20 RANUNCULACE^. Aquilegia. 



1. Aquilegia Canadensis, Linn. Canadian Columbine. 



Spur straight, larger than the limb ; sepals ovate or oblong, a little larger than the petals ; 

 stanncns and styles exserted. — Michx. fl. l.p.ZQ; DC. prodr. 1. p. 50 ; Bot. mag. t. 246 ; 

 Bart. Jl. Amer. Sept. 1. ^ 36; Hook. fl. Bor.-Amer. 1. p. 24 (in part); Darlingt. fl. Cest. 

 p. 320; Torr. ^ Gr.fl. N. Am. I. p. 29. 



Root fusiform. Stem 12 - 18 inches high, paniculately branched, smooth. Leaves on 

 long petioles, glaucous underneath, commonly biternate ; leaflets cuneiform, crenately lobed. 

 Flowers on slender pedicels, pendulous, scarlet externally, yellowish within. Spurs about 

 an inch long, swollen, slightly curved and callous at the extremity. Ovaries pubescent : 

 styles a little longer than the stamens. 



Rocky hill-sides ; flowering from the end of April to July. 



10. DELPHINIUxM. Linn. ; Endl. gen. 4796. larkspur- 



[From the Greek, delphin, a dolphin; from the shape of the upper sepal.] 



Sepals 5, deciduous, petaloid, irregular , the upper one produced into a spur at the base. 

 Petals 4, irregular ; the two superior ones furnished with a spur-like appendage at the 

 base, inclosed in the spur of the calyx. Ovaries 1 — 5, mostly 3. FolUcles many-seeded. — 

 Annual or perennial herbs with erect branched stems. Leaves petiolate, palmately divided. 

 Flowers in terminal racemes, commonly blue. 



§. CoNsoLiDA, DC. Ovary solitary : petals united into one: inner spur of one piece. — Annual. 



1. Delphinium Consolida, Linn. Common Larkspur. 



Stem erect, smoothish, divaricately branched ; flowers few in a loose raceme ; pedicels 

 longer than the bracts ; carpels smooth. — DC. prodr. \. p. 51 ; Pursh, fl. 2. p. 372 ; Torr. 

 ^ Gr.fl. N.Am. l.p. 30. 



Annual. About a foot high. Leaves divaricately divided into numerous linear segments. 

 Flowers numerous, in a long raceme, bright blue. Pedicels about an inch long. 



Fields and road sides : naturalized in a few places. July - August. 



12. ACONITL '^L Linn. ; Endl. gen. 4797. WOLFSBANE. 



[From Acmte, a town in Bithynia.] 



Sepals 5, petaloid, irregular, deciduous ; the upper one (galea) large, vaulted ; lateral ones 

 roundish ; the 2 lower oblong. Petals 5 ; the 3 lower ones minute, often converted into 

 stamens ; the 2 upper on long claws, expanded into a sac or short spur at the summit, con- 

 cealed under the galea. Follicles 3-5, many-seeded. — Perennial herbs. Leaves pal- 

 mately divided. 

 The species of this genus contain a powerful narcotic principle called Aconitine. 



