Aqoilegia. RANUNCULACE^. 29 



tifid, acutely serrate ; scape 2-Ho\vere(l ; sepals 5, linear-lanceolate, rettexed. 

 Sulisb. I. c. ; Purs/i, fl. 2. ]). :^91 ; Hook. ft. lior.-Am. 1. p. 23. ;. U. 



North West America! Sitcha ! — Rhizoma thick, horizontal, branchin<T, 

 lhro\vin<^ ofl' lon^ blackish fibres. Scape at first shorter than the leaves, in 

 fruit elongated ; pedicels very Ion?. Flowers white. Petals 5, very long 

 and narrow, dilated and concave-cucullate in the middle, fililbrmly attenuated 

 upwards. Carpels with a very short point at the summit. 



11. ENEMION. Raf. in jour. phys. (1S20) 2. p. 70. 



Sepals 5, petaloid, deciduous. Petals none. Stamens 20-30. Ovaries 

 3-6 (mostly 4), 2-ovuled : style as long as the ovary : stigma glandular, re- 

 curved. Follicles 2-6, sessile, ovate, compressed, acuminate with the style, 

 2-5eeded. Seeds large, ovate, compressed, with a prominent cord-like raphe : 

 albumen oily. — A slender smooth herbaceous perennial. Leaves biternately 

 divided, with lobed membranaceous segments. Flowers white. Roots fi- 

 brous and grumous. 



E. hiternatum (Raf.! 1. c.)—DC. prodr. 1. p. 48. Isopyrum thalic- 

 troides. Short I cat. pL Kentucky, 1. p. S; Hook ! in jour. hot. p. 187. 

 (note.) 



Moist shady places, Kentucky, Dr. SJwrt ! Dr. Peter ! Indiana, Dr. 

 Clappf Arkansas, Dr. Pitcher ! Ohio, liidt I ell. May.— Root consisting 

 of a tuft of thick fibres, often grumous. Stems several, 6-10 inches high, 

 moderately branched. Radical leaves, and those on the lower part of the 

 stem, on long petioles, biternate : leaflets roundish, 3-lobed ; the lobes very 

 obtuse. Petioles auricled at the base. Flowers on filifomi peduncles which 

 are at length much elongated, temiinal, and axillary near the upper part ot 

 the stem, about three-fourths of an inch in diameter. Sepals obovate, obtuse, 

 white. Petals always wanting. Stamens half as long as the sepals : fila- 

 ments filiform: anthers ovate. Ovaries seldom less than 3, or more than 5, 

 ovate. Style someAvhat clavate ; nearly the upper half stigmatic on the 

 inner side. Carpels broadly ovate, marked with a few strong oblique veins, 

 spreading in a radiated manner and at length reflexed, acuminated with the 

 persistent style. Seeds nearly a line and a half in length, minutely pubes- 

 cent. Embiyo very minute.— This plant so greatly resembles Isopyrum 

 thalictroides, that without the fruit, it can only be distinguished by a close 

 examination. 



12. AGIUILEGIA. Lin7i.; DC. syst. 1. p. 333. 



Sepals 5, deciduous, colored. Petals 5, somewhat bilabiate ; the outer lip 

 large, flat and spreading ; inner one veiy small, produced at the base into as 

 many hollow spurs or horns, which descend between the sepals. Follicles 5, 

 erect, many-seeded, pointed with the style. — Perennial herbs Avith hi- or tri- 

 ternate leaves. Flowers teraiinal, scattered. Columbine. 



1. A. Canadensis (Linn.): spur straight, longer than the limb; sepals 

 ovate or oblong, a little longer than the petals ; stamens and styles exserted. 

 —Michx. .' ft. 1. p. 316 ; DC. prodr. 1. p. 50 ; Bot. mag. t. 246 ; Hook.! 

 ft. Bor.-Am. 1. p. 24 (in part) ; Bart. ft. Am. Sept. 1. t. 36. 



0. hybrid a (Hook.): spurs incurved at the apex; styles shorter; flowers 

 purplish.- //oo/f. Z. c— "A. Canadensis /?. violacea; spurs nearly twice the 

 length of the petals." Nutt. ! mss. 



