EANUNCULACE.E. (CROWFOOT FAMILY.) 



Order I. RANUJVCULACEiE. (Crowfoot Family.) 



Herbs or climbing shrubs, with a watery acrid juice. Loaves com- 

 monly divided, their petioles dilated at the base, williout stipules. 

 Flowers regular or irregular. Sepals 3-15, distinct, often colored. 

 Petals 5-15, deciduous, often wanting. Stamens hypogynous, indefi- 

 nite. Ovaries distinct, numerous, rarely few or solitary, 1-celled, 1- 

 manv-ovuled. Fruit dry or baccate. Embryo minute at the base of 

 fleshy or horny albumen. 



Synopsis of the Genera. 



Tribe I. CLiKM ATIDEiE. Sepals valvate in the bud, colored. Petals stamen-like 

 or none. Style elongated, persistent. Fruit an achenium. — Chiefly vines. Leaves 

 opposite. 



1. ATKAGENE. Petals small and,stamen-like. 



2. CLEMATIS. Petals none. 



Tribe TI. ANKMOIVE^'E. Sepals imbricated in the bud, colored. Petals none. 

 Ovules solitiiry. Iruit an acheuium. — Ilerbs. Floral leaves often whorled, forming 

 an involucre. 



3. ANEMONE. Involucre Icnf-likc and distant from the long-pedunclcd flowers. 



4. HEPATICA. Involucre calyx-like and close to the flower. 



5. TII.\LICTKUM. Flowers pauicled and without an involucre (except in No. 1). Acbenia 



ribbed or inflated. Leaves compound. 



6. TRAUTVETTEItlA. Flowers corjmbcd. Involucre none. Acbenia 4-angled. Seed erect. 



Leaves Bimple, lobed. 



TamE III. RANUBfCl.'L>E.E. Sepals imbricated in the bud, mostly herbaccouB. 

 Petals mimifcst. Ovules solitary. Fruit an achenium. — Herbs. Leaves alt mate. 



7. MVOSUIIC?. Sepal.< ppurred at the ba.<!e. Aclicnia s])ikcd. I..eaves radical, linear. 



8. IIANUNCULUS. Sepals gpurless. Acheuia capitate. St«ms leafy. 



Tbibe IV. HEL1I.ECORIKE.E. Sepals imbricated in the bud, colored. Petals of 

 various forms, or none. Fruit a 1 - many-seeded follicle. Leaves alternate. 



9. CALTII.V Petals none. Follicle many-seeded. Sepals yellow. Leaves simple. 



10. ISOPYIIUM. Petals none. Follicle few-tceded. Sepals white. Leaves C(ni pound. 



11. AQUILECilA. Sepals 5, regular. Petals 6, spur-shaped, hollow. Follicle many-seeded. 



Leaves compound. 



12. DELI'IIINIL'M. .'^epals 5, irregular ; the outer one spurred. Petals 4, small ; two of them 



spurred, the otiiers stalked. Follicle many-seeded. Leaves lobed. 



13. ACONITU.M Sepals 5. irregular; the outer one large, lidoded, and enclosini? two long- 



stalked, licoked putals ; the other petals stameuliko or wanting. Follicle niany-sceJeJ. 

 I/Tives liibed. 



14. ZANTIIOKIIIZA. Flowers regular. Sepals and petals 5; the latter 2 lobed. Follicle 



l-2-»eeded. Slirubby. Leaves compound. 



Tnnir, V. ClMIClFrOE.a';. Sepals Imbrirntod in the bud, cnlon'd. IVtjils small and 

 flat, or none. Kniit a follicle or berry. — Herbs. Leaves nltornate. 

 15 riYDIlA.STIS. Petals none. Ovaries numerous, forming a head of 1 - 2-sceded berries. 

 Stems l-flowered. Ix-aves simple, lobed. 



16. ACTjT.A. Petils 4- 8, entire. Ovary solitary, forming a many-seeded berry. Flowers In 



short oblong racemes. Ix>ftVos compound. 



17. CTMICIFIUIA. Pctiils 3-5 2-clnft. Ovaries 1-8, fomiiug many-seeded folliclcn. Ra- 



cemes elongated. Leaves compound. 



