DICOTYLEDONOUS PLANTS UE 
1. N. advena. YELLOw Ponp Lity, Cow Lity, SPATTERDOCK. 
Leaves oval or orbicular, rather thick, often downy beneath. Flowers 
bright yellow, 2-3 in. in diameter, depressed-globular. Sepals 6. 
Petals thick and fleshy, truncate. Stamens in several rows, anthers 
nearly as long as the filaments. In slow streams and still water.* 
32. RANUNCULACEZ. . ButTrercup FAMILY. 
Herbs, rarely shrubs, usually with biting or bitter juice. 
Leaves radical or alternate (in Clematis opposite ; stem-leaves 
or involucre whorled in anemone); stipules none or adnate to 
the petiole. Floral organs all distinct and unconnected. 
Sepals 5 or more (rarely 2-4), falling early, often petal-like. 
Petals none, or 5 or more (rarely 3). Stamens many. Carpels 
many, 1-celled; stigmas simple; ovules 1 or more. Fruit 
composed of 1-seeded akenes or many-seeded follicles. Seeds 
small. 
A. 
Flowers irregular. 
With a spur. Delphinium, VII. 
With a hood. Aconitum, VIII. 
B. 
Flowers regular. 
1. Petals present (in ¢ not very unlike the stamens). 
(a) Petals very large and showy. Peonia, I. 
(5) Petals small, tubular at the tip. Coptis, IV. 
(c) Petals narrow, spatulate, on slender claws. Acta, V. 
(d) Petals prolonged backward into spurs. Aquilegia, VI. 
(e) Petals flat, with a little scale at the base, inside. 
Ranunculus, XIII. 
2. Petals none, or very small and stamen-like. 
(a) Sepals yellow. Caltha, IT. 
(b) Sepals greenish or white, falling as the flower opens. 
Thalictrum, XIV. 
(c) Sepals white or colored, involucre sepal-like. Hepatica, X. 
(d) Sepals 4. Plants climbing. Clematis, XII. 
