274 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Specimens examined: Near Goldcndalo, Howell, April 20, 1882; Klickitat Hills, Gor- 

 man, April, 1895. 

 Zonal distribittion: Arid Transition. 



9. Ranunculus sceleratus L. Sp. PI. 1 : 551 . 1753. 

 Ranunciilufi eremogenes Greene, Erythea 4: 121. 1896. 

 Type i>ocai.ity: European. 



Range: British Columbia to New Brunswick, Arizona, Kansas, and Florida. Asia. 

 Europe. 



Specimens examined: Whidby Island, Pijter; Fairhaven, Henderson, July 2, 1892; 

 KcH'k Creek, P»/xr 279.3; junction Crab and Wilsoncreeks,i.Srtm//><'rj/cfe/vci6cr(/285; Whidby 

 Island, Gardner 4; Admiralty Head, Pif)er, May, 1898; Alma, Elmer 547; Coulee City, 

 lAtke cfe Hull 413; Meyei-s Falls, Kreayer; Stuart Island, Laurence 152. 



Zonal oitrrRiBUTioN: Transition. 



10. Ranunculus suksdorfii A. Gray, IVo<'. Am. Acad. 21: 37.1. 1880. 



Type ukauty: Mount Adams, Washinjjton, in damp ground at 6,000 to 7,000 feet 

 altitude. Collected b}- Suk-sdorf. 



Range: Washington and Oregon. 



Specimens examined: Olymiw Mountains, Henderson 1846; Mount Rainier, Allen 97; 

 Piper 2005; Mount Adams, Suksdorf 234, 628; Stevens Pass, Sandberg tfe Leiberg 766. 



Zonal Di.sTRiniTioN: Arctic. 



11. Ranunculus eschsholtzii Schlect. Ranunc. 2: 16. 1820. 



Type ixx;ality: "I lab. in insulis Unala-schka et St. Georgii." Collected by Chamisso. 



Range: Alaska to Colorado and California. 



Specimens examined: Olympic Mountains, Piper 2004; Baldy Peak, Lamb 1361; Cas- 

 cade Mountains, latitude 49°, Lyall in 18()(); Mount Stuart, lirandegee ()09; Elmer 1215; 

 Mount Adams, Suksdorf 92; Horseshoe Basin, Lake dt Hull 775; Stevens Tass, Sandberg 

 cfc Leiberg 769. 



Zonal distribution: Arctic. 



12. Ranunculus verecundus Robinson, sp. nov. 



llerba parva percnnis ^ dm. alta; radice e fibris numcrosis fu.scis longis baud incrassatis 

 composita; caudice erecto a basibus |M;tiolorum latiusculis pallidis submembranaceis deindc 

 in fibris dissolutis amplecto: caulibus J suberectis vcl valde nutantilms vcl ctiam procum- 

 bcntibus saepius semel ramosis; foliis radicalibus paucis vcl sacpius sate numcrosis, limbo 

 reniformi vcl suborbiculari conspicue cordato tripartite 2-2.5 cm. lato utrincjuo glabro, 

 segmentis 3-.5-lobatis vcl profunde crcnatis, lobis oblongis obtusis vcl rotundatis, petiolo 

 2-4 cm. longo glabro vcl sparse villosulo basi mcmbranaceo-expanso; foliis caulinis 1-3 

 distantibus breviter petiolatis fere ad basin 3-5-partitis, segmentis lincari-oblongis vcl 

 nngusti.ssimc ellipticis; pcdunculis teretibus glabris 3-7 cm. longis; sepalis 5 concavis 

 suborbicularibus purpurascentibus dorso pubescentibus apicc rotundatis margine palles- 

 ccntibus 2-4 mm. longis; petalis obovatis scpala acquantibus vel vix supcrantibus flavis 

 sed in speciminc exsiccato albesccntibus vcnosis persistent! bus; staminibus numcrosis, 

 antlieris flavibus quam filamenta filiformia brevioribus; achacniis numcrosis in capiliilo 

 ovoidco vcl breviter cylindrico congestis glabris a latere comprcssis 1.8 mm. longis obo- 

 voidcis apice stylo brevi recurvato coronatis; rcccptaculo ellipsoideo vel subcylindrico 

 foveolato albescenti praeter apiccm villosulum glaberrimo. 



W^asiungton: Wet gravell}' places, Mount Paddo (Adams), altitude 1,850-2,150 meters, 

 July 31, 1883, W. N. Suksdorf 93 (type, in Hb. Gray); same locality and collector, August 

 30, 1904; rocky ridges and ledges, Mount Rainier, altitude 2,300 meters, J. B. Flett 2177. 

 Montana: Little Belt Mountains, altitude 2,600 meters, F. L. Scribner, August 12, 1883, 

 4 (Hb. Gray). 



From its nearest allies, this species may be distinguished as follows: From K. esch- 

 scholtzii Schlecht. it differs in its decidedly cordate scarcely or not at all ciliate leaves, and 



