146 FLORA OF TEXAS. 



AQUILEGIA, L. Columbike. 



Sepals 5, equal, ovate, colored, spreading, caducous. 

 Petals 5, tubular, dilated at the mouth, the outer margin 

 erect, the inner attached to the torus, extending behind 

 into a long spurred nectary ; stamens indefinite, the inner 

 ones longer and sterile ; styles 5 ; follicles 5, many-seeded. 

 Leaves 2-3, tern ate. Flowers nodding. 



A. LEPTOCERA. Found among the Organ Mountains, 

 near Dona Ana, New Mexico. No description given. — 

 Bigeloiv. 



DELPHINUM, L. Larkspur. 



Sepals 5, colored, irregular, the upper one spurred behind. 

 Petals 4, very irregular, the 2 upper ones protracted into a 

 tubular nectariferous spur, enclosed in the spur of the 

 calyx ; styles 1-5 ; follicles 1-5. Showy herbs. Leaves 

 pinnately divided. Floiuers of the cyanic series never yel- 

 low. 



D. AZUREUM. Stem mostly simple, downy ; leaves 3-5- 

 parted, the divisions cleft 3-5, linear, toothed or entire, 

 acute lobes ; racemes many-flowered; joe^i'ceZs and /oZZiWes 

 erect; spur slightly curved, twice as long as the calyx. 

 Sepals sky-blue or sometimes whitish, tipped with brown. 

 Lower petals 2-cleft, bearded, stem (1°— 2°) high. Eich 

 soil. April, May. — MicJix., Buckley. 



D. viMiNEUM. Leaves flat, 3-parted, segments cuneiform, 

 obtuse, 3-lobed, mucronulate, uppermost ones linear, undi- 

 vided or 3-parted ; petioles scarcely dilated at the base ; 

 racemes loose, velvety ; limb of the inferior petals bifid at 

 the summit, spur straight, as long as the sepals; ovaries 

 silky. Floioers middle-sized, bright azure. BloOms in 

 July, August. Velasco (and all the coast prairies). — Drum- 

 mond. 



