272 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Beaks of the akenos not liookcd at tip. 

 Akenes with a short beak. 



Plants decumbent, creeping by 



stolons; petals showy ...... 17. i?. repens. 



Plants erect or ascending, not 

 . stoloniferous. 



Headof akenes oblong; petals 



not longer than the sepals. . 15. B. pennsylranicus. 

 Head of akenes globose ; petals 

 longer than the sepals. 

 Herbage smooth or but lit- 

 tle hirsute 16. Z?. ore.f/ami.s. 



Herbage very hirsute 16a. E . oreganus rnacounii 



Akenes with a long beak. 



Leaf segments rathersmall, linear 

 to cuneate-obovate, and 2 or 



3-lobed or toothed IH. R. orihorhyiichus. 



Leaf segments large, 2 to 6 cm. 

 long, oblong to ovate, cleft and 

 incise 19. R. pJatuphyllns. 



1. Ranunculus delphinifolius Torr. in Eaton, Man. ed. 2. 395. 1S18. 

 RaniincnIuK nmUlJidns Pursh, Fl. 2: 736. 1814, not Forst. 1775. 

 Type locality': None given. 



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

 Specimens examined: Rock Creek, Sandberg & Leiherg 82; west Klickitat County, 

 Suksdorf 2Md,; Cheney, Mrs. Tucker 83. 

 Zonal distribution: Arid Transition. 



la. Ranunculus delphinifolius terrestris (A. Gray). 

 Ranunculus multlfidus terrestris A. Gray, Man. ed. 5. 41. 1872. 

 Type locality : Ann Arbor, Michigan. 

 Range: Same as of the species. 

 Specimens examined: Klickitat County, Suksdorf. 



2. Ranunculus purshii Richards. Bot. App. Frankl. Journ. 741. 1823. 

 Ranunculus iunosus Nutt.; Torr. & Gr. Fl. 1: 20. 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; Eliensburg, Whited 645; Lincoln County, Henderson 2369; near 

 Sprague, Sandberg <& Leiherg 209 : Box Canyon, Kreager 394; Mission, £'rea^er 494; Valley, 

 Beattie cfc Chapman 2161. 



Zonal distribution: Arid Transition. 



3. Ranunculus flammula unalaschensis (Bess.) Ledeb. Bull. Soc. Nat. Mosc. 342; 



41. 1861. 



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



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



Ranuncidus intermedius Heller, Bull. Torr. Club 25: 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; 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. 



