BUTTERCUP FAMILY 5 



an achene with a long plumy style; flowers regular, solitary or clustered; 

 leaves opposite, usually pinnate or pinnatifid, sometimes entire; stems 

 perennial, climbing by the leaf stalks, trailing or erect. 



1. Stems climbing; flowers small, white C. ligusticifolia 



2. Stems trailing or erect ; flower large, blue to vio- 



let 



a. Stems trailing, rarely climbing; leaves ternate 



( 1 ) Leaves 3-foliate C. occidentdlis 



(2) Leaves twice-ternate C. dlpina 



b. Stems erect ; leaves pinnatifid C. Dougldsii 



DELPHINIUM Linne 1753 LARKSPUR 

 (Gr. delphinion, larkspur, from delphis, dolphin, perhaps in allusion to the 



irregular form) 



PL 1, fig. 4. 



Sepals 5, petal-like, the back one spurred, blue, white or red, petals 

 2 or 4, the back ones spurred, the lateral small or lacking, stamens many, 

 pistils 1-several, usually 3, fruit a many-seeded follicle; flowers irregular, 

 in a raceme, often spike-like, or sometimes in a panicle; leaves palmately 

 cleft or divided ; stems from a caudex or from tuberous roots ; ours poison- 

 ous perennials. 



1. Stem and leaves, or at least the flower cluster, 



glandular and sticky D. occidentdle 



2. Stem and leaves not sticky glandular 



a. Roots thickened, more or less tuberous; plants 



usually .5-3 ft. high 



(1) Stems mostly closely and densely gray- 



hairy ; flowers often whitish D. carolinidnum 



(2) Stems smooth or with loose spreading 



hairs above D. Menziesii 



b. Roots woody and branched, scarcely tuberous; 



plants 3-8 ft. high D. scopulorum 



MYOSURUS Linne 1753 MOUSE-TAIL 

 (Gr. my our os, mouse-tail, from the tail-like spike of fruits) 



Sepals 5, somewhat petal-like, spurred, petals 5, tiny, or none, stamens 

 many, pistils many, fruits achenes, forming a spike ; flowers regular, single, 

 on leafless stalks; leaves basal, linear, entire; low annuals. 



