R ANUNCULACEAE . 



[VOL. II. 



6. Anemone Canadensis I,. Canada 

 Anemone. (Fig. 1574.) 



Anemone Canadensis L. Syst. Ed. 12, 3: App. 231. 1768. 

 Anemone Pennsylz'amca L- Mant. 2: 247. 1771. 



Rather stout, i-2 high, somewhat hairy, espe- 

 cially on the lower surfaces of the leaves, branch- 

 ing at the involucre. Basal leaves long-petioled, 

 broader than long, 3-5-partcd, the divisions broad, 

 oblong, acute, variously cleft and toothed, those of 

 both primary and secondary involucres similar, 

 sessile; sepals white, oblong, obtuse; flower I'-iJ^' 

 broad; head of fruit globose; achenes flat, nearly 

 orbicular, pubescent, tipped with the stout persis- 

 tent style, which is about their own length. 



Low grounds, Labrador to the Northwest Territory, 

 south to Pennsylvania, Kansas, and in the Rocky Moon* 

 tains to Colorado. A. dichotomy L., to which this has 

 been referred, is a Siberian species with glabrous ovate 

 achenes. May-Aug. 



7. Anemone Richardsonii Hook. Richardson's 

 Anemone. (Fig. 1575.) 



Anemone Richardsonii Hook. Fl. Bor. Am. i: 6. 1829. 



Low, slender, pubescent, 2 / -i2 / high from slender root- 

 stocks. Basal leaves reniform, slender-petioled, 3-5- 

 parted, the lobes acute, broadly oblong, dentate or crenate; 

 those of the involucre similar, sessile; flower solitary, 9" 

 broad, white (?); sepals about 6, oblong; head of fruit de- 

 pressed-spherical; achenes nearly glabrous, compressed, 

 ovate-oblong, reflexed, tipped with a hooked persistent 

 style of about their own length. 



Shore of Hudson Bay and in arctic America generally. Also 

 widely distributed in Siberia, Summer. 



8. Anemone quinquefolia L. Wind-flower. (Fig. 1576.) 



Anemone quinquefolia L. Sp. PI. 541. 1753. 



Anemone nemorosa Michx. Fl. Bor. Am. i: 319. 1803. 



Not L. 1753- 

 Anemone nemorosa var. quinquefolia A. Gray, Man. 



Ed. 5, 38. 1867. 



Low, simple, nearly glabrous, 4 / -g / high, from 

 thick horizontal rootstocks. Basal leaves long-peti- 

 oled, appearing later than the flowering stem, 5- 

 parted, the divisions oblong, cuneate, dentate; those 

 of the involucre on slender petioles about 9" long, 

 3-5-parted, the divisions \%' long, acute, variously 

 cut and lobed; flower solitary, i' broad; sepals 4-9, 

 obovate or oval, white, or purplish without; head of 

 fruit globose, inclined; achenes pubescent, oblong, 

 tipped with the hooked styles. 



In low woods, Nova Scotia to Georgia, west to the 

 Rocky Mountains. Also in China. Ascends to 3500 ft. 

 in Virginia. Readily distinguishable from the Euro- 

 pean A. nemorosa L., by its slender habit, slender peti- 

 oles, less lobed divisions of the involucral leaves, paler 

 green foliage, and smaller flowers. April-June. 



