RANUNCULACEAE (CROWFOOT FAMILY) 405 



Mossy woods and swamps, Lab. to Alask., s. to Md., mts. of N. C. and Tenn., 

 Mich., and n. e. la. May-July. (Greenl., Eurasia.) 



14. HELLEBORUS [Tourn.] L. HELLEBORE 



Sepals 5, petal-like or greenish, persistent. Petals 8-10, very small, tubular, 

 2-lipped. Pistils 3-10, sessile, forming coriaceous many-seeded pods. Peren- 

 nial herbs, with ample palmate or pedate leaves and large solitary nodding early 

 vernal flowers. (An ancient name of unknown meaning.) 



1. H. vfRiois L. (GREEN H., CHRISTMAS FLOWER.) Root-leaves glabrous, 

 pedate; calyx spreading, greenish. Has been found wild on L. I., in Pa., 

 N. J.,. and W. Va. Dec. -Apr. (Nat. from Eu.) 



15. ERANTHIS Salisb. WINTER ACONITE 



I Sepals 5-8, petal-like, deciduous. Petals small 2-lipped nectaries. Carpels 

 w, stipitate, several-seeded. Perennial herbs, with palmately multifid radi- 

 cal leaves, the scape bearing a single large yellow flower surrounded by an 

 involucre of a single leaf. (Name from ^p, spring, and Avdos, flower.) 



1. E. HYEMALIS (L.) Salisb. Dwarf ; flowers cup-shaped, shorter than the 

 stamens. (Cammarum Greene.) Often cultivated; established in e. Pa. 

 Feb., March. (Nat. from Eu.) 



16. NIGELLA [Tourn.] L. FENNEL FLOWER 



Sepals 5, regular, petaloid. Petals small, ungeniculate, the blade bifid. 

 Pistils 5, partly united into a compound ovary, so as to form a several-celled 

 capsule. An Old World genus, with blackish aromatic seeds, noteworthy in 

 the family in having a somewhat compound ovary. (Name a diminutive of 

 niger, black, from the color of the seeds.) 



1. N. DAMASCENA L. (LOVE-IN-A-MIST.) Flower bluish, overtopped by a 

 finely divided leafy involucre. Sometimes cultivated, and occasionally spon- 



eous around gardens. (Introd. from Eurasia.) 





17. AQUILEGIA [Tourn.] L. COLUMBINE 



Sepals 5, regular, colored like the petals. Petals 5, all alike, with a short 

 spreading lip, produced backward into large hollow spurs, much longer than 

 the calyx. Pistils 5, with slender styles. Pods erect, many-seeded. Per- 

 ennials, with 2-3-ternately compound leaves, the leaflets lobed. Flowers large 

 and showy, terminating the branches. (Name of doubtful origin.) 



1. A. canadSnsis L. (WILD C.) Flowers 5 cm. long, scarlet, yellow inside, 

 nodding, so that the spurs turn upward, but the stalk becoming upright in fruit ; 

 spurs nearly straight ; stamens and styles longer than the ovate sepals. Rocks, 

 open woods, etc. Apr. -June. Var. PHIPPENII J. Robinson with salmon-colored 

 flowers, and var. FLAviFL6RA (Tenney) Britton with yellow flowers, are color 

 forms with paler foliage. A. COCCINEA Small robust and with acuminate 

 sepals 13-21 mm. long is a more or less marked and perhaps distinct species 



f the South and West. 



2. A. VULG\RIS L. (GARDEN C.) Flowers blue, purple, pink, or white ; 

 spurs hooked. Established in many places, especially northw. (Introd. from 

 Eu.) 



18. DELPHINIUM [Tourn.] L. LARKSPUR 



Sepals 5, irregular, petal-like ; the upper one prolonged into a spur at the 

 base. Petals 4 (rarely only 2, united into one), irregular, the upper pair con- 

 tinued backward into long spurs which are inclosed in the spur of the calyx, the 

 lower pair with short claws. Pistils 1-5, forming many-seeded pods in fruit. 

 Leaves palmately divided or cut. Flowers in terminal racemes. (Name 



