314 BOTANY. 



EuMEX LONGiFOLius, DC. Prodr. 14.. 44. stout, 3-5° high; leaves 

 elongated, acute, undulate, the lowest oblong, subcordate or obtuse at base, 

 6-15' long, 2-4' wide, long-petioled, the upper lanceolate, attenuate at each 

 end, and the uppermost linear ; petioles flat above, with a thin linear margin ; 

 panicle simple, leafless above, the racemes sessile; valves about 2 i" in diame- 

 ter, broad-ovate, shghtly cordate, obtuse, finely reticulated, subentire, without 

 callosities.— Referred by Hooker and others to R. aquaticus. In the Saskat- 

 chewan region, and on the Western Coast from Unalaska and Sitka to Cali- 

 fornia ; Colorado, (498 Vasey.) Ruby and Huntington Valleys, Nevada ; also 

 in the Uintas ; 6-7,000 feet altitude ; July-August. (1,049.) 



RuMEX Beitannica, L. New York to lUinois and the Upper Missouri; 

 southward in Texas and New Mexico. Jordan Valley, Utah, on Cottonwood 



Creek; July. (1,050.) 



RuMEX SALiciroLius, Weium. Coast of New England, Newfoundland, 

 and from the Great Bear Lake and Sitka to Western Texas, New Mexico, 

 and Cahfornia. In the valleys from the Truckee River, Nevada, to the 

 Wahsatch; 4-6,000 feet altitude ; July-September. (1,051.) 



Var. (I) Leaves undulate, truncate or cordate at base ; valves 1" long, 

 narrowly winged, subrhomboidal, acute or acuminate, subdenticulate. — The 

 same as 1780 and 1781 Wright, from Frontera on the Rio Grrande, referred 

 in the Botany of the Mexican Boundary to this species, but perhaps dis- 

 tinct. (1,052.) 



RuMEX MAEiTiMus, L. Sea-shore from Massachusetts to Virginia ; from 

 Hudson's Bay to the Saskatchewan and Washington Territory and southward 

 to Illinois, Western Texas, New Mexico and California. Variable in height 

 and habit. Truckee and Ruby Valleys, Nevada, in Salt Lake Valley, and in 

 Provo Canon in the Wahsatch ; 4-6,000 feet altitude ; July-October. (1,053.) 



RuMEX (Acetosa) padcifolius, Nutt., Ms. in Herb. Gray. {R. Engel- 

 manni, Var. I Oeyeri, Meisn. DC. Prodr. 14. 64.) Perennial ; stem erect, 

 simple, rather slender, lJ-3° high ; leaves 2-4' long, 9-15" wide, petioled, 

 lanceolate, acute, entire, flat, attenuate at each end ; panicle simple, nearly 

 leafless ; pedicels longer than the flower, articulated below the middle ; valves 

 2" in diameter, broad-ovate, cordate, entire, reticulately veined, naked, thin 

 and purplish. — Rocky Mountains of Idaho and Montana, (Nuttall, 488 Geyer.) 

 Parley's Park in the Wahsatch ; 6,000 feet altitude ; June. Resembling R. 

 hastatulus, Bald., {Muhl. Cat., 2.^d., p. 37. Ell. Sk 1. 416; this name dropped 



