.Y. Lye. 2. 239, not of Nuttall ; 



Marcy's Kep. 290. 

 Chenopodium Jicifolium ? Hook. & Arn. Bot. Beech. 157 1 

 Chenopodium album, var. concatenatum. Moquin, Enum. Chenop. 30. 

 Chenopodium album, Linn. Hook. Fl. Bor.-Am. 2. 127 ; Comp. Bot. Mag. 2. 



61; PI. Geyer in Lond. Jour. Bot. 5. 261. Benth. PI. Hartw. 332. 



Torrey, Nicollet's Rep. 159; Fremont's Rep. 95; Emory's Rep. 411; 



Pac. R. R. Rep. 4. 129 ; Bot. Mex. Bound. 182. Scheele, Linn^a, 22. 151. 



Engelm. PI. Upp. Miss. 617. Seemann, Bot. Herald, 53. Parry, PI. 



Minnesota, 617. Cooper, Pac. R. R. Rep. 12. 68. Gray, Proc. Amer. 



Acad. 5. 1G7 ; Manual, 407. Chapman, 876. Hook, f., Fl. Arct. 300. 



Bourgeau, Palliser's Rep. 260. Watson, King's Rep. 5. 287. Bolander, 



Catalogue, 25. Porter, Hayden's Rep., 1871, 492 ; Fl. Col. 116. Coulter, 



Hayden's Rep., 1872, 779. Torr. Bot. Wilkes's Exp. 436. 



Collectors : — Richardson ; Fremont ; 1933 Hartweg ; 725 Fendler ; Lyall ; 

 Gray ; Horn ; 737 Brewer ; Peckham ; 725* Palmer ; 245 Anderson ; 969 

 Watson. 



7. C. POLTSPERMUM, Linn. Not mealy, erect, \-2 feet high, simple 

 or branched ; leaves thin, ovate-oblong, 1-2 inches long, entire, obtuse 

 or acute, cuneate at base ; flowers small, in few-flowered clusters usu- 

 ally scattered in short very slender axillary sj)ikes or panicles ; calyx 

 emooth, scarcely carinate, not covering the fruit ; seed less than half a 

 line broad. — Introduced into the Eastern states ; rare. 



Chenopodium poJyspermum. Gray, Manual, 406. 



8. C. HTBRiDUM, Linn. Not mealy, rather stout, erect, 2-4 feet 

 high, simple or sparingly branched above ; leaves usually large, 2-6 



