RANUNCULACE^. (CROWFOOT FAMILY.) 87 



§ 1. PULSATILLA. Carpels numerous m a head, with long hairy sti/tes 

 which in fruit form feather ji tails, as iti Clematis; flower large, usually with 

 some minute or indistinct (jland-like abortive stamens answering to petals. 



1. A. patens, L.,var.Nuttalli^na, Gray. (Pasque-flower.) Villous 

 with long silky hairs ; peduncle solitary ; flower erect, developed before the 

 leaves, which are ternately divided, the lateral divisions 2-parted, the middle 

 one stalked and 3-parted, the segments (leej)ly once or twice cleft into nar- 

 rowly linear and acute lobes; lobes of the sessile involucre like those of the 

 leaves, at the base all united into a shallow cup ; sepals .5 - 7, purplish or whitish 

 (1 -\Y long), spreading when in full anthesis. — Prairies, 111. and Mo., thence 

 northward and westward. March- A])ril. — A sj)an high. Tail of carpels 2' 

 long. (Eu., Siberia.) 



§ 2. ANEMONE proper. Styles short, not plumose. Staminodia none. 



* Achenes densely long-woolly, compressed ; involucre far below the flower. 



t- Stem single, from a small tuber ; sepals 10-20; style filiform. 



2. A. Caroliniana, AValt. Stem 3 -6' high; root-leaves once or twice 

 3-parted or cleft; involucre 3-parted, its wedge-shaped divisions 3-cleft; sepals 

 10-20, oblong-linear, purple or whitish; head of fruit oblong. — 111. to Keb. 

 and southward. May. 



-t- 4- Stems several ; sepals 5-8; style fli form. 



3. A. parvifl6ra, Michx. Stem 3-12' high from a slender rootstock, 

 1-flowered; root-leaves 3-parted, their broadly wedge-shaped divisions creuate- 

 incised or lobed; involucre 2-3-leaved; sepals 5 or 6, oval, Avhite ; head of 

 fruit globular. — Lake Superior, northward and westward. May, June. 



4. A. multifida, Poir. Stems from a branching caudex, silky-hairy 

 (6-12' high) ; principal involucre 2-3-leaved, bearing one naked and one or 

 two 2-leaved peduncles; leaves of the involucre short-petioled, similar to the 

 root-leaves, twice or thrice 3-parted and cleft, their divisions linear ; sepals 

 obtuse, red, sometimes greenish-yellow or whitish ; head of fruit spherical or 

 oval. — Rocks, etc., N. E. Maine to Lake Superior, north and westward; rare. 

 June. ^ 



•1- -t- -H- Taller, commonly branching above or producing two or more peduncles ; 

 involucral leaves long-petioled ; sepals 5-8, silky or downy beneath (4-6" /o/j^), 

 oval or oblong ; style subulate. 



5. A. cylindriea, Gray. (LoxG-FRUiXEr) A.) Slender (2° high), silky- 

 pubescent ; flowers 2-6, on very long upright naked peduncles ; involucral 

 leaves twice or thrice as many as the peduncles, 3-tlivided ; their divisions 

 wedge-lanceolate, the lateral 2-parted, the middle 3-cleft ; lobes cut and toothed 

 at the apex ; sepals 5, rather obtuse, g;Teeiuii\i-w]ute; head of fruit cylindrical 

 (1' long). — Dry Avoods, N. Eng. to Mo., and northwestward. May. — Pedun- 

 cles 7-12' long, all from the same involucre and naked throughout, or one 

 involucellate in the middle. 



6. A. Virgini^na, L. More loosely pubescent or glabrate ; involucral 

 leaves 3, 3-parted ; their divisions ovate-lanceolate , pointed. ^*"t-serrate, the lat- 

 eral 2-parted, the middle 3-cleft; peduncles elongated, the earliest naked, the 

 others with a 2-leaved involucel at the middle, repeatedly proliferous ; sepals 5, 



