272 CONTRIBUTIONS FROM THE NATIONAL. HERBARIUM. 



Beaks of the akenes not hooked at tip. 

 Akenes with a short Ix^ak. 



Plants decumbent, creeping by 



stolons; petals showy 17. R. re])ens. 



Plants erect or ascending, not 

 stoloniferous. 

 Head of akenes oblong: petals 



not longerthan the sepals. . 15. R. f)ennsylvajncus. 

 Head of akenes globose : petals 

 longer than the .sepals. 

 Herbage smooth or but lit- 

 tle hirsute 16. R.oreganus. 



Herbage very hirsute 16a. R.oreganus macounii 



Akenes with a long beak. 



Leaf segments rathersmall , linear 

 to cuneate-ol)ovate, and 2 or 



3-lol»ed or toothed 18. ff. orthorhynchus. 



Leaf segments large, 2 to 6 em. 

 long, oblong to ovate, cleft and 

 incise 19. /?. jylatyphyllus. 



1. Ranunculus delphinifolius Torr. in Eaton, Man. ed. 2. 395. 1818. 

 Ranunculun multijidus Pui-sh, Fl. 2: 736. 1814, not Forst. 1775. 



Type ijocaijty: None given. * 



Range: British Columbia to Canada, south to California and North Carolina. 

 Specimens examined: Rwk Creek, Sandberg & Leiberg 82; west Klickitat County, 

 Siiksdorf 234H: Cheney, Afrs. Tucker 83. 

 Zonal distribution: Arid Transition. 



la. Ranunculus delphinifolius terrestris (A. Gray). 

 Ranunculus midtijiilus ierre,stris A. dray, Man. ed. 5. 41. 1872. 

 Type ix)OAI-ity: Ann Arbor, Michigan. 

 Range: Same as of the species. 

 Specimens examined: Klickitat County, Suk/idorf. 



2. Ranunculus purshii Richards. Bot. App. P>anki. Journ. 741. 1823. ^ 

 Ranunculus litnosu.s Nutt.; Torr. & Or. Fl. 1: 2(). 1838. 



Type locality: "Wooded country from latitude 54° to 64° north." 



Range: Alaska to Nova Scotia, south to Washington, New Mexico, and Michigan. 



Specimens examined: Cascade Mountains, latitude 49°, Lyall in 1859; Whatcom 

 County, Gardner 401; Ellensburg, Whited 645; Lincoln County, Henderson 2369; near 

 Sprague, Sandherg d; Leiberg 209; Box Canyon, X^rcogrer 394 ; Mission, ^'reajrer 494; Valley, 

 Beattie <& Chapman 2161. 



Zonal distribution: Arid Transition. 



3. Ranunculus flanimula unalaschensis (Bess.) Ledeb. Bull. Soc. Nat. Mosc. 34^: 



41. 1861. 



Ranunculus unalaschensis Bess, in Ledeb. Fl. Ross. 1: 32. 1841, as synonym. 



Ranunculus fiammula intermedius Hook. Fl. Bor. Am. 1:11. 1829. 



Ranunculus intermedius Heller, Bull. Torr. Club 26: 580. 1898, not Poir. 1804. 



Type locality: Unalaska. 



Range: California to Newfoundland and northward. 



Specimens examined: Clallam County, Elmer 2620; Montesano, Heller 3927; Seattle, 

 Piper, July 2, 1896; Coupe ville, Gardner 5; Silvcrton, Bouck 4; Tacoma, Flett 883, 34; 

 Manor, Piper; Roslyn, Whited All; east base Mount Adams, Cooper; Toppenish, Hen- 

 derson; Pend Oreille River, Lyall; Spokane, Piper 2635; Pullman, Hull 415; without 

 locality, Vasey in 1889; Usk, Kreager 364. 



Zonal distribution: Transition and Canadian. 



