90 RANUNCULACEAE 



Family 47. ANONACEAE DC. 

 Woody plants with alternate entire, non-stipulate leaves. Sepals 3. 

 Petals 6, in two rows, valvate in bud. Stamens numerous. Carpels 

 numerous, fleshy in fruit. 



1. ASIMINA Adans. 



Small trees with nodding flowers from axils of leaves of preceding 

 years. Pistils few, bearing numerous ovules in two rows, ripening into 

 fleshy oblong berries. Seeds flat. 



1. A. triloba (L.) Dunal. Papaw. 10°-30° high. Leaves obovate- 

 cuneate : petals chocolate-colored : fruit S'-B' long. — Abundant in rich 

 woods, especially in the northern part. May. 



Family 48. EANUNCULACEAE Juss. 

 Herbs or shrubs. Sepals 3-15, or more. Stamens numerous. Pistils 

 1-many, 1-oelled, 1-many-ovuled. Sepals, petals, stamens and pistils all 

 distinct and unconnected. Fruit either dry or berry-like. 



Woody plants : leaves opposite. 7. Clematis. 



Herbs : leaves alternate. 

 Carpels several-ovuled. 



Flowers regular : petals not spurred. 

 Sepals three, early deciduous. 1. Hydrastis. 



Sepals five, persistent. 2. Isopyeum. 



Flowers regular : petals spurred, 3. Aquilegia. 



Flowers irregular. 4. Delphinium. 



Carpels lovuled. 

 Petals absent. 



Flowers not in terminal panicles. 

 Achenes woolly or hairy. 5. Anemone. 



Achenes smooth. 6. Syndesmon. 



Flowers in terminal panicles. 12. Thalictrum. 



Petals present. 

 Flowers white. 10. Bateachium. 



Flowers yellow. 

 Sepals spurred at base. 8. Myosueus. 



Sepals not spurred at base. 

 Achenes striate. 11. Oxygeaphis. 



Achenes not striate. 9. Eanhnculus. 



1. HYDRASTIS L. 



Erect perennials from a stout yellow rootstock. Sepals three, falling 

 off when the flower opens. Stamens and carpels numerous. Carpels 2- 

 ovuled, in fruit forming a head of crimson berries. 



1. H. Canadensis L. Golden Seal. About 1° high, hairy : leaves 

 reniform, 5-9-lobed, doubly-serrate : oauline leaves two : flowers solitary, 

 greenish-white.— Abundant locally in rich woods west of Sibley and 

 southeast of Grain Valley. April. 



2. ISOPYRUM L. 



Sepals 5, white and petal-like. Stamens numerous. Follicles 2-6, 

 several-seeded. 



