4 RANUNCULACE^E. (CROWFOOT FAMILY.) 



mose. — Copses near Brooklyn, New York; Pennsylvania and Virginia ■ rare. 

 May. — A foot high. Calyx yellowish within. 



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



2. C. Viorna, L. (Leather-flower.) Calyx orate and at length 

 bell-shaped ; the purplish sepals 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-lobed or entire; uppermost 

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



3. C. Pitcheri, 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 cyliiidricia, 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 clusters : sepals thin : anthers oblong. 



5. C. Virginiana, L. (Common Viegin'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), which are polygamous or dioecious ; 

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



3. PUL.SATiliL.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. Nuttalliana. Villous with long silky hairs ; flower erect, devel- 

 oped before the leaves ; which are temately 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 the 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, Q-c. not of L. A. Nuttalliana, 

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

 April. — A span high. Sepals l'-lj' long. Tails of the fruit 2' long. More 

 like P. vulgaris than P. patens of Em-ope. 



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



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

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



