10 RANUNCULACE^. anemone. 



compressed, pointed, or ending in long feathery tails. 



§1. PreonaThus,,DC. Prod. i. 17 ' InvDlucre of .2 or 3 more or 

 less petiolate and petlolulate leaves, .^lowers large, solitary. Sep- 

 als thin, widely spreakiing. Carp6ls Tvith long filiform styles that 

 become plumose tails to the achenes. 



A. occldentalis Watson Proc. Am. Acad, xi, 121. More or less silky- 

 villous throughout : stein stout, 6-18. inches high: radical leaves large, 

 long-petioled, biternate'and pinnate; Involucral leaves similar, nearly ses 

 sile: sepals: 6-8, 6-9 lines long, white, or purplish at base. On high moun- 

 tains near perpetual snow, California to Alaska and the Kocky Mountains. 



. § 2. EuANEMONE Gray Syn.. El. i, 8. Carpels with short and 

 not plumose styles. Involucre petioled. peduncle solitary. 



* Style short, nearly naked, not becoming elongated. 



+ Carpels numerous, in a, close head, villous. 



A. Urummondil "Watson Bot. Cal. ii, 424, Pparingly; pubescent ; stems 

 slender, from tufted rootptocks, 3-15 inches high : radica,] leaves on long 

 petioles, tfernate; leaflets-deeply 3-5 lobed, the narrow segments 2-3-cleft: 

 involucral leaves similar, "nearly sessile, with a slightly narrowed base : 

 sepals 5-7, pale blue, 4-5 lines long, silky-villous outside : style slender, 

 glabrous: achenes densely villous. On the highest mountains near-per- 

 petual enow, Washington and Oregon to orthern California. 



A. multiflda. Poir. I'^uppl. i, 364. ' Pomewhat silky-villous: stems 3-15 

 inches high : radical leaves long petioled, nearly semicircular in outline, 

 ternate, the sessile divisions deeply lobed \vith cleft linear segments: invo- 

 lucraMeaves similar, shortly petioled: sepals 5-8, red or bluish or whitish, 

 4-6 lines long, villous outside : receptacle dblorig, the head in fruit globular 

 to oblong; achenes densely woolly, ovate-oblong, with a straight beak. On 

 high mountains, Oregon to Alaska and the Eastern States. 



A. Tetcnensis Porter in Britton An. N. Y. Acad. r?ci. vi. 224. Nearly 

 related. to the last but lower and more slender : leaf-segments somewhat broad- ■ 

 er, obtntish. glabmte : flowers deep purple : achenes dorsally glabrate. Idaho 

 Ti'ton Range 10,.000 feet J. M..Coulter, and Needlt Peak of l,08t -River Moun- 

 taius, F. Bailey. Robinson in Gray, Syn. Fl. i, 10. 



■ ' ^- H_ Carpels fewer, pubescent but not villous. 

 A, delloidea Hook^Fl. i, 6„t. 3. Stem simple, slender, 6-14 inches high 

 from long running root-stocks: radical leaves trifoHate; leaflets rhomboid, 

 crenate-serrate ; involucral leaves rhomboid or rhombic-ovate, on very 

 short petioles, serrate and sometimes 3-lobed: sepals about 5, white oval 

 4-6hneslong, usually unequal: achenes few globose-ovoid, tipped with 

 the short style, Common in wooded districts, N. California to Brit. Col. 



A. Oregana Gray Proc. Am. Aca(i. xxii, .308. Smoothish: stem 

 slender, 3-12 iriches high from a fleshy, very brittle, somewhat running 

 root-stcck: radical leaves trifohate, the leaflets coarsely serrate; involucral 

 leaves long-petioled, trifohate, the terminal leaflet 3-lobed, the lateral ones 

 usually 2-lobed all coarsely toothed and cut: sepals 4-7, oval to obovate, 

 blue: carpels, 15-20, oblong, tipped with a hooked beak. Moist shady 

 slopes, western Oregon and Washington. ^ 



'^itJ'J^i^}^ ^'■f "r ^-i^- ^^7: {• «««»9»«/o«« var. LyallH Robinson I. c. 13. 

 Stem slender, 3 to 4 mohes liigh: leaves trifoliate; leaflets ovate to lanceo- 

 late, obtuse or acute, obtusely toothed: flowers small, a third to half inch in 

 diameter, pale blue or whitish. From \raucouver Island to the Willamette 

 valley and the Redwoods of CaUfornia ^^ u» me vviuamette 



