254 RANUNCULACEAE 
shaped. Head of fruit sub-cylindric. Maine, Conn., and southward. 
June-Aug. 
5. ANEMONELLA, Spach. (Syndesmon, Hoffmg.) 
From a cluster of tubrous roots arises a stem 6 to 10 in. high sur- 
mounted by a whorl of leaves, above which arises a loose umbel of white 
flowers on long delicate foot-stalks. Later arise the stems of the basal 
leaves which are ternately compound, the common foot-stalks 1 or 2 in. 
long dividing into three branches, each bearing a rounded obtusely lobed 
leaflet. 
A. thalictroides, (L.) Hoffmg. (Fig. 2, pl. 46.) Ruz ANEMONE, 
Flowering stem 4 to 9 in. high, smooth. Sepals white, about 5 or 7. 
Flowers from 2 to 6 in the cluster. Common in open woods. Early 
spring. 
6. THALICTRUM, L. 
Rather tall herbs, flowering from April to June. Stems 1 to 7 ft. 
high. Leaves on the stem bearing the flowers and on one springing from 
the root and which is flowerless. Leaves of the flowering stem on a main 
leaf-stalk which divides into 3 branches, each branch again dividing into 
3 parts from each of which spring 3 leailets, each leaflet is also to some 
extent divided into 3 parts. The tall leaf-stallk which springs from the 
root has a less regularly divided leaf-stalk. Flowers in conspicuous white 
or greenish-yellow clusters. Individually the flowers are small (Fig. 10, 
page 396). Petals are absent and the small sepals 5, rarely 4, in num- 
ber, are white with a tinge of green. Stamens and pistils may occupy 
the same flower or different flowers either on the same or different plants. 
The stamens of the staminate flowers form rather conspicuous little tas- 
sels of 20 or more stamens. The pistillate flowers are less conspicuous. 
l. T. dioicum, L. (Fig. 2, pl. 47.) Earty Mrapow-RvuE. Smooth, 
1 to 2 ft. high, somewhat hairy. At the first whorl of leaves sending 
than the length, often heart-shaped at base, 3 or rarely 4 leaflets in a 
group, each with 3 principal lobes with secondary sinuses or notches. 
Flowers, pistillate and staminate on different plants, the latter green or 
yellowish-green, dangling from the slender foot-stalks, the group forming 
pretty green tassels. A very early flower in rocky woods. Usually 
blooms in April. 
2. T. revolutum, DC. (Fig. 3, pl. 47.) Purrrish Mrapow-RUve. 
(T. purpurascens, Gray.) Stem 4 to 7 ft. high, purple, branching above. 
Stem leaves with short or no foot-stalks. Leaflets longer than broad, 
pear-shaped or nearly triangular, tapering at base and with about 2 deep 
notches at summit or none. Some of the leaflets narrow egg-shaped. 
Flowers with both stamens and pistils. Woods and copses, Mass., New 
Jersey, and southward. June-Aug. 
3. T. polygamum, Muhl. (Fig. 1, pl. 47.) Tart Merapow-Rve. 
Stem green, 3 to 11 ft. high. Growing in open swamps or wet places. 
Leaflets as broad as long with 3 lobes at summit, heart-shaped at base. 
Flowers with both pistils and stamens. Common. June-July. 
7. HYDRASTIS, Ellis. 
Erect herb with deeply cut, broad, kidney-shaped leaves and solitary 
