Family RANUNCULACEA 61 
CLASS DICOTYLEDONEAE. 
The Dicots. 
Sub-class THALAMIFLORZA. 
RANALES. 
Land or marsh plants. ¥ 
Carpels several to many, only 1 in some species of- Delphinium. 
Herbs not climbing. 1. Ranunculacez. 
Vines. 
Leaves compound; fruits achenes. 1. Ranunculacez. 
Leaves simple; fruits drupes. 3. Menispermacee. 
Shrubs or small trees. 6. Anonacez., 
Carpel single; 2—many-ovuled. 2. Berberidacee. 
Aquatic herbs. 
Leaves floating, peltate or with a deep sinus at the base. 
4. Nymphezacee. 
Leaves mostly submerged and dissected. 
Flowers peduncled, opposite the leaves. 1. Ranunculacez. 
Flowers sessile, axillary. 5. Cératophyllacez. 
1. RANUNCULACEZ. 
Crowfoot Family. 
Carpels one-ovuled, fruit an achene. 
Petals usually present. 
Sepals spurred; leaves basal, linear; receptacle in fruit elon- 
gated, cylindrical. 1. Myosurus. 
Sepals not spurred; receptacle in fruit spherical, conical or short 
cylindrical. 
Petals white, aquatic herbs. 3. Batrachium. 
Petals yellow; land or marsh plants. 
Achenes not ribbed; leaves various. 2. Ranunculus. 
Achenes longitudinally ribbed; leaves cordate, crenate. 
4. Halerpestes. 
Petals wanting; sepals often petaloid. 
Leaves mostly alternate or basal. 
Leaves all alternate, ternately compound; flowers diccious. 
5. Thalictrum 
Leaves or bracts subtending the inflorescence opposite or 
whorled. 
Styles short, not plumose in fruit. 
Basal leaves not twice or thrice ternately compound. 
8. Anemone. 
Basal leaves twice or thrice ternately compound. 
6. Syndesmon. 
Styles elongated: in fruit, plumose. 7. Pulsatilla. 
Leaves all opposite. ; 9. Clematis. 
Carpels with several ovules; fruit a follicle or berry. 
Petals inconspicuous or none; never spurred. 
Leaves simple; fruit a follicle. 10. Caltha. 
Leaves ternately compound; flowers racemose; fruit a berry. 
13. Actza. 
