4 RANUNCULACE^E. (CROWFOOT FAMILT.) 



raose. Copses near Brooklyn, New York ; Pennsylvania and Virginia rare 

 May. A foot high. Calyx yellowish within. 

 *-- Stems climbing : leaves pinnate : calyx (and foliage) glabrous or puberulent. 



2. C. VHM iia, L. (LEATHKK-FLOWER.) Calyx ovate and at length 

 bell-shaped ; the purplish sejKils very thick and leathery, with abrupt edges, tipped 

 with short recurved points ; the long tails of the fruit very plumose; leaflets 3-7, 

 ovate or oblong, sometimes slightly cordate, 2- 3-lobcd or entire; uppermost 

 leaves often simple. Rich soil, Penn., Ohio, and southward. May -Aug. 



3. C. Pftclierl, Torr. & Gray. Calyx bell-shaped; the dull purplish 

 tepals with narrow and slightly margined recurved points; tails of the fruit filiform 

 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. 



4. C. cylindrical, Sims. Calyx cylindraceous below, the upper half of 

 the bluish-purple sejxils dilated and widely spreading, with broad and waiy thin 

 maryins ; 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 panic! ed clusters : sepals thin : anthers oblonq. 



5. C. Virgiiiiana, L. (COMMON VIRGIN'S-BOWER.) Smooth ; leaves 

 oearing 3 ovate acute leaflets, which are cut or lobcd, 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), which are polygamous or dioecious ; 

 the fertile are succeeded in autumn by the conspicuous feathery tails of the fruit. 



3. PUL.SATIJLL.A, Tourn. PASQUE-FLOWER. 



Sepals 4-6, colored. Petals none, or like abortive gland-like stamens. 

 Achenia with long feathery tails. Otherwise as Anemone ; from which the 

 genus does not sufficiently differ. (Derivation obscure. The popular name 

 was given because the plant is in blossom at Easter.) 



1. P. IV 11 Ha I lift 11:1. Villous with long silky hairs ; flower erect, devel- 

 oped before the leaves ; which are ternately divided, the lateral divisions 2-part- 

 ed, the middle one stalked and 3-partcd, the segments deeply once or twice cleft 

 into narrowly linear and acute lobes ; lobes of tbe involucre like those of the 

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

 ing. (P. patens, ed. 1. Anemone patens, Hook, frc. not of L. A. Nuttal liana, 

 DC. A. Ludoviciana, Nutt.) Prairies, Wisconsin (Lapham) and westward. 

 April. A span high. Sepals !'-!' long. Tails of the fruit 2' long. More 

 like P. vulgaris than P. patens of Europe. 



4. AAENI6NE, L. ANEMONE. WIND-FLOWER. 



JSepals 5-15, petal-like. Petals none. Achenia short-beaked or blunt. Seed 

 responded. Perennial herbs with radical leaves; those of the stem 2 or 3 to- 



