~%,. 
a] Delphinium,. L, Larkspur, 
Perennial herbs often with tuber-like, fascicled roots. Leaves 
alternate, palmately lobed or divided, variable on the same plant, 
Flowers showy, blue in our species, in terminal Sometimes compound 
racemeSe Sepals 5, petal-like, the blades tebesimilar, the uppermost sepal 
prolonged into a spur as long as or longer than the blade. Petals 4, blue 
or cream-colored, the anterior obliquely clawed, sometimes auricled near 
the base of the blade, commonly lobed, the Epenertor thickish and rigid, 
ascending under the upper sepal. and pro 
into the spur. Stamens 
numerouse Pistils Commohly 3, forming a cluster of follicles, 
O Flowers infrequently more than 103 plants low, 15-40 om, tall; 
4 leaves infrequently more than 5 1. De. Nelsoni 
O Flowers numerous 3 plants 60-90 em, or more; leaves numerous 
< Stemsusually strict, unbranched; pedicels erect, the 
L en horizontal, the flowers pressed against the 
stem 
4 Lower stem and leaves puberulent with fine recurved 
SOK VWs 
faa or seidem glabrous; leaves more or less 
dimorphic, the lower pinnatifid, the upper 
deeply pectinately divided into linear 
° 
divisions Pa Burkei 
-“ Lower stem and leaves villous and somewhat glandular 
2 J With loose Spreading hairs; leaves subequal, all 
> 4 
pinnatifid into expanded rather blunt lobes 3, D 
¢ Cyanore} 
2 Stem$branched, especially in the inflorescence; pedicels 
6 ascending, spreading away from the rachis 
g S@pals 1,5-2 cm, long; spur subequal 
4e D. glaucescens 
4 S@pals 7-8 mm, long, the spur 12 mm, long 
Se De occidentale 
aol 
