2 UAXUNrULArK.lC. (cKOWKoOT I'AMII.V.) 



Oui>Ku 1. K^VNUNCULACE.l-:. (Ckowjuut Famu.v.) 



Chiefly lierbs, rarely shrubs (ir woody viiu's, with watery acrid juice. 

 Leaves exstiinihite, ofteiier divided. Flowers liypoi^yuous, soiiietinies 

 irregular. Sepals few or many, He])arate, ofteji colored. Petals com- 

 monly as many as the sepals, and alternate with them, or wanting. 

 Stamens mostly indefinite. Ovaries numerous and distinct, or few, or 

 solitary, 1-celled. 1 -many-ovuled. Fruit dry or baccate. Seeds anat- 

 ropous, with flesiiy or horny all)ujiien, and a miuute embryo 



Synopsis of the <«enera. 



♦ Sepals valvate or with incurved luargius in tlie bud. Fruit an achenium. 

 Tribe I. CLKMATIUKyE. Sepals colored. Petals none. Style persistent. — Chiefly 

 vines, with opposite mostly teruately or pinnately divided leaves. 



1. CLEMATIS. Flowers solitary or cymose, when vines climbing by the coiling tendril- 



form summit of the petiole. 



* * Sepals imbricated in the bud. Fruit an aeheuium. 

 Tribe II. ANEMONE.E. Sepals colored. Petals none. — Perennial herbs. Leaves 

 alternate or whorled, variously lobed or divided. 



2. ANEMONE. Flowers solitary. Stem leaves wliorled, forming an involucre vinder the 



Hower. Achenia not ribbed nor inflated. 



3. ANEMORELLA. Flowers umbelled. Stem leaves involucrate. Achenium ribbed. 



4. THALICTRUM. Flowers corymbose or panicled. Leaves alternate. Aeheuium ribbed 



or inflated. 



5. TRAUTVETTERIA. Flowers corymbose. Leaves alternate, lobed. Achenium 4- 



angled. Seed erect. 



Tribe III. RANUNCITLE^. Sepals mostly herbaceous. Petals manifest. — Herbs. 

 Leaves alternate. Flowers solitary or corymbose. 



6. MYOSURUS. Sepals .spurred at the base. Leaves radical. Scape l-flowered. 



7. RANUNCULUS. Sepals spurless. Petals yellow or white, with a pit or scale at the 



base. Stem leafy. 



8. ADONIS. Petals red, not pitted at the base. 



# * * Sepals imbricated in the bud. Fruit a follicle or berry. 

 Tribe IV. HKL.L.EBOKINE.E. Sepals colored. Petals mostly irregular, or none. 

 Fruit a 1 - many-seeded follicle. 



# Petals none. 



9. CALTHA. Sepals yellow. Leaves entire. 



10. ISOPYRUM. Sepals white. Leaves teruately divided. 



* « Petals 2 -10. 



11. AQUILEGIA. Petals . 5, alike, hollow, spurred. Leaves compoundly divided. 



12. DELPHINIUM. Outer sepal hollow, .spurred. Petals 4, unlike. Leaves lobed. 



13. ACONITUM. Outer sepal large, hooded, enclosing the two stalked petals. 



14. HELLEBORUS. Petals 8-10, small, tubular, '2-Iipped. Sepals regular. 



1.'). COPTIS. Petals . 5 -G, thickened and hooded at the apex. Scape l-flowered. 

 IG. ZANTHORHIZA. A shrub. Flowers regular, 5-petalled. Follicle 1-2-seeded. 



Tribe V. CIMICIFUGE^. Sepals colored. Petals small and flat, or none. Fruit 

 a follicle or berry. — Leaves alternate. 



17. HYDRASTIS. Petals none. Fruit baccate. — Stem l-flowered. 



18. ACT.EA. Petals entire. Racemes short. Fruit a berry. 



19. CIMICIFUGA. Petals 2-cleft. Racemes long. Fruit a follicle. 



