62 



RANUNCULACEAE. 

 14. ANEMONE L,. Sp. PI. 538. 1753. 



[VOL. II. 



Erect perennial herbs. Basal leaves lobed, divided or dissected, those of the stem 

 forming an involucre near to or remote from the flower. Sepals 4-20, petaloid. Petals none. 

 Stamens oo , shorter than the sepals. Carpels oo . Achenes compressed, i-seeded. [From 

 the Greek, a flower shaken by the wind.] 



About 7S species, widely distributed through the temperate and subarctic regions of both hemi- 

 spheres. About 16 species are natives of North America. 



-X- Achenes densely woolly. 

 Stem simple, slender, i-flowered. 



Root tuberous; sepals 6-20, narrow. I. A. Caroliniana. 



Rootstock slender; sepals 5-6, oval. 2. A. parviflora. 



Stem commonly branching above, tall, generally 2-several-flowered. 



Leaves of the involucre sessile or short-petioled; sepals red; head of fruit globose or oval. 



3. A. multifida. 



Leaves of the involucre slender-petioled; sepals white or green; head cylindric, oval, or oblong. 

 Head of fruit cylindric; divisions of the leaves wedge-shaped, narrow. 4. A. cylindrica. 

 Head of fruit oblong or oval; divisions of the leaves ovate, broad. 5. A. virginiana. 



ft 4f Achenes pubescent, or nearly glabrous. 



Leaves of the involucre sessile. 



Stout, i-2 high, branching and bearing several flowers; carpels nearly orbicular. 



6. A. Canadensis. 



Slender, 2'-! 2' high, i -flowered; carpels narrow. 7. A. Richardsmui. 



Leaves of the involucre petioled. 



Involucral leaf divisions lobed and incised; plant 4' -9' high. 8. A. quinquefolia. 



gh. 



Involucral leaf-divisions dentate; plant io'-i6' higr 



i. Anemone Caroliniana Walt. Carolina 

 Anemone. (Fig. 1569.) 



Anemone Caroliniana Walt. Fl. Car. 157. 1788. 



Sparsely hairy, 4 / -io / high, arising from a tuber 3"-4" 

 in diameter. Basal leaves slender-petioled, 3-divided, the 

 divisions variously lobed and parted, those of the involu- 

 cre sessile and 3-cleft; flower erect, 9"-i8" broad; sepals 

 6-20, linear-oblong, purple, varying to white; head of 

 fruit oblong; achenes densely woolly. 



Open places, Illinois to Wisconsin and Nebraska, south to 

 Georgia and Texas. April-May. 



9. A. trifolia. 



2. Anemone parvifldra Michx. Northern 

 Anemone. (Fig. 1570.) 



Anemone pan'iflora Michx. Fl. Bor. Am. i: 319. 1803. 



Sparingly hairy, 4 / -i2 / high from slender rootstocks. 

 Basal leaves long-petioled, 3-parted, the broadly wedge- 

 shaped divisions obtusely lobed or crenate, those of the 

 involucre nearly sessile, similarly lobed; flower i' in 

 diameter or less; sepals oval, very obtuse, white; head of 

 fruit short-oval or globose; achenes densely woolly. 



Anticosti, Labrador, Newfoundland and Quebec to Wis- 

 consin, Minnesota, and in arctic America, south in the 

 Rocky Mountains to Colorado. Also in northern Asia. 

 May-June. 



