PIPER FL(H^A OF THE STATE OF WASHINGTON. 275 



Jari^cr iichenos with relatively shorter strongly rocurved style. From R. pcdatifidus J. E. 

 8in. {R. affijiis K. Br.) it difl'crs in its glabrous achenes and less deeply and narrowly cleft 

 foliage. From R. alpeophilus A. Nelson it may be distinguished by its cordate leaves and 

 by the fact that the receptacle is villous only at the tip. Finally from R. allenii Robinson, 

 a plant of Labrador which in many wa3's it rather closely simulates, it differs in its cordate 

 leaves and somewliat larger aclicnes. 



13. Ranunculus bongardi Greene, Erythea 3: ."54. 1895. 

 Ranunculus tenellus Nutt.; Torr &. Gr. Fl. 1: 23. 1838, not Viviani 1831, 

 Ranunculus Jielsonii tenellus A. Gray, Proc. Am. Acad. 8: 374. 1872. 

 Ranunculus occldentalis tenellus A. Gray, Proc. Am. Acad. 21 : 373. 1886 

 Ranunculus bongardi tenellus Greene, Erythea 3 : 54. 1895. 

 Ranunculus douglasii Howell, Fl. N. W. Am. 1 : 18. 1897. 

 Ranunculus arcuatus Ileller, Bull. Torr. Club 24: 310. 1897. 

 Ranunculiis Ixnif/ardii douglasii Davis, Minn. Bot. Stud. 2: 479. 1900. 



Type LOCALrrv: "Shady woods of the Oregon and Waldainet Rivers." Collected by 

 Nuttall. 



Range: Alaska to Idaho and California. 



Specimens examined: Clallam Gt)unty, Elmer 2672, 2679; Admiralty Head, Piper, 

 April, 1898; Tacoma, Flett 38; Silverton, Bouck 52a; west Klickitat County, SuJcsdorf, 

 May 20, 1886; Klickitat River, Flett 1272: Roslyn, Whited 409; Rock Creek, Sandherg & 

 Leiberg 95; Spokane, I>ewar«, May 3, 1901; Pullman, AVwer 847; Hull All \ Pi per, Miiy 31, 

 1894; Waitsburg, /Zorner 43. 



Zonal distribution: Transition and Canadian. 



This and the following were erroneously refcri'ed in older woi'ks to R. recurvutus Poir. 



13a. Ranunculus bongardi greenei (Howell). 



Ranunculus greenei Howell, Fl. N. W. Am. 1: IS. 1S97. 



Ranunculus occidentaUs hjalli A. Gray, Proc. Am. Acad. 21 : 373. 1886, not R. h/alli Hook, 

 f. 1864. 



Ranunculus tenellus lyalli Robinson in Gray, Syn. Fl. 1': 33. 1895. 



'^Ranunculus occidentaUs panriflorus Torr. Bot. Wilkes Exped. 214. 1874. 



TSpe locality: Pend Oreille River, Idaho or Washington, near latitude 49°. Collected 

 by Lyall. 



Range: Alaska to California and Idaho. 



Specimens examined: Lake Washington, SuJcsdorf 951; Cascade Mountains, latitude 

 49°, Lyall in 1859; Port Ludlow^ Binns: Admiralty Head, Piper, May, 1898; Silverton, 

 BoucJc 52; Hoquiam, Lamb 1029, 1071; Seattle, Piper 223; Niscjually Valley, Allen 62, 

 Piper, July 30, 1895; Tacoma, Flett 39; Roy, Brodie, June, 1901; Olympia, Henderson 

 2372; Lower Cascades, Suksdorf: Pend Oreille River, latitude 49°, Lyall in 1861; Clarks 

 Springs, Kreager 58; Blue Mountains, Piper, July 16, 1896; Horner 45. 



Zonal distribution: Transition and Canadian. 



14. Ranunculus occldentalis Nutt.; Tocr. & Gr. FL 1: 22. 1838. 

 Ranunculus tenuipes Heller, Muhlenbergia 1: 50. 1904. 



Type locality: "Plains of the Oregon River, near woods." Collected by Nuttall. 



Range: British Columbia to Oregon in the coast region. 



Specimens examined: Near Montesano, ffe??er 3935; Humptulips, Low/^ 1186; Whidby 

 Island, Gardner 3; Tacoma, Flett 20; west Klickitat County , Suksdorf ; Vancouver, Piper 

 4947. 



Zonal distribution: Humid Transition. 



15. Ranunculus pennsylvanicus L. f. Suppl. 272. 1781. 

 Type locality: "Habitat in Pennsylvania." 



Range: British Columbia to Nova Scotia, southward to Arizona and Georgia. 



