210 Obdbr 1.— RANUNCUI.ACB-S. 



mouth, the outer margin erect, the inner attached to the torus, extend- 

 ing behind into a long spurred nectary ; stamens 30 — 40, the inner 

 ones longer and sterile ; styles 5, follicles 5, many-seeded. Lvs. 2 — 3- 

 ternate. Fls. nodding. 



1 A. Canadensis L. Glabrous ; spurs straight, longer than the limb ; ata. and 

 styjtexserted. — This beautiful plant grows wild in most of the States, in dry 

 soils, generally on the sunny side of rocks. It is cultivated with the greatest 

 ease, and is much more delicate in its foliage and in the hues of its flowers than 

 the common blue columbine. St. branching, a foot high. Lfts. 3 — 9, cuneate, 

 lobed. Fls. terminal, scarlet without and yellow within, pendulous, much 

 embellished by the numerous descending, yellow stamens and styles. JFruit 

 erect. May. 



2 A. vulgaris L. Spurs incurved; lvs. nearly smooth, glaucous, biternaie; 

 Bty. a little longer than the stamens. — Gardens. St. 1 — 2f high, with a profia- 

 sion of handsome, smooth foliage and large purple flowers. Lfts. bifid and trifid, 

 with rounded lobes. In cultivation the flowers become double, by the multipli- 

 oation of the hollow, spurred petals. They also vary in color through all shades 

 from purple to white. Jn.f § Eur. 



17. DELPHINIUM, L. Larkspur. Fig. 280. (Gr. dsXcpiv, a dol- 

 phin, from the fancied resemblance of the flower.) Sepals 5, colored, 

 irregulni', the upper one spurred behind ; petals 4, very irregular, the 

 two upper ones protracted into a tubular, nectariferous spur, enclosed 

 in the spur of the calyx ; styles 1 — 5 ; follicles 1 — 5. — Showy herbs. 

 Lvs. palmately divided. Fls. of the cyanic series, never yellow. 



§ Leaves many-cleft into linear or subulate di visions Nos. 1, 2 



§ Leaves 3 — O-parted. the segments lobed. (*) 



* Spur as lung as the sepals, ascending, straight Nos. S, 4 



* Sjiur longer than the sepals, defle.Tted at end Nos. 5, 6 



1 D. Consolida L. Glabrous, with spreading branches ; fls. few, looseh/ 

 racemed, ped. longer than the bracts : sty. solitary, smooth. — Tho common lark- 

 spur of the gardens, sparingly naturalized, fields and roadsides. Lvs. in nume- 

 rous linear division.?. Ju., JL It has numerous varieties of double and semi- 

 double flowers of various colors, f § Eur. 



2 D. azureum Mx. Pubescent or nearly smooth ; st. erect ; Its. 3 — 5-parted, 

 many-cleft, vjith linear-stalked lobes; petioles some dilated at base; rac. strict; 

 petals shorter than sepals, lower one densely bearded, 2-cleft ; spur ascending ; 

 Maries 3 — 5. — 1( Native in Wis. and Ark. A very variable species cultivated 

 in gardens. St. 2 — if high. Pis. azure colored.f 



3 D. exaltatum L. Petioles not dilated at base ; lvs. flat, 3-cleft below the 

 middle, segm. cuneiform, S-oleft at the ond, acuminate, the lateral ones often 

 2-lobed ; rac. strict, many-flowered ; spur slightly longer than the calyx ; pods 3, 

 erect. — Zf Native of the Middle States, rarely of the Northern. St. 3 — 4f high, 

 straight, erect. Pis. of a brilliant purplish blue. It is deservedly esteemed in 

 the flower garden, and is of the easiest culture. Jl., Aug.f 



4 D. trioorne Mx. Petioles slightly dilated at base; lvs. S-parted, divisions 

 3 — 5 cleft, lobes linear, acutish; rac. few-flowered, loose; petals shorter than 

 sepals, lower ones 2-cleft, densely bearded inside; spur ascending, straight, ns 

 long as the calyx ; pods 3, spreading in fruit. — 21 Uplands, Penu. to Mo. and Ark. 

 Plant 6—18' high, nearly smooth. Lvs. roundish in outliue, on long petioles. 

 Fls. 6 — 8, light blue, in a I'athor loose panicle. 



5 D. virescens Nutt. Pubescent; rac. loose, few-flowered; spur longer than 

 tfie sepals, ascending, straight, or but slightly deflexed ; lower petals deeply 2- 

 cleft ; flg. greenish white ; ovaries 3. — N. Car. to Ga. W. to Kansas. Plant 8 — 

 12' high. Lvs. 3 — 5-parted, lobes lanceolate, 2 — 3-clefl;, the middle one mostly 

 entire. Petals much shorter than the sepals, tho lower densely bearded. 



6 D. elatum L. Bee Larkspur. Lvs. downy, 5-lobed, lobes cuneate at base, 

 triad, cQt-dentato ; spur curved downwards. — 21 Gardens. St. 5 or 6£ high. Fls. 



