BUTTERCUP FAMILY 89 
or kidney-shaped, with crenate, dentate, or nearly entire margins; 
the broad oval sepals bright yellow. Swamps or wet ground. 
IX. PAONIA L. 
Perennial, from thick, fleshy roots; stems shrubby or her- 
baceous. Leaves much divided. Flowers terminal, large and 
showy. Sepals 5, leaf-like and persistent. Petals 5 or more. 
Pistils 83-5; ovaries surrounded by a disk.* 
1. P. officinalis L. GaArpEN Peony. Herbaceous; flowering stems 
1-2 ft. high. Leaves ample; leaflets lance-ovate, cut or incised, smooth. 
Flowers double, white or red. Follicles 2, erect, many-seeded. Com- 
mon in gardens.* 
X. COPTIS Salisb. 
Low, smooth perennials, with 3-divided basal leaves. Flowers 
small, white, on scapes. Sepals 5-7, petal-like, soon falling. 
Petals 5-7, small, club-shaped, tubular at the apex. Stamens 
15-25. Pistils 38-7, stalked. Pods thin and dry, 4-8-seeded. 
1. C. trifolia Salisb. Gotp Tureap. A pretty, delicate plant, 
with slender, 1-flowered scapes, from long, bright-yellow, thread- 
like rootstocks, which are bitter and somewhat medicinal. Leaves 
later than the flowers, each of 3 wedge-shaped leaflets, which finally 
become shining and evergeen. Damp, cold woods and bogs. 
XI. AQUILEGIA L. 
Perennials, with leaves twice or thrice palmately compound, 
the divisions in threes. 
Sepals 5, petal-like, all similar.. Petals 5, all similar, each 
consisting of an expanded portion, prolonged backward into a 
hollow spur, the whole much longer than the calyx. Pistils 5, 
forming many-seeded pods. 
1. A. canadensis L. Wiip Cotumsine. Flowers scarlet without, 
yellow within, nodding; spurs rather long. 
2. A. vulgaris L. GarpEN CoLUMBINE. Flowers often double, and 
white, blue, or purple. Spurs shorter and more hooked. Cultivated 
from Europe, and sometimes become wild. 
XII. DELPHINIUM L. 
Annual or perennial herbs. Stem erect, simple or branched. 
Leaves alternate, petioled, palmately divided. Flowers in 
