152 



RANUNCULACEAE. 



or compound; stipules none but the base of the petiole often 

 clasping or sheathing; flowers regular or irregular; sepals 3-15, 

 generally soon withering, often petal-like; petals 3-15, or wanting; 

 stamens numerous or few, hypogynous; carpels numerous or few 

 or rarely solitary, separate, 1-celled, 1-many-ovuled ; endosperm 

 present. 



Carpels numerous, 1-ovuled; fruit an akene. 

 Leaves opposite. 



Leaves alternate, whorled, or basal. 

 Cauline leaves three in a whorl. 



Styles short, glabrous or pubescent. 

 Styles long, plumose. 

 Cauline leaves alternate or none. 

 Petals none. 



Leaves ternately decompound. 

 Leaves simple, palmately lobed. 

 Petals present. 



Sepals spurred; akenes in a long 



slender spike. 

 Sepals not spurred; akenes in a 

 head. 

 Petals white; akenes transversely 



wrinkled. 

 Petals yellow; akenes not trans- 

 versely wrinkled. 

 Carpels few, 2-many-ovuled; fruit a follicle or 

 berry. 

 Flowers irregular. 



Upper sepal spurred; petals 4. 

 Upper sepal hood-like; petals 2. 

 Flowers regular. 

 Sepals spurred. 

 Sepals not spurred. 



Petals large; flowers solitary. 

 Petals small or none; flowers solitary or 

 in racemes or umbels. 

 Leaves simple. 



Petals none; leaves crenate. 

 Petals linear-spatulate; leaves 

 palmately parted. 

 Leaves compound. 



Carpels becoming berries. 

 Carpels becoming follicles. 

 Flowers in racemes. 

 Flowers not in racemes. 



Petals none; follicles ses- 

 sile or short-stalked. 

 Petals 5-6, linear; folli- 

 cles long-stalked. 



190. Clematis, 152. 



191. Anemone, 153. 



192. Pulsatilla, 154. 



193. Thalictrum, 154. 



194. Trautvetteria, 154. 



195. Myosurus, 155. 



196. 



197. 



198. 

 199. 



200. 



201. 



202. 

 203. 

 204. 

 205. 



206. 

 207. 



Batrachium, 155. 

 Ranuncltlus, 156. 



Delphinium, 159. 

 aconitum, 160. 



Aquilegia, 161. 



Paeonia, 161. 



Caltha, 161. 

 Trollius, 162. 

 ACTAEA, 162. 

 CiMICIFUGA, 162. 



ISOPYRUM, 163. 



CoPTis, 163. 



190. CLEMATIS. 



Perennial herbs, low and erect, or more or less woody vines, 

 climbing by the petioles; leaves opposite; sepals 4, rarely 3. or 



