Davis: RANUNCULI OF NORTH AMERICA. 481 



Rather leafy ; upper leaves more deeply and repeatedly 

 cleft : styles longer, slender, subulate, nearly straight. Dry 

 hills, Ashland, Oregon, southward toward Klamath river, 

 Calif. 



Var. ultramontanus GREENE, Pitt. 3: 13. 1896. 



Plant tufted ; divisions of lower leaves not cuneiform, deeply 

 cleft into lanceolate segments ; upper ones lanceolate, entire : 

 several flowers ^ inch across : styles hooked. Moist places, 

 Truckee river, east of Sierras, Calif. 



Var. Rattani GRAY, Proc. Am. Acad. 21 : 373. 1886. 

 R. Rattani HOWELL, Fl. N. W. Am. 1 : 17. 1897. 

 R. ciliosus HOWELL, 1. c. 



Differs from the type in having the akenes covered with 

 short, stiff hairs and also roughened with papillae. Josephine 

 county, Ore., to central California. 



Var. robustus GRAY, Proc. Am. Acad. 21 : 373. 1886. 

 R. occidentalis GRAY, Proc. Am. Acad. 8: 374. 1872. 



Stem stout, often a foot high : flowers large, 9 to 15 lines 

 long, long-peduncled : petals broadly obovate : akenes numer- 

 ous, very large. Unalaska and islands westward. 



39. R. Turner! GREENE, Pitt. 2 : 296. 1892, except syn. 



Plant appearing much like a tall specimen of R. occidentalis : 

 petals longer, 4 to 7 lines long : flowers long-peduncled : more 

 akenes in a head ; styles circinately-revolute, strongly so. Por- 

 cupine river, Alaska. 



40. R. acris LINN. Sp. PI. 554. 1753. 



Plant hairy up to the sepals, erect, ^ to 3 feet high, often 

 branched : radical leaves on long slender petioles ; others with 

 shorter petioles sheathing the stem, or nearly sessile : leaves 3- 

 parted nearly to the base, the divisions ovoid-cuneate, 2-3-lobed 

 and coarsely toothed or cut ; bracts linear, lobed or entire : 

 flowers yellow, 9 to 12 lines across, several, on rather short pe- 

 duncles ; sepals hairy beneath, ovate, shorter than the petals ; 

 petals 5, glabrous, obovoid, obtuse, bearing a prominent scale 

 at base : akenes compressed, coriaceous on margins ; style very 

 short : head globose. May to September. Newfoundland, 

 Canada, Eastern States. Said to be naturalized from Europe. 

 Var. Jlore-pleno HORT. is more used in the trade. Bot. Mag. 

 215- 



