Davis: RANUNCULI OF NORTH AMERICA. 497 
zona into adjacent California, and in Lower California, at La 
Chuparosa and Sierra de la Laguna. Flowers appearing very 
late at high altitudes. 
86. R. samolifolius GREENE, Pitt. 3: 13. 1896. 
Much like A. hydrocharordes. Leaves entire, obtuse, ob- 
lanceolate, petioled; upper ones oval or obovoid: petals ob- 
ovate; sepals round-ovoid, spreading : akenes like that species. 
High altitude, Mt. Shasta, southward. 
87. R. stolonifer Hemsy. Diag. Pl. Nov. 17. 1879. 
Plant small, entirely glabrous, spreading by stolons: stem 
erect, 2 to 6 inches or less: leaves subentire or sometimes cre- 
nate, the radical ones long-petioled, reniform or roundish ellip- 
tical to lanceolate-oblong ; blade 3 to 12 lines long, petiole 1 to 
2, with base membranous and dilated; stem leaves sessile, nar- 
row : flowers small, yellow, long-peduncled ; receptacle conical, 
glabrous; sepals oblong, 1 to 1% lines long; petals 5 or 6, ob- 
long-elliptical, about 114 lines long, the long claw with a con- 
spicuous nectary; stamens longer than petals, filaments dilated : 
akenes much compressed, slightly margined, glabrous: head of 
fruit globose. Near Morales in San Luis Potosi, Mex., 6,000 
to 8,000 feet altitude. 
88. R. vagans Wats. Proc. Am. Acad. 26: 131. 1891. 
Plant low, glabrous, spreading by elongated stolons: leaves 
narrowly lanceolate, or the lowest ovate-lanceolate, entire or 
with a few often slender teeth toward the apex: petals 8 to Io, 
oblong-obovate, about 2% lines long, a prominent nectar pore 
above the narrow claw; sepals little over half as long: akenes 
smooth, in a dense globose head 2% lines in diameter. Flor 
de Maria, State of Mexico. Aug., 1890. Pringle no. 3177. 
89. R. reptans Linn. Sp. Pl. 549. 1753. 
Kt. filiformes Micux. Fl. 1: 320. 1803. 
FP. reptans var. filiformis DC. Syst. 1: 248. 1818. 
R. Flammula var. fliformis Hoox. Fl. 1: 11. 1829. 
Fe. Flammulavar..reptans E. MEYER, Pl. Labr. 96. 1830. 
Stem prostrate, rooting at the nodes, pubescent or nearly 
glabrous: leaves linear-lanceolate to spatulate, usually entire, 
I to 2inches long, narrowed into the petiole: peduncles ascend- 
ing, 1 to 3 inches, each terminated by a single flower; petals 
