16 RANUNCULACE. RANUNCULUS. 
yellow: achenes numerous. in a large globose head, plump, smooth, tip 
ed with a short curyed beak: peduncles recurving in fruit until the hentla 
rest on the ground. In wet places from the Blue Mountains of Oregon to 
eastern California and the Rocky Mountains. |. 
R. digitatus Hook. Kew Misc. iii, 124, t.4. Less than a span high from 
‘a cluster of short aud downwardly tuberous-thickened roots; glabrous: leaves 
few, petioled, entire and lanceolate, or digitately or somewhat pedately lobed 
the 3 to 5 segments narrowly lanceolate or oblong-spatulate. obtuse: flowers 2 
or 3, terminal, 5 to 10 lines in diameter,. with 5 to 11 oblong-spatulate petals: 
fruit subglobose, akenes beaked with the subulate recurved style.. Mountains 
of southern Idaho Nevada, Utah, and Wyoming, 
+ + Leaves all 2-4-ternately parted or divided into numerous nar- 
row divisions: achenes turgid, subulate-beaked, dorsally marginless, 
smooth or nearly so. Low perennials with fibrous-fascicled roots. 
R. triternatus Gray Proc. Am. Acad. xxi, 370. Stems ascending, 2-6 
inches long: leaves usually triternately divided and parted ; primary divi- 
ions petiolulate, lobes filiform-linear to linear-spatulate, obtuse: inflores- 
cence secund: peduncles stout, 2 inches.long, at length recurved and the 
heads resting on the ground: petals broadly obovate, 4-6 lines long: 
achenes very turgid, rounded on the back, slender-beaked, the head glo- 
bose with a thick globular receptacle. Klickitat Co. Washington, on the 
highest hills opposite the Dalles; flowering in very early spring. 
R. eximius Greene Eryth. iii, 19. Radical leaves very few, often only 
one, on short stout petioles 1-2 inches long, the blade of cuneate-oboyate 
or almost flabelliform outline deeply about 7-lobed at the broad summit, 
otherwise entire: upper cauline leaves sessile, broadly cuneiform, an ineh 
long, cleft to the middle into about 5 lanceolate or broadly linear lobes: 
periphery of the expanded large corolla quite circular by the overlapping 
of the numerous broadly obovate or almost obcordate yellow petals. Al- 
pine or subalpine, Idaho and Wyoming to the Rocky Mountaine. 
+ + + Leaves mostly cleft or more divided, some radical ones un- 
divided but at least crenate or dentate: achenes turgid or lenticular, 
marginless: high mountain perennials with rather large flowers. 
R. Suksdorfii Gray Proc. Am. Acad., xxi, 371. Glabrous:. stems 4-10 
inches high from a fascicle of fleshy-fibrous roots, 1-3-flowered ; leaves small, 
somewhat reniform, 3-5-cleft or parted, divisions of the radical ones 3-5- 
cleft or incised, of the cauline linear; petals round-obovate, retuse, 4-6 lines, 
long, deep yellow: achenes glabrous, turgid-lenticular, acutish-edged, tipp- 
ed with an almost filiform long-style. In damp ground on Mount Adams, 
Washington at 6000 to 7800 feet elevation. 
R. Esehscholtzii Schlecht. Animad. Ranunce, ii, 16, t,1. Stems ascen- 
ding, 6-12 inches long, 1-3-flowered : leaves roundish in outline; radical all 
3-5-parted or deeply cleft, and their obovate or cuneate divisions mostly 
lobed or incised; cauline similar or with oblong to spatulate or lanceolate 
and often entire divisions: petals 3-6 lines long: achenes peat: with 
slender-subulate and mostly straight style of more than half their length; 
heads oblong. Alpine, in the Cascade Mountains to Alaska and the 
Rocky Mountains. 
R. cardiophyllus Hook. Fl. i, 14, t.5. Hirsutely pubescent: stems 
robust, 10-12 inches high: radical leaves round-cordate, coarsely crenate to 
3-7-cleft; cauline nearly sessile, palmately many-cleft, the linear lobes 
incisely crenate: petals golden yellow, broadly oval, very obtuse, twice as 
long as the spreading sepals: achenes small, roundish, tipped with a long 
hooked style. On high mountains, Oregon to Alaska, Canada and the 
Rocky Mountains. is 
+ + + + Slender-rooted annual, with small flowers and achenes. 
