Davis: RANUNCULI OF NORTH AMERICA. 475 
stalked; leaflets cuneate, 2—-3-cleft and again incised: petals 
yellow, 5 to 6 lines long, obovate ; sepals half as long, reflexed, 
soft-hairy: akenes about 2% lines long; beak less than half as 
long, broad, hooked. Sacramento valley, Calif. 
Var. Blankinshipii Ropinson, Syn. Fl. 1: 1: 35. 1895. 
The silky coat persistent but less dense than in the typical 
plants: akenes plainly hispid and papillose. Capay, Yolo 
County, Calif. 
Var. hesperoxys n. var. 
Le. hesperoxys GREENE, Erythea, 2: 189. 1894. 
Plants much greener than the type; doubtless due to the 
early falling of the canescence. California. 
25. R. amarillo BErRToL. Fl. Guat. 24. 1840. 
Hirsute, stem branched, ascending: lower leaves petioled; 
leaves compound; leaflets stalked, subcordate-ovate, acute, 3- 
lobed, cut-toothed; the upper leaves often short-petioled, ter- 
nate, divisions lanceolate, dentate: petals about 8, yellow, ob- 
long-cuneate; sepals shorter, hairy, reflexed; flowers as large 
as ff. acris: akenes compressed, glabrous; style long, erect but 
recurved at tip: head of fruit globose. Guatemala. 
20, m. repens Linn. Sp. Pl.554. 1753. 
fF. prostratus Porr. in Lam. Encycl. 6: 113. 1804. 
de. Clintoni Brecx. Bot. 9. 1833. 
Roots fibrous: plant more or less hairy: spreading by 
runners; flower stems often ascending 6 to 12 inches: leaves 
petioled, 3-divided; middle leaflet or all of them stalked, often 
again 3-lobed or cleft, and somewhat coarse toothed, bases 
cuneate or truncate: petals obovate, 5 to 6 lines long; sepals 
much shorter, spreading, hairy below: akenes compressed, 
margined; beak short, stout, slightly bent: head globose. 
May to July. Common. Nova Scotia and Newfoundland to 
Virginia, westward. Also Europe and Asia. Cultivated. 
27. R. palmatus Exvu. Sketch, 2: 61. 1824. 
Included by Gray, ’86, with /. septentrionalis which it is 
much like; plant smaller, more decumbent: runners often 
long: leaves 1 inch across, thin, somewhat 3-parted or divided, 
divisions ovate, coarsely few-toothed; lowest leaves often sub- 
entire: flowers 6 lines broad. Pine lands and swampy places, 
Tennessee, South Carolina, Florida. 
