BUTTERCUP FAMILY 3 



(1) Stem branched, hairy; flowers 3-6 cm. 



wide A. dichotoma , .^^ f t 



(2) Stem simple, smooth; flowers 2-3 cm. wide A.nemorosa 



b. Fruits smooth ; flowers usually yellowish A. narcissiflora 



AQUILEGIA Linne 1753 COLUMBINE 



(Lat. aquilegia, perhaps from Lat. aquila, eagle, in allusion to the re- 

 semblance of the spurs to an eagle's talons) 



PI. 1, fig. 2-3. 



Sepals 5, petal-like, petals 5, spurred, red, yellow, blue or white, 

 stamens many, some often petal- or scale-like, pistils 5, the ovules many, 

 2-rowed, fruit a follicle; flowers regular, single or in clusters; leaves usu- 

 ally twice ternately compound; perennial. 



1. Flowers red to yellow 



a. Flowers red and yellow ; spur 1-2 cm. long A. canadensis 



b. Flowers yellow ; spur 3-6 cm. long A. chrysdntha 



2. Flowers blue, rarely white 



a. Flower stalk leafy 



(1) Flower large, 5-6 cm. wide A. caerulea 



(2) Flower small, 2-3 cm. wide A. brevistyla 



b. Flower stalk leafless ; leaflets crowded A. Jonesii 



CALTHA Linne 1753 MARSH MARIGOLD 

 (The Latin name of the true marigold) 



Sepals 6-10, petal-like, white or yellow, falling away, petals none, 

 stamens many, pistils 3-10, fruit a beaked many-seeded follicle; flowers 

 regular, mostly single, or few in a cluster; leaves simple, elliptic to rounded; 

 fleshy perennials. 



Leaves heart-shaped at base, wavy-toothed; flowers 



2-5 cm. wide C. leptosepala 



CLEMATIS Linne 1753 CLEMATIS, VIRGIN'S BOWER 

 (Gr. klematis, a climbing plant) 



(Atragene Linne) 

 PL 3, fig. 2. 



Sepals 4-5, petal-like, white to purple, petals 0, or merely broadened 

 stamens, stamens many, the outer often like tiny petals, pistils many, fruit 



