OP ARTS AND SCIENCES. 95 



shortly petioled; flowers small, closely clustered, in dense or inter- 

 rupted spikelets ; calyx-lobes strongly carinate, scarcely covering the 

 fruit ; seed \ line broad. — From Colorado to Nevada and southward 

 to New Mexico ; also collected by Professor D. C. Eaton at Absecom 

 in New Jersey. 



Kochia dioica. James, Catalogue, 178 ; not Nuttall. Torrey, Ann. N.Y. 



Lye. 2. 239. 

 Chenopodium, n. sp. Torrey, Nicollet's Rep. 159. 

 Chenopodhim zoster I folium. Torrey, Fremont's Rep. 95 ; not Hooker. 

 Chenopodium leptophyllum. Nutt. IMS. in herb. 

 Chenopodium album, var. leptophijllum. Moquin, DC. Prodr. IS''^. 71. Watson, 



King's Rep. 5. 287. Coulter, Hayden's Rep., 1872, 779. 



Collectors : — James ; 283 Nicollet; Fremont; 1731 Wright; Eaton; 971, 

 972 Watson ; 338 Greene ; 264 Wolf. 



Var. SUBGLABRUM. Nearly glabrous, loosely branched and panicled, 

 the clusters few-flowered and scattered on the branchlets. — Sandhills 

 of the Platte (Hayden). 



Var. OBLONGiFOLiuM. Rather stout, 6-10 inches high, branched, 

 densely mealy ; leaves oblong, often slightly hastate, ^-| inch long, 

 obtuse or acutish ; flowers in dense clusters in short close spikes. — 

 From Colorado to New Mexico; 717 Fendler ; 1732, 1733 Wright. 



* * Pericarp persistent upon the smooth seed. Leaves more or less 

 sinuate-dentate except in C. olidmn and poJyspermum. Most of 

 the species introduced. 



4. C. Berlandieri, Moq. Somewhat mealy or nearly smooth, 2-3 

 feet high, the branches slender and loosely spreading ; leaves rhombic- 

 oblong or oblong-lanceolate, an inch long or less, often subhastate and 

 usually sinuate-dentate and very acutely or setaceously acuminate, the 

 lobes or teeth acute ; flowers mostly in slender loose interrupted spikes, 

 nearly as large as in G. album, but the seed smaller (|^ line wide).^ 

 Texas; Western Florida. 



Chenopodium Berlandieri. Moquin, Enum. Chenop. 28; DC. Prodr. 13'. 63. 

 Chenopodium album, var. Boscianum. Gray, Manual, 407, in part. 



Collectors : — 526, 968, 1906 Berlandier ; 281 Lindheimer ; Chapman. 



5. C. OLiDUM. Rather stout, farinose, heavy scented, 3-18 inches 

 high, branching; leaves rather thick, oblong to broadly ovate, 6-9 

 lines long, often slightly hastate, entire, obtuse or acute, apiculate, on 

 slender petioles ; flowers usually large, nearly a line in diameter in 

 fruit, in close clusters rather loosely panicled ; pericarp mealy, very 

 closely adherent to the large seed. — Colorado to Salt Lake Valley 



