Davis: RANUNCULI OF NORTH AMERICA. 471 
R. fascicular’s ScutecHT. Animad. Ranunc. 2: 30. 7¢. 2. 
1820. Not Muhl. 
RP. Schlechtendali Hoox. Fl.1: 21. 1829. (As to type.) 
Plant glabrous or sometimes pubescent, 1 to 3 feet high, 
branching, lower branches often rooting at their nodes, and run- 
ning some distance: lower petioles very long: leaves composed 
of 3-stalked leaflets, which are mostly cuneate and cleft into 
broad lobes: petals yellow, obovate, 6 lines long; sepals half 
as long, spreading : akenes much compressed, widely margined ; 
beak nearly as long, subulate, flat: head of fruit rather small, 
ovoid. Often in low, wet places. New Brunswick to Georgia, 
northwestward to Winnipeg. 
13. R. Hookeri ScHLEcHT. in Linnea, g: 610. 1835. 
Stem erect, branched, r to 2 feet high: lower leaves and 
petioles pilose with spreading yellowish hairs, upper leaves 
with peduncles sulcate, pubescence appressed: leaves subpin- 
nate, nearly as narrow as in 7. repens: sepals reflexed; petals 
narrow; receptacle pilose: akenes oblique, roundly obovate, 
laterally margined, marked with minute impressions and often 
a few scattered tubercles on sides, acuminate; base of style per- 
sistent: head of fruit globose. Allied to 7X. acrzs in habit and 
roots; to ft. repens in foliage. Its narrow often numerous 
petals and reflexed calyx remove it from all. Vera Cruz, 
Oaxaca, in San Miquelito Mts., and other places in Mexico. 
Common in grass lands. 
mek. pilosus H.B.K. Nov.,Gen. & Sp. 5: 36. 1825. 
Roots thick-fibrous, many: stem ascending, somewhat di- 
chotomously branched above, hirsute: radical leaves petiolate, 
ternate, appressed-pilose, 10 to 15 lines wide, 1 to 1% inches 
long ; leaflets cut-toothed, lateral ones sessile, ovate-rhomboid, 
sometimes 2-3-lobed; terminal leaflets large, on stalks 2 to 6 
lines long, subrotund, 3-lobed or 3-parted; lower stem leaf like 
the radical leaves but much dissected, short-petioled; upper 
stem leaves gradually jess dissected, those near the flowers 
sessile: flowers as large as in /t. duldbosus, peduncles silky ; 
sepals 5, ovate, acutish, pubescent outside, reflexed, much 
shorter than the petals, deciduous; petals 5 (rarely 6), oblong, 
with rounded tips, 5 lines long, glabrous, supplied with a scale 
on the claw: akenes glabrous, oblong to obovate, compressed, 
