314 
BOTAOT. 
EuMEX LONGiFOLius, DC. Prodf. 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, slightly 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 Britannica, L. New York to Ilhnois and the Upper Missouri; 
southward in Texas and New Mexico. Jordan Valley, Utah, on Cottonwood 
Creek; July. (1,050.) 
RuMEX SALiciFOLius, Weinm. Coast of New England, Newfoundland, 
and from the Great Bear Lake and Sitka to Western Texas, New Mexico, 
and California. In the valleys from the Truckee River, Nevada, to the 
Wahsatch; 4-6,000 feet altitude ; July-September. (1,051.) 
Var. (T) Leaves undulate, truncate or cordate at base ; valves 1" long, 
nan-owly winged, subrhomboidal, acute or acuminate, subdenticulate. — The 
same as 1780 and 1781 AVright, from Frontera on the Rio Grande, referred 
in the Botany of the Mexican Boundary to this species, but perhaps dis- 
tinct. (1,052.) 
RuMEX MARITIMUS, L. Sca-shorc 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) paucifolius, Nutt., Ms. in Herb. Gray. {R. Engel- 
manni, Var. ! Gej/eri, Meisn. DC. Prodr. 14. 64.) Perennial ; stem erect, 
simple, rather slender, li-3° high; leaves 2-4' long, 9-15" wide, petioled, 
lanceolate, acute, entire, flat, attenuate at each end ; panicle simple, nearly 
Icnifless: pedicels luwjov lhan the flower, articulated below the middle; valves 
2" in diameter, 1) road-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 aUitude ; June. Resembling R. 
ha.sfaddus, Bald., {MuhL Cat., 2. ed., p. 37. Ell. Sk 1. 416; this name dropped 
