34 RANUNCULACEiE. Aconitum. 



14. ACONITUM. Linn. ; DC. syst. 1. p. 364. 



Sepals petaloid, irregular, deciduous ; the upper one (galea) large, vaulted. 

 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, concealed 

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

 raately divided. 



1. A. uncinalnm (Linn.) : panicle rather loosely (lowerrd, with diverging 

 branches; galea obtusely conic, compressed, with an obtuse beak; spur 

 thick, inchned ; leaves deeply 3-lobed.— Mc/to:. '. Ji. 1. ;>. 315; Bot. mag. t. 

 1 119 ; DC. prodr. 1. p. 60 ; Ell. sk. 2. p. 20. 



Mountains, in wet places, New-Yom (Chenango county, Le Covte.')& 

 Pennsylvania! to Georgia ! June-July. — Root tuberous. Stem flexuous, slen- 

 der (climbing. Ell.). Leaves truncate at the base, coarsely toothed : lateral 

 segments often 2-lobed. Flowers blue, as large as in A. NapeUus. Ovaries 

 3-5, villous. 



2. A. Nap('llii,<} (L\nx\.) — 0. delphinifoUvm (Seringe): flowers racemose, 

 with the peduncles elongated ; galea semicircular ; sac somewhat conic, with 

 a short inchned spur; ovaries 4-6; lobe^ of the leaves pinnatifid; lobules 

 undivided. Scringe, mus. Helv. 1. p. 159; DC. prodr. \.p. 63 ; Bong. ! 

 veg. Sitcha,l. c. p. 124. A. delphimfoUum, var. Americanum, DC. syst. 1. 

 p. 380 ; Beichenb. aconit. t. 9. 



North West America, Sitcha ! and north to Kotzebue's Sound ; Rocky 

 Mountains. — Flowers deep blue. 



3. A.na.mtmn (Fisch. mss.) : petals erect, with the spijj arcuate ; ga- 

 lea conical, prone; spur descending ; raceme someAvhat panicled ; divisions 

 of the leaves rather broad. Hook. Ji. Bor.-Am. 1. p. 26. A. Fischeri, 

 jReichenb. aconit. t. 22. (fide Hook.) 



Near the source of the Wallawallah River, in the Blue Mountains of Ore- 

 gon, Douglas.— A native also of Kamtscatka, Siberia, and the south of Eu- 

 rope. 



4. A. Columbionum. (Nutt. ! mss.): "petals erect, with the spur ar- 

 cuate; galea narrow and oblong ; beak small and acutely projecting ; stem 

 attenuated ; panicle small and racemose ; leaves palmate, 5-7-cleft ; seg- 

 ments rhombic-ovate, acute, incisely and sharply toothed; petioles very 

 short. 



" Springy places on the Oregon, below Wallawallah. — Plant glabrous ex- 

 cept towards the summit^ about 3 feet high, attenuated and leafy. Flowers 

 small, pale dull blue, hairy. Galea narrower than the other sepals, with a 

 prominent acute beak. Lateral sepals very unequal." Nntt.—'Y\\is may be, 

 as Mr. Nuttall suspects, not distinct from tlie preceding species. 



X Doubtful species. 

 A. pallidum (Nutt.) — Loudon^s hort. Brit, suppl. p. 482. 



Tribe IV. CIMICIFUGEiE. 



Subord. Cimicifugese, Am. 



Sepals petaloid, caducous. Petals (or rather dilated sterile filaments, 

 or staniinodia) 3-6. Anthers introrse or innate. Carpels few, some- 



