16 EANUNCTJLACEiE. ranunculus. 



yellow : achenes numerous, in a large globose head, plump, smooth, tipp- 

 ed with a short curved beak : peduncles recurving in fruit until the heads 

 rest on the ground. In wet places from the Blue Mountains of Oregon to 

 eastern California and the Eocky Mountains. 



R. di^itatns Hook. Kew Misc. iii, 124, t. 4. Less than a span high from 

 a cluster of short and downwardly tuberous-thickened roots; glabroiis: leaves 

 few, pfitioled, entire and lanceolate, or digitately or somewltat pedately Ipbed 

 the 3 to 5 segments nan'owly lanceolate or oblong-spatnlate. obtuse: flowers 2 

 or 3, terminal. 5 to 10 lines in diameter, with 5 to 11 bblong-spatnlate petals: 

 fruit Bubglobose, akenes beaked with the subulate recurved style. Mountains 

 of southern Idaho Nevada, Utah, and Wyoming, 



t- , i-.L.e^yjes,all,%;4-,t,ej-nate]y Ea.rtipi4pr d.i'wded ,into numerous nar- •".< 

 ,- ra!W,rdivision8:-a;GH6n«s turgid,- subula;t'e-bieaked, dorsally marginliess, ' 

 smooth or nearly so. Low perennials with fibroiis-fascicled roots. 



R. triternatns 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, rpijnded 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. eximins Greene Eryth. iii, 19. Eadical leaves very few, often only 

 one, on short stout petioles 1-i inches long, the blade of cuneate-obovatie 

 Qr almost flabellilorm outline deeply about 7-lobed at the broad summit, 

 otherwise entire : ujjper cauline leaves sessile, broadly cuneiform, an inch 

 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 oboordate yellow petals. Al- 

 pine or subalpine, Idaho and Wyoming to the Eocky Mountains. 



,*: -^ ■<- 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. Snksdorili 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 cauliije ]ifteaj;.J.petals jound-ohovate, retuse,-4-6 lines 

 long, deep yellow: achenes.gJabrous,.turgid^lenticular, acutish-edged; tipp- 

 ed with an almost flhform long style. In damp ground on Mount Adams, 

 Washington at 6000 to 7800 feet elevation. 



_ R. Eschscholtzii Schlecht. Animad. Eanunc. ii, 16, t, 1. Stems ascen- 

 ding, 6-12 inches long, 1-3-flowered : leaves roundish in outline ; radical all 

 f^'?^''*® °^ deeply cleft, and their obovate or cuneate divisions mostly 

 lobed err incised ; cauline similar or with oblong to spatulate or lanceolate 

 and often entire divisions : petals 3-6 Hues long : achenes glabrous with 

 slender-subulate and mostly straight style of more than half their length • 

 heads oblong. Alpine, in the Cascade Mountains to Alaska and the 

 Eocky Mountains. 



?• f^'n"'*#''l'''^P^°'^• F-^- ^' ^^' ^- 5- Hirsutely pubescent: stems 

 S°^", W^"~-^^^'?°'^®^ ^^^^' radical leaves round-cordate, coarsely crenate to 

 3-7;cleft; caulme nearly sessile, palmately many-deft, the linear lobes 

 incisely crenate ; petals golden yellow, broadjy 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 thi 

 Kocky Mountains. 



■^ -1- -K ^- Slender-rooted annual, with small flowers and achenes. 



