140 I. RANUNCULACE^E. ANEMONE. 



head ; achenia 00, mucronate.- ^i- Lvs. radical. Scapes with leaf- 

 like involucres. 



1. A. NEMOROSA (and quinquefolia. Linn.'). Wood Anemone. 



Lvs. ternate ; Ifts. undivided, or with the middle one 3-cleft, and lateral ones 

 2-parted, incisely dentate ; invol. similar to the leaves, petiolate ; st.\ -flowered. 

 A common and interesting little plant, found in old woods, hedges, and some- 

 times in open fields. Root creeping. Stem 69' high, erect. The involucre 

 consists of 3 petiolate leaves, placed in a whorl near the top of the stem, its 

 bracts cut-toothed and lobed, the lateral segments cleft, sometimes quite to the 

 base, so as to render the leaf quinate. At the top of the stem is a single 

 white flower, purplish outside. Apr. May. 



2. A. CYLINDRICA. Gray. 



Whole plant pubescent ; his. ternate, lateral Ifts. 2-parted to the base, middle 

 one deeply 3-cleft, segments all linear, cuneate below, cut-dentate and lobed at 

 apex; Ivs. of invol. petiolate ; ped. 2 6, rarely 1, all naked; sep. 5; ach. woolly, 

 in a long, cylindric head. Dry, hilly places, Mass. W. to la. Not common. 

 Scape about 2f high. Leaves about 2 3' wide, and similar in their divisions 

 to those of Ranunculus acris. Naked flower-stalks 8 10' long, umbellate, but 

 little diverging. Flowers large, solitary. Petals pale yellow, obovate, obtuse. 

 Heads of fruit If long. May, Jn. 



3. A. VIRGINIANAV Virginian Anemone. 



Lvs. ternate ; Ifts. subpetiolate, ovate-lanceolate, cut-dentate, acuminate, 

 lateral ones 2-lobed, middle ones 3-lobed ; invol. foliaceous, petiolate ; fr.. in 

 oblong heads. A tall species in dry woods and hilly pastures. Can. to Car. 

 Scape erect, 2 3 f. high, round, hairy, dividing above into about 3 long, 

 parallel peduncles, middle one naked, lateral ones each with an invol ucel of 2 

 bracts. Leaves 2 3' by 3 4', on radical petioles 610' long, petioles of the 

 bracts much shorter. Flowers solitary, yellowish-green. Fruit woolly, in 

 heads 1' long. July. 

 /?. alba. Oakes. Ms. larger ; sep. white. Ledges, Vt. Dr. Robbins. 



4. A. HUDSONIANA. Rich. (A. multifida, DC. and 1st edit.) 



Hairy ; Ivs. 3 5-parted to the base, segments cuneate, laciniately dentate ; 

 scape 1, 2 or 3-flowered ; invol. and involucels similar, 2-leaved, on short petioles; 

 sep. 58, oval, obtuse. On rocky ledges, shores of Onion River, Colchester 

 and Burlington, Vt. Dr. Robbins. Watertown, N. Y. Dr. Crawe. Rare. 

 Scape 6 10' high, simple, or dividing below the middle. Leaves mostly in 5 

 segments distinct to the base, about I/ diam., each segment \' long, in 3. linear 

 lobes, petioles 1 2' long. Flower small, white, varying to purple. Heads of 

 fruit oval or globose. Jn. 



5. A. PENNSYLVANIA. (A. aconitifolia. Michx. A. dichotoma. Linn.) 

 St. dichotomous ; Ivs. 3 5-parted and incisely dentate ; invol. and involucels 



leaf-like, sessile, 3-parted, the lobes lanceolate, acute, incisely serrate ; sep. 5 ; 

 fr. in globose heads. Shores and rocky places, Penn. N. to Arctic Am. Rare. 

 Scape 15 20' high, dividing above the middle into about 3 shortish peduncles, 

 the middle one naked, the other 2 each with a 2-leaved involucel, the involu- 

 cre at their base. Flowers white, 12 14" diam. Carpels hairy, compressed, 

 as long as the curved style. Jn. Jl. 



6. A. PATENS. (A. Ludoviciana. Nutt.) 



Silky-villous ; Ivs. 3-parted or divided, segments cuneiform, 3-cleft and 

 incised, lobes lance-linear ; invol. subulately dissected ; sep. 5 6, erect. Dry 

 hills, 111. ! W. to Rocky Mts. Stem 6 10' high. Leaves smoothish above, seg- 

 ments 1 3' long, 1 2" wide. The dissected involucre concave or cup-shaped. 

 Sepals 1' long, silky outside, pale dull purple. Tail of the carpels near 2' long. 



7. A. CORONARIA. Poppy-leaved Anemone. Lvs. ternate, with multifid seg- 

 ments and linear, mucronate lobes ; sep. 6, oval, close. From Levant. A 

 hardy, flowering plant, with large, single or double variegated flowers. May. f 



8. A. HORTENSIS. Star Anemone. Lvs. 3-parted, with crenate, cut-dentate 

 lobes; invol. sessile, of oblong, entire or cut leaflets; sep. 10 12, oblong. 



