OF ARTS AND SCIENCES. 107 



margin, the sides often strongly miiricate ; seed dark, a line broad ; 

 radicle lateral. — The typical form scarcely occurs in this country. 



Atriplex patiila, Linn. Hooker f., Arctic Flora, 300 and 338. Elliott, 2. 577. 

 Torrey, Flora N.Y. 2. 137. Gray, Manual, 409. Porter, Fl. Col. 117. 



Var. HASTATA, Gray. Stout, at least the lower leaves broadly 

 triangular-hastate, entire or toothed with shallow sinuses. — The Ameri- 

 can form appears to differ from the European (A. hastata, Linn.) in its 

 more usually entire leaves and greater scurfiness. Found in salt and 

 brackish localities on the coast from New Brunswick to Virginia, and 

 inland ; from the Saskatchewan to Central Colorado, and in salt marshes 

 near San Francisco. 



Atriplex laciniata. Pursh, Flora, 199. 



Atriplex laciniata, var. Americana. Torrey, Flora U. S. 1. 293. 



Chenopodlum ruhrum. Hook. Fl. Bor.-Am. 2. 127, in part. 



Atriplex Purshiana. Moquin, Enum. Clienop. 55; DC. Prodr. 132. 93. 



Dietrich, Syn. 5. 532. 

 Atriplex hastata, Linn. En.srelm. PI. Upp. Miss. 208. Gray, Pac. R. R. Rep. 



12. 46. Matthew, Canad. Nat. 12. 159. Chapman, 377. Torr. Bot 



Wilkes's Exp. 437. 

 Atriplex patula, var. hastata. Gray, Manual, 409. 



Collectors : — James ; Nuttall ; Suckley ; 2445 Bolander ; Greene ; Bur- 

 gess ; 259, 262 Wolf. 



Var. SUBSPICATA. A low and often simple form, 3-12 inches high, 

 usually quite scurfy ; leaves lanceolate-hastate, ^-1 inch long. — From 

 the Saskatchewan to the Missouri. 



Chenopodlum subspicatian. Nuttall, Genera, 1. 199. Spreng. Syst. 1. 919. 



Moquin, Enum. Chenop. 34. 

 Atriplex angnstifoUa. Hook. Fl. Bor.-Am. 2. 128, in part. 

 Atriplex laciniata, var. Americana. Torrey, Nicollet's Rep. 159. 

 Atriplex rosea. Hook. PI. Geyer in Lond. Jour. Bot. 5. 261. 

 Atriplex hastata. Bourgeau, Palliser's Rep. 260. 



Collectors: — Nuttall; Nicollet; Bourgeau; Hall. 



Var. LiTTORALis, Gray. Slender ; leaves linear-lanceolate to linear, 

 rarely subhastate or toothed. — From New Brunswick and Canada to 

 New York ; Oregon. A narrow-leaved form rather than a vaz'iety, 

 simulated by the upper portions of stems of var. hastata. 



Atriplex littoralis. Bourgeau, Palliser's Rep. 260. Gray, Proc. Amer. Acad. 



8. 398. 

 Atriplex angustifolia. Hook. & Arn. Bot. Beechey, 157 1 ' 

 Atriplex patula, var. littoralis. Gray, Manual, 409. 



Collectors : — Nuttall ; Kellogg ; 432 Hall. 



