274 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Specimens examined: Near Goldeudalo, Hoirell, April 20, 1S82; Klickitat Hills, Gor- 

 man, April, 1895. 



Zonal distribution: Arid Transition. 



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

 Ranunculus eremogenes Greene, Erythea 4: 121. 1896. 

 Type locality: European. 



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

 Europe. 



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

 Rock Creek, Piper 2793 ; junction Crab and Wilson creeks, Sandbery cfc Leiherej 285; Whidliy 

 Island, Gardner 4; Admiralty Head, Piper, May, 1898; Alma, Elmer 547; Coulee City, 

 LaTce & Bull 413; Meyei's Falls, Kreager; Stuait Island, Lawrence 152. 



Zonaj. distribution: Transition. 



10. Ranunculus suksdorfii A. Gray, Proc. Am. Acad. 21: 371. 1886. 



Type locality: Mount Adams, Washington, in damp ground at 6,000 to 7,000 feet 

 altitude. Collected by Suksdorf. 



Range: Washington and Oregon. 



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

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



Zonal distribution: Arctic. 



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



Type locality: "llab. in insulis Unalaschka et St. Georgii." Collected by Chamisso. 



Range: Alaska to Colorado and California. 



Specimens examined: Olympic Mountains, Piper 200\; Baldy Peak, Lamb 1361; Cas- 

 cade Mountains, latitude 49°, Lyall in 1860; Mount Stuart, Brandegee 609; Elmer 1215; 

 Mount Adams, Suksdorf 92; Horseshoe Basin, Lake <£• Hull 775; Stevens Tass, Sandberg 

 d' Leiberg 769. 



Zonal distribution: Arctic. 



12. Ranunculus verecundus Robinson, sp. nov. 



Herba parva perennis ^ dm. alta; radice e fibris numerosis fuscis longis baud incrassatis 

 composita; caudice erecto a basibus pctiolorum latiusculis pallidis submembranaceis dcinde 

 in fibris dissolutis amplccto; caulibus J suberectis vel valde nutantibus vel ctiam procum- 

 bentibus sacpius semel ramosis; foliis radicalibus paucis vel saepius sate numerosis, limbo 

 reniformi vel suborbiculari conspicue cordato tripartito 2-2.5 cm. lato utrincjue glabro, 

 segmentis 3-5-lobatis vel profunde crenatis, lobis oblongis obtusis vel rotundatis, petiolo 

 2-4 cm. longo glabrt) vel sparse villosulo basi membranaceo-expanso; foliis caulinis 1-3 

 distantibus breviter petiolatis fere ad l)asin 3-5-partitis, segmentis lineari-oblongis vel 

 angustissime ellipticis; pedunculis teretibus glabris 3-7 cm. longis; sepalis 5 concavis 

 sul)orl)icularibus purpurascentibus dorso pubescentibus apice rotundatis margine palles- 

 contibus 2-4 mm. longis; petalis obovatis sepala aequantibus vel vix supeiantibus fiavis 

 scd in specimine exsiccato albcscentibus venosis persistentibus; staminibus numerosis, 

 anlheris fiavibus quam filamenta filiformia brevioribus; achaeniis numerosis in capitulo 

 ovoideo vel breviter cylindrico congestis glabris a latere compressis 1.8 mm. longis obo- 

 voideis apice stylo brevi recurvato coronatis; receptaculo ellipsoideo vel subcylindrico 

 foveolato albescenti praeter apicem villosulum glaberrimo. 



Washington: Wet gravelly 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 A', esc.h- 

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



