Davis: RANUNCULI OF NORTH AMERICA. 485 
oval to oblong, cordate, crenate-dentate ; the later ones often 5- 
cleft and again 3—-5-lobed; stem leaves 1~3-ternate with narrow 
linear divisions: petals yellow, often 6 to 7, ovate to oblong, 3 
to 5 lines long: akenes compressed, thin-margined, pubescent: 
head small, globose. Willow Spring, and mountains of south- 
ern Arizona. 
Var. subaffinis Gray, Proc. Am. Acad. 21: 370. 1886. 
R. Arizonicus GREENE, Pitt. 2: 60. 1890. 
R. subsagittatus var. subafints GREENE, Pitt. 2: IIo. 
1890. 
R. subafinis Ryvs. Bull. Torr. Club, 24: 246. 1897. 
Plant lower than the type, usually 1-flowered: akenes densely 
pubescent, with subulate style nearly their own length: head of 
fruit oval. High altitudes. Mt. Agassiz, in San Francisco, 
mountains of Arizona. Also Chihuahua. 
Var. subsagittatus Gray, Proc. Am. Acad. 21: 370. 1886. 
Stouter than the above; villous at least at first: stem simple, 
few-flowered : radical leaves thick, oblong, bases subcordate to 
sagittate: petals broader than in the type: head of akenes 
larger, oval. Wet ground. Northern Arizona to San Fran- 
cisco mountains. 
50. R. montanus WILLD. Sp. Pl. 2: 1321. 1799. 
Rootstock creeping, 1-3 inches long, % inch thick: plant 6 
inches high, pubescent with soft appressed or spreading hairs, 
especially toward the top: radical leaves few, petiolate, smooth, 
orbicular in outline, 3-parted, and lobed into blunt, toothed 
segments; stem leaves sessile or nearly so, clasping the stem, 
3-5-parted into narrow somewhat toothed or entire lobes: flow- 
ers solitary, terminating the simple or once-branched stem, I 
inch or larger; sepals concave, acute, yellowish-green, slightly 
hairy; petals 5, large, broadly obovoid, bright yellow, with 
small scale and pore at base: akenes turgid, glabrous; beak 
strongly hooked, puberulent. May to July. Europe. Culti- 
vated. Bot. Mag. 3022. Bot. Cab. 1610. 
Var. dentatus Baume. Enum. Stirp. Magn. Trans. 2: 124. 
About 1823.: 
R. carpaticus Herbich. Sel. Pl. Rar. Galic 15. 1836. 
Leaves much more toothed than in the type: plant much 
taller: flowerslarger. Cultivated. Bot. Mag. 7266. Garden 
Be: 1138. 
