78 MISSOURI BOTANICAL GARDEN. 
1890), North Carolina, South Carolina, Georgia, Florida, 
Alabama, Louisiana, Mississippi, Illinois, Missouri, Indian 
Territory, and Texas, one collection ( Hall, 1872, 540 in vari- 
ous herbaria) with sublinear very hastate leaves.—Plate 14. 
3. R. Gryert, (Meisner). — Somewhat tufted, about a 
foot high; leaves exceptionally 3x9 cm., spatulate to 
lanceolate or the shortest somewhat elliptical-ovate, obtuse 
or acute, very gradually narrowed at base, neither auricled 
nor hastate; inflorescence rather simple, with suberect 
branches ; pedicels about as long as the fruit, jointed toward 
the base; valves about 4 mm. in diameter, clawless, some- 
times with a very minute rounded basal callosity; achene 
1x2 mm.— R&R. Engelmanni, 8 Geyeri, Meisn. in DC. 
Prod. xiv. (1856) 64.—R. paucifolius, Nutt. Mss., Watson, 
Bot. King. (1871), 314.— Parks etc., in the mountains, 
from Wyoming and British America to Colorado, Utah, and 
California. — Specimens examined from N. Kootanie Pass, 
Brit. Amer. (Dawson, 18 83), Montana (Flathead River, 
Nuttall), Wyoming (Hayden, 1860; Parry, 1873, 249; 
Forwood, 1881, 66), Yellowstone Park ( Letterman, 1885; 
Knowlton, 1888), Colorado (North Park, Sheldon, 1884, 
135), Utah ( Watson, 1869, 1054; Porter, 1873), Idaho 
(Hayden, 1871), Washington (Suksdorf, 1883; Bran- 
degee, 1883, 1068), Oregon (Geyer, 488; Lyall, 1860; 
Cronkhite, 1864; Cusick, 1881, 984), and California 
( Brewer, 1863, 1696; Lemmon, 1874, 711; Shockley, 1886, 
495).— Plate 15. 
4. R. Acerosa, L.—Simple, a foot or two high, fre- 
quently papillate about the nodes and on the midrib of 
leaves ; leaves occasionally 4x10 cm., ovate or oblong- 
ovate, mostly obtuse, deeply cordate with commonly acute 
auricles, or subsagittate, a small tooth sometimes present 
on each auricle; inflorescence rather simple and compact ; 
pedicels about as long as the fruit, conspicuously jointed in 
the middle ; outer sepals of pistillate flowers relatively large, 
