228 American Species of the Genus Anemone. 



Distrib. Labrador and Anticosti to Maryland and Pennsylvania, 

 west to Kansas and the Rocky Mountains, and to the Pacific coast 

 of British America (Hooker). 



Type of A. Pennsylvania, L., in Herb. Linn. ; type of A. aconi- 

 tifolia, Michx. in Herb. Michaux. 



At the place of first publication of this plant Linnaeus says of its 

 origin: " Hab. in Pennsylvania, D. Hope;" but when he repub- 

 lished it in the Mantissa three years later he says, " Hab. in Canada, 

 H. U. (Hortus Upsaliensis) ;" curiously interchanging the locality 

 and the specific name. 



A. dichotoma, L. Sp. PL, 540 (H53), of Siberia. (Type in Herb. 

 Linn.), differs constantly in its narrower, oblong, leaf-segments 

 which are toothed only towards the apex, and its glabrous achenia. 



oo South American, 

 -f- Leaves coriaceous ; flowers 4-5 cm. broad. Chilian. 



18. Anemone rigida, C. Gray. 



A. rigida, C. Gay, Fl. ChiL, i, 25 (1845). 



Erect, stout, rigid, loosely pubescent, 3-6 dm. high. Radical leaves long- 

 petioled, coriaceous, deeply 3-parted, the divisions obovate, obtuse, incised, 

 and coarsely dentate, the teeth mucronulate ; leaves of the involucre sessile 

 or narrowed at the base into short, broad petioles, 3-lobed to beyond the mid- 

 dle, incised and dentate similarly to the radical ones, appressed -pubescent 

 with scattered hairs on both surfaces ; involucre about 4-flowered, the first 

 peduncle naked and slightly shorter than the others, which are involucrate 

 with two sessile leaves at about the middle ; flowers 4-5 cm. broad ; sepals 

 4-6, broadly oval, obtuse, finely veined ; filaments 3-5 mm. long ; head of 

 fruit globose-ovoid, about 1 cm. thick ; achenia ovoid, acute, glabrous, except 

 for a slight strigose pubescence at the base, tipped with a short, incurved 

 style ; receptacle densely pubescent, at length about twice as long as broad. 



Distrib. Chili: (Gay); Talcareque (Reed); Cordillera de S. Fer- 

 nando (Philippi). 



Type in the Paris Herbarium. 



-| — \- Leaves membranaceous. 

 D Chilian and Peruvian species. 



19. Anemone Antucensis, Poepp. 



A. Antucensis, Poepp., Fragm. Syn., 27 (1833). 



Erect, slender, finely pubescent, 3-7.5 dm. high. Radical leaves slender 

 petioled, membranaceous, deeply 3-5-parted or 3-5-cleft, the divisions obovate 



