Ranunculaceae 163 
J. 3 Petals not red; flowers often small; fruit of follicles or akenes, or a red 
erry. 
K. Fruit of akenes, these each |-seeded. 
L. Petals present; leaves rarely ternately more than 1|-compound; 
inflorescence either not panicles nor racemes, or else flowers large; 
flowers perfect. (See HH.) 
| 1 lr Petals none; leaves ternately 2—3-compound ; inflorescence pan- 
icles or racemes; flowers small, mostly not perfect. 
THALICTRUM (p. 171) 
KK. Fruit of follicles or berries, these each several-seeded. 
M. . Fruit of follicles; carpels 2 or more (except sometimes in Cimifuga 
elata). - 
N. Leaves withering in the fall, not all basal; follicles sessile or 
short-stalked, in heads. 
O. Stems 9—24 dm. high, many-flowered. CIMIFUGA (p. 165) 
OO. Stems 0.5—3 dm. high, I- to several-flowered. 
ISOPYRUM (p. 164) 
NN. Leaves green thruout the winter, all basal; follicles long- 
stalked, in umbels. CopTis (p. 164) 
MM. Fruit a red berry; carpel |. ACTAEA (p. 164) 
JJ. Petals red; flowers large; fruit of many-seeded follicles. 
PAEONIA (p. 163) 
CC. Flowers irregular; leaves palmately-lobed or -cleft or -divided. 
P. Upper sepal spurred. DELPHINIUM (p. 165) 
PP. Upper sepal arched into a hood. ACONITUM (p. 167) 
BB. Flowers regular; petals 5, each with a long tubular spur; leaves ternately |—3- 
compound. AQUILEGIA (p. 165) 
A.A. Stem-leaves opposite or whorled. 
Q. Stem herbaceous, erect; stem-leaves in a single whorl of 2—23. 
R. Style short, glabrous or pubescent, not plumose. ANEMONE (p. 167) 
RR. Styles long, filiform, becoming plumose. PUESATIFLA (par l.OZ) 
QQ. Stem often woody, erect or viney; stem-leaves more than 3, opposite; style 
plumose. CLEMATIS (p. 168) 
PAEONIA PEONY 
Herbs (ours) or low shrubs; roots tuberous. Leaves alternate, ternately 3-com- 
pound (ours) or -divided. Flowers large, solitary, terminating the stems or branches. 
Sepals 5, strongly imbricated, persistent. Petals 5-10, or none, on a fleshy disk that 
is adnate to the sepals. Stamens many. Carpels few; style short or none. Fruit of 
follicles. Seeds many, oval or oblong. (Honor of Paeon, a Greek physician.)  E. 
P, brownii Doug. 
CALTHA MARSH MARIGOLD 
Herbs, glabrous. Leaves mostly basal, cordate or reniform, simple, entire or cre- 
nate. Flowers white or yellow or pink. Sepals 5—-15, petal-like, large, deciduous. 
Petals none. Stamens many. Pistils 5—15, sessile. Fruits of follicles. Seeds several. 
Marsh plants. (Gk. kalathos—=a goblet; referring to the form of the flower.) 
A. Stem decumbent, several-leaved; flowers yellow; follicles sessile. W. 
C. palustris L. 
AA. Stem erect, scapose or I-leaved; flowers white or purplish; follicles more or 
less stalked. 
