36 RANUNCULACE^. (CROWFOOT FAMILY.) 



■t- •»- Stents ch'mhl)i(j : leai-es pinnate : cali/x {and foliage) glabrous or piiherulent. 



3. C Viorna, L. (Leather-flower.) Calyx ovate and at length bell- 

 shaped ; the purplish sepals very thick and leathery, tipped with short recurred jmints ; 

 the long tails of ihe fndt very plumose ; leaflets 3-7, ovate or oblong, sometimes 

 slightly cordate, 2-3-lobcd or entire; uppermost leaves often simple. — Kich 

 soil, Pennsylvania, Ohio, and southward. May -Aug. 



4. C. Pitcheri, Torr. & Gray. Calyxbell-shapcd ; the dull purplish sepals 

 with narrow and slighdy margined recurved points ; tails of the fruit Jiliform and 

 barely pubescent ; leaflets 3-9, ovate or somewhat cordate, entire or 3-lobed, much 

 reticulated; uppermost leaves often simple. — Illinois on the Mississippi, and 

 southward. June. 



5. C. cylindrioa, Sims. Calyx cylindraceous below, the upper half of 

 the bluish-purple sepals dilated and widely spreading, with broad and wavy thin 

 margins ; tails of the fruit silky ; leaflets .5 - 9, thin, varying from oblong-ovate 

 to lanceolate, entire or 3 - 5-parted. — Virginia near Norfolk, and southward. 

 May - Aug. 



* * Flowers in panicled clustej-s, polygamo-dicecious : sepals thin: anthers oblong. 



6. C. Virginiana, L. (Common Virgin's-Bower.) Smooth; leaves 

 bearing 3 ovate acute leaflets, which are cut or lobed, and somewhat heart-shaped 

 at the base ; tails of the fruit plumose. — River-banks, &c., common ; climbing 

 over shrubs. July, August. — The axillary peduncles bear clusters of numerous 

 white flowers (sepals obovate, spreading) ; the fertile succeeded in autumn by the 

 conspicuous feathery tails of the fruit. 



2. ANEMONE, L, Anemone. Wind-flower. 



Sepals few or many, petal-like. Petals none, or in No. 1 resembling abortive 

 stamens. Achenia pointed or tailed, flattened, not ribbed. Seed suspended. — 

 Perennial herbs with radical leaves ; those of the stem 2 or 3 together, oppo- 

 site or whorled, and forming an involucre remote from the flower. (Name from 

 fivffios, the wind, because the flower was thought to open only when the wind 

 blows.) 



§ 1. PULSATfLLA, Tourn. Carpels numerous in a head, with long and hairy 

 styles which in fruit form feathery tails, as in Clematis : flower large, usually with 

 some glandular bodies like abortive stamens answering to petals, but minute or 

 indistinct. 



1. A. patens, L., var. Nuttalliana. (Pasque-flower.) Villous with 

 long silky haii's ; flower erect, developed before the leaves ; which are ternately 

 divided, the lateral divisions 2-parted, the middle one stalked and 3-parted, 

 the segments deeply once or twice cleft into narrowly linear and acute lobes ; 

 lobes of the involucre like those of the leaves, at the base all united into a shal- 

 low cup; sepals 5-7, purplish or whitish (1'- I2" long), spreading when in full 

 anthesis. (A. Nuttalliana, DC. Pulsatilla Nuttalliana, ed. 2. P. patens, var. 

 Wolfgangiana, Trautv.) — Prairies, Illinois {Bebb), Wisconsin (Lnpham), thence 

 northward and westward. March -April. — A span high. Tail of carpels 2' 

 long. (Eu. Siberia.) 



