510 RANUNCULACEAE 
Famy 2. RANUNCULACEAE — Crowroor FAMILY 
Herbs or woody vines. Leaves alternate (opposite in pep A 
blades simple or compound. Calyx of 3-5 imbricate (valvate in Clema- 
easionally E Androecium of several of many pn uis mda 
Gynoecium of 1 to many usually distinct carpels. 
follicle or baeeate.—About 35 genera and 1,100 species, widely distributed. 
Fruit a Medos e or a berr 
with a pair Fra ovules : d 1-seeded or 2-seeded. 
flowers paniculate: corolla present: 
fruit follicles. Tribe I. XANTHORRHIZEAE. 
Herb: ee solitary: corolla wanting: fruit 
ber Tribe II. HYDRASTEAE. 
Carpel with more than 2 ovules: fruit several- 
seeded. Tribe III. HELLEBOBEAE. 
Fruit an achene: carpel with a single ovule. 
Sepals imbricate: leaves, below the inflorescence, 
literale; sometimes all basa Tribe IV. ANEMONEAE. 
Sepals valvate, the edges sometimes turned in: 
leaves opposite. Tribe V. CLEMATIDEAE. 
XANTHORRHIZEAE 
I 
Shrub with pinnate leaf-blades. 1. XANTHORRHIZA. 
2 II. HYDRASTEAE 
Herb with simple lobed. leaf-blades. 2. HYDRASTIS. 
I HELLEBOREAE 
Flowers regula 
Leaf-blades ‘palmate or pedately veined or lobed. 
etals wanting. 3. CALTHA. 
Petals present. 4. HELLEBORUS. 
Leaf-blades ternately compound. 
Petals Dno os or wanting. 
Fruit dry follicle 
Low herbs: owes solitary or few 
 Carpels, and follicles, stalked : “petals present. 5. CoPris. 
Carpe and follicles, not stalked : petals 
vi we in 6. : 
Tall herbs: flowers many in elongate racemes. T. CIMICIFUGA. 
berry-like, 8. ACTAEA. 
Pe tals E elon ccd backward into hollow spurs. 9. AQUILEGIA. 
. Flowers irregular 
Upper sepal Dolon nged into a spur: upper pair of petals 
sessile or nearly so, long-spurred. 10. DELPHINIUM. 
Upper sepal hooded: upper pair of petals long-clawed, 
wholly concealed in the sepal-hood. 11. ACONITUM. 
Involuere close to ne calyx ; bracts ee 12, HEPATICA. 
Involuere remote from the calyx: bracts toothed to dis- 
Style subulate : leaf-segments sessile. 13. ANEMONE. 
yle wanting: leaf-segments stalke d. 14. SYNDESMON. 
Flowers dot subtended by involucres: sepals rarely petal-like. 
Lea n Eu simple, entire, toothed, lobed, or dissected. 
purred : receptacle greatly elonga ate. 15. MYOSURUS. 
Sepals spurless: receptacle not greatly elongate. 
Petals wanting. 16. TRAUTVETTERIA. 
Petals present. 
Petal- pb o with a nectariferous gland or pit at 
Achene transversely wrinkled : petals white. 17. BATRACHIUM. 
A n transversely wrinkled: petals 
yello t least witho ut. 18. RANUNCULUS. 
Peta bl Sues. onc gland or pit at the base. 19. ADONIS. 
Leaf-blades ternately decompound : petals wanting. 20. THALICTRUM. 
V. CLEMATIDEAE 
Petals wanting. 
Stamens spreading: sepals spreading. 
Sepals with scarce d any border: flowers dioecious or 
“polygamo-dioeciou 21. CLEMATIS. 
