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Flora boreali-americana or the botany of the northern parts of British America : compiled principally from the plants collected by Dr. Richardson & Mr. Drummond on the late northern expeditions, under command of Captain Sir John Franklin, R.N. To which are added (by permission of the Horticultural society of London,) those of Mr. Douglas, from north-west America, and of other naturalists / by William Jackson Hooker
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RANUNCULACEA5.

9

H. Americana. Nutt. N. Am. FI. v. 2. p. 20.—Anemone Hepatica. Linn. Sp. PI. p. 758.Curt. Hot. Mag. t. 10.

<*. foliorum lobis acutiusculis. — II. triloba. Cliaix in Fill. Dtlyh. v. 1 . p. 33(5. JJe Cand.Prodr. v. I . p. 22.

/3. folio rum segmentis acntis.—II. acutiloba. De Cand. Prodr. v. 1. p. 22. —Anemonetriloba, var. /3. acuta. Bigel. FI. Bost. ed. 2. p. 222. Pursh, FI. Am. v. 2. p. 391.

S. foliorum lobis obtusis.—II. Americana. Ker, in Bot. lleg. t. 387. De Cand. Prodr.v. 1. p- 22.—II. triloba, /3. De Cand. Syst. Veget. v. 1. p. 216.—II. triloba, *. Pursh , FI.Am. v. 2. p. 391. Bigel. FI. Bost. ed. 2. p. 222.

IIah. la woods in tho central limestone tracts from Canada to lat. 52°. Mr. Drummond found it as farnorth as lat. 55°, in the secluded alpine rallies on the eastern declivity of the Rocky Mountain ridge. Dr.Richardson. The varieties grow indiscriminately.—A plant varying much in the lobes of its leaves, rounded,obtuse, oval, or acute, as Micliaux has justly remarked. In the young state tho plant is clothed with long,and on the petioles and scapes, spreading, silky hair. There can be no question of the identity of theAmerican and European individuals. Dr. Boott has gathered a var. near Boston , United States , with a five-lobed leaf.

5. HYDRASTIS. Linn.

Cal. 3-sepal us, sepalis ovatis. Pet. nulla. Stamina ovariaque plurima. Cariopsidesbaccatse, plurima; in capitulum aggregate, stylo terminate, 1-loculares, 1-2 sperniat.Semina ovoidea, laevigata. DC.

1. II. canadensis. — Linn. Sp. PI. p. 784. Mich. Am. v. 1. p. 317. Pursh, Id. Am. v. 2.p. 389. Elliott, Carol, v. 2. p. 55. De Cand. Prodr. v. 1. p. 23.—Warneria. “ Mill. Ic.2. p. 190. t. 285.”

IIah. Canada ; in water. Linn. According to Pursh, and other American botanists, in shady woodson fertile soil, and among rocks; in the Alleghany tract of mountains. Michaux .—According to Micliaux,this plant seems confined to the Alleghany chain; and, following its course, extends from Canada to Caro-lina. It is probably rare, for none of our recent travellers have seen it in Canada , nor have I ever receiveda specimen. De Candolle , who describes the plant from dried specimens, says that the Root (which is bitter,pungent, and tonic, yielding a beautiful yellow dye, whence the name Yellow Root,) consists of intenselyyellow fleshy tubercles. The Stem is herbaceous, simple, single (lowered, bearing two or three Leaves , thetwo lower ones petiolated, the upper one nearly sessile, all of them 3-5 partite, the lobes coarsely toothed,acute. Flowers white, purplish, terminal, pedunculated. Fruit fleshy, red, like that of a Rubus , to theherbaceous species of which, Nuttall compares the habit of the whole plant.

G. ADONIS. Dill.

Cal. 5-sepalus, adpressus, sepalis interdum basi solutis. Pet. 5-15, ungue nudo. Stam.plurima, ad basin gonophori inserta. Ovaria plurima. Cariopsides plurima; monosperma;,secus gonophorum spicata;, ovatai, stylo brevi subaccreto acuminata;. Embryo ovatus,cotyledonibus subdistantibus. Folia caulina pinnati-partila, lobis multijidis. DC.

1. A. autumnalis; calyce glabro, petalis 6-8 concavo-conniventibus calyce vix mn-joribus, carpellis subreticulatis in capitulum ovatum aggregatis stylo brevissimo coronatis,caule rainoso.— Linn. Sp. PI. p. 771. Sm. in Engl. Bot. t. 308.

 
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