RANUNCULACE^. 6 



10. Delpliiii'tum. Sepals 5, unequ.il, petal-like, the tipper one pro- 



duced backward into a spur. Petals 4, irregular, the upper pair 

 spurred, and projecting backward into the spur of the upper sepal 

 (rarely only 2). Flowers blue or whitish, in terminal racemes. 

 Leaves palmately dissected. 



11. Actse'a. Sepals 4-5, caducous. Petals 4-10, with slender claws. 



Stamens many, with long filaments. Fruit a many-seeded berry. 

 Flowers in a short thick raceme. Leaves decompound, leaflets 

 sharply toothed. 



12. Cimicif 'uga. Sepals 4-5, caducous. Petals several, small, two- 



horned at the apex. Carpels 1-8, becoming pods. Flowers in 

 long plume-like racemes. 



13. Hydras'tis. Petals none. Flowers solitary. Sepals 3, petal-like, 



greenish-white. Carpels 12 or more, forming a head of crimson 

 1-2-seeded berries in fruit. Stem low, from a knotted yellow root- 

 stock. Leaves simple, lobed. 



1. CLEM'ATIS, L. VIRGIN'S BOWER. 



1. C. Virginia'na, L. (COMMON VIRGIN'S BOWER.) A 

 woody-stemmed climber. Flowers in panicled clusters, of ten 

 dioecious, white. Leaves of 3 ovate leaflets, which are cut 

 or lobed. Feathery tails of the achenes very conspicuous 

 in the autumn. Along streams and in swamps. 



2. C. ligUStieifo'lia, Nutt. Very much like the last, 

 but the leaves have usually 5 leaflets. N. W. 



3. C. vertieilla'ris, DC. Shrubby climber. Peduncles 

 bearing single large flowers, with thin, wide-spreading, 

 bluish-purple sepals. Tails of the achenes plumose. Leaves 

 of three leaflets, which are entire, or sparingly toothed or 

 lobed. Rocky places. 



2. ASEMO'XE, L. ANEM'ONE. 

 * Styles long and hairy, forming feathery tails in fruit. 



1. A. patens, L., var. Nuttallia'na, Gray. (PRAIRIE A. 

 OR PASQUE FLOWER.) Villous with long silky hairs. Flower 

 erect, appearing before the leaves. Sepals 5-7, purplish or 

 white, an inch or more in length, spreading at maturity. 

 Involucre sessile, its lobes numerous, all united at the base 

 to form a shallow cup. Leaves radical, the blades deeply 

 cut into 3 well-marked divisions, the middle one stalked, 



