CROWFOOT FAMILY 263 
lip of the opening. Pistils 5, developing 5 follicles (see Fig. 7, page 888). 
Leaf stem divided into 3 secondary stems, each bearing a 3-parted leaf 
with deeply lobed segments. 
A. canadensis, L. (Fig. 1, pl. 44.) Witp Cotumepinge. Plant 1 to 
2 ft. high, branching. Spur of the petals long, curving in at summit and 
tipped by a slight rounded extremity. Petals red outside, yellow inside. 
Sepals red. One of the most interesting of our native spring flowers. 
Rocky places in woods throughout our region. May. 
The garden Columbine, with blue or purple flowers, A. vulgaris, L., is 
occasionally found in our area as an escape and to some extent nat- 
uralized. 
17, ACONITUM, L. 
Tall plants with large radiately lobed leaves and with a tall spike of 
irregular showy dark blue flowers. Sepals 5. the upper one hooded. 
Petals 2, under cover of the hooded sepal. Pistils 3 to 5. Stamens many. 
1. A. noveboracense, Gray. New York Monxksnoop. Plant 2 ft. 
high, flowers on a tall spike, the arched helmet conspicuously beaked. 
Leaves broad, deeply 5-parted with the segments deeply cut. Southern 
New York, 
2. A.uncinatum, L. (Fig. 7, pl. 50.) Wi~tp Monxsnoop. Stem 
weak, sometimes climbing. Leaves 3 to 5 lobed, each lobe deeply cut. 
Cluster few flowered. Helmet conic, slightly beaked. Woods, southern 
Penna., and south. July-Sept. 
18 DELPHINIUM, L. 
Sepals 5, the upper long-spurred. Petals 4, blue, small, irregular, the 
two upper ones forming spurs which are enclosed in the long spur of the 
sepal. Carpels follicular, about 3. Showy plants with rounded deeply- 
divided leaves and tall clusters of blue flowers. 
1. D. exaltatum, Ait. Tarn Larkspur. (D. urceolatum, Jacq.). Two 
to five ft. high. Flowers dark blue on a tall spike, not large. Pistil 1; 
leaves 3-parted, the segments 2 or 3 cleft. In woods. Southern section 
of our region. July-Aug. 
2. D. tricorne, Michx. Dwarr Larkspur. Plant 1 to 3 ft. high. 
Leaves deeply 3- to 5-parfed, each segment deeply cleft. Cluster of 
flowers loose, only 4 or 5 in. high. Pistil 1. Western Pennsylvania. 
April-June. 
3. D. Consolida,-L. (Fig. 4, pl. 47.) Fretp Larkspur. Plant 1 to 
24 ft. high. Leaves without leaf-stalks, finely dissected into linear seg- 
ments. Flower with 3 pistils. Southern New Jersey and Penna. Nat- 
uralized in a few places. Summer, : 
4, D. Ajacis, L. Flowers more numerous than in No. 3. Pods downy, 
those of D. Consolida are without down. Naturalized in places. 
19. CIMICIFUGA, L. 
Leaf-stalks twice or thrice 3-parted. Flowers white in long slender 
wand-like clusters (racemes). Pistils 1 to 8. Stamens many, with white 
filaments, The 4 or 5 small petals, falling as the flower opens, leave the 
