52 RAXALES 



Styles short, not plumose in fruit. 

 Basal leaves not tvv'ice or thrice ternately compound. 



8. Anemone. 

 Basal leaves twice or thrice ternately compoimd. 



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; flowers solitary; fruit a follicle. 10. Caltlia. 



Leaves ternately compound; flowers racemose; fruit a berry. 



13. Actaea. 

 Petals present; some or all spurred. 



Flowers regular; all the petals spurred. 11. Aquilegia. 



Flowers irregular; one sepal spurred. 12. Delphinium. 



1. Mycsurus. 423. 



1. Myosurus minimus, L. Mouse-tail. 



Locally abundant in wet soil in various places in the state. Alliance; 

 Fairmont; Lewellen; Lincoln; Merriman; [Nlinden; Weeping Water. 



2. Ranunculus. 423. 



Aquatic plants v/ith dissected leaves or sometim.es rooting in mud. 

 Petals much larger than the sepals. 1. R. delphinifolius. 



Petals not m^uch larger than the sepals. 2. R. purshii. 



Terrestrial plants; leaves entire, lobed or divided; segments not 

 capillary. 

 Basal leaves all lobed or divided. 



Plant glabrous, stem hollow. 3. R. scleratus. 



Plants more or less pubescent. 



Beak or achene strongly hooked. 4. R. recurvatus. 



Beak or achene not hooked. 



Beak short, less than half as long as the achene. 

 Flowers about 2 cm. broad. 



Leaves 3 lobed, broader than long, the terminal lobe 



sessile. 5. R. acris. 



Leaves 3 lobed, longer than broad, the terminal lobe 



stalked. 6. R. bulbosus. 



Flowers less than 1 cm. broad. 7. R. pennsylvanicus. 



Beak at least half as long as the achene. 



Beak sword shaped, nearly as long as the achene. 



8. R. septentrionalis. 



Beak slender, subulate, about half as long as the achene. 



Basal leaves not all lobed or divided. 9. R. hispidus. 



Plant pubescent, basal leaves not cordate. 10. R. oval is. 



Plant glabrous, basal leaves cordate. 11. R. abortivus. 



1. Ranunculus delphinifolius Torr. 



In shallow water over most of the state. Antelope County; Aten; Fre- 

 mont; Gordon; Minden; Saltillo. 



2. Ranunculus Purshii Richards. 

 In water near Whitman. 



3. Ranunculus scleratus L. 



