62 



RANUNCULACEAE (CROWFOOT FAMILY) 



name for Adonis, from whose blood the crimson-flowered Anem- 

 one of the Orient is said to have sprung.) 



A. canadensis. Hairy and rather low. The primary involucre is 

 3-leaved, bearing a naked peduncle, and soon a, pair of peduncles with 

 a 2-leaved involucre in the middle, and these branch 

 similarly in turn. The radical leaves 5-7 parted. 

 The sepals white. River banks and prairies. 



A. quinquefolia, WOOD ANEMONE. Smooth and 

 rather low. The stem perfectly simple, arising 

 from a root-stalk. The involucre of 3 long-petio- 

 late, trifoliolate leaves. The sepals 4-7, oval, white, 

 or tinged with purple outside. Margins of woods. 

 April and May. 



ISOPYRUM 



Slender, smooth, perennial herbs with 23 

 Anemone quinquefolia, ternately compound leaves ; the leaflets 2-3 



Wood anemone. i i T-I -11 j *. i i_'j. 



lobed. Flowers axillary and terminal, white. 



Sepals 5, petal-like, deciduous, 

 more, the styles pointed. 



Stamens 10-40. Pistils 3-6 or 



I. biternatum. Fibers of the root thickened 

 here and there into little tubers. Moist and 

 shady woods and cliffs. May. 



CALTHA 



Glabrous, hydrophytic perennials with 

 round and heart-shaped large leaves. 

 Sepals 5-9, petal-like. Pistils 510 with 

 scarcely any styles. 



C. palustris, MARSH MARIGOLD. Swamps 

 and wet meadows in April and June. The 

 stem is hollow and furrowed. The sepals are 

 broadly oval and bright yellow. Sometimes used for greens when 

 young. The brilliant golden yellow flowers resemble buttercups and 

 are often wrongly called cowslips. 



COPTIS 



A low, smooth perennial with divided root-leaves, and small 



Isopyrum biternatum. 



