272 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM, 
Beaks of the akenes not hooked at tip. 
Akenes with a short beak. 
Plants decumbent, creeping by 
stolons; petals showy .-..... 17. R. repens. 
Plants erect or ascending, not 
stoloniferous. 
Head of akenes oblong; petals 
not longer than the sepals... 15. R. pennsylvanicus. 
Head of akenes globose; petals 
longer than the sepals. 
Herbage smooth or but lit- 
tle hirsute... ...-...--- 16. R.oreganus. 
Herbage very hirsute... -. l6a. R.oreganus macounts 
Akenes with a long beak. 
Leaf segmentsrathersmall, linear 
to cuneate-obovate, and 2 or 
3-lobed or toothed. .....--- 18. R. orthorhynchus. 
Leaf segments large, 2 to 6 cm. 
long, oblong to ovate, cleft and 
incise......-.------------- 19. R. platyphyllus. 
1. Ranunculus delphinifolius Torr. in Eaton, Man. ed. 2. 395. 1818. 
Ranunculus multifidus Pursh, Fl. 2: 736. 1814, not Forst. 1775. 
Type Locauity: None given. 
Rance: British Columbia to Canada, south to California and North Carolina. 
SPECIMENS EXAMINED: Rock Creek, Sandberg & Leiberg 82; west Klickitat County, 
Suksdorf 2348; Cheney, Mrs. Tucker 83. 
ZONAL DISTRIBUTION: Arid Transition. 
1a. Ranunculus delphinifolius terrestris (A. Gray). 
Ranunculus multifidus terrestris A. Gray, Man. ed. 5. 41. 1872. 
Tyee Locauity: Ann Arbor, Michigan. 
RanGE: Same as of the species. 
SPECIMENS EXAMINED: Klickitat County, Suksdorf. 
2. Ranunculus purshii Richards. Bot. App. Frankl. Journ. 741. 1828. 
Ranunculus limosus Nutt.; Torr. & Gr. Fl. 1: 20. 1888. 
Tyre Locauity: ‘Wooded country from latitude 54° to 64° north.” 
Rance: 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, Sandberg & Leiberg 209; Box Canyon, Kreager 394; Mission, Kreager 494; Valley, 
Beattie & Chapman 2161. 
ZONAL DISTRIBUTION: Arid Transition. 
3. Ranunculus flammula unalaschensis (Bess.) Ledeb. Bull. Soc. Nat. Mose. 34°: 
41. 1861. 
Ranunculus unalaschensis Bess. in Ledeb. Fl. Ross. 1: 32. 1841, as synonym. 
Ranunculus flammula intermedius Hook. Fl. Bor. Am. 1: 11. 1829. 
Ranunculus intermedius Heller, Bull. Torr. Club 25: 580. 1898, not Poir. 1804. 
Type LocaLiry: Unalaska. 
Ranae: California to Newfoundland and northward. 
SPECIMENS EXAMINED: Clallam County, Elmer 2620; Montesano, Heller 3927; Seattle, 
Piper, July 2, 1896; Coupeville, Gardner 5; Silverton, Bouck 4; Tacoma, Flett 883, 34; 
Manor, Piper; Roslyn, Whited 471; 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. 
