78 ELEMENTS OF BOTANY, 



IV. AQUILEGIA. 



Perennial herbs ; stems erect, branching, 1-2 ft. high ; leaves 

 compound ; flowers showy, nodding ; sepals 5, colored ; petals 

 5, prolonged downward as a hollow, curved spur ; stamens 

 numerous, the inner ones longer ; pistils 5 ; follicles many- 

 seeded. 



1. A. Canadensis L. Columbinp:. (Sometimes wrongly called 

 honeysuckle.) Stems several or many in a clump, branching, smooth 

 or slightly pubescent, leafy ; radical leaves long-petioled, biternate ; 

 stem leaves short-petioled, ternate; leaflets roundish or obovate, 

 lobed ; flowers terminal or somewhat corymbed, large and showy, 

 scarlet and yellow; sepals ovate, acute; petals horn-shaped, attached 

 by one edge of the mouth ; stamens and styles exserted ; follicles 

 erect and somewhat divergent at maturity. April-May. Rocky 

 woods and river banks. 



2. A. VULGARIS L. European Columbine. Very similar to 

 A. Canadensis, but with spurs shorter and more curved, and the 

 stamens less exserted ; flowers white, blue, or purple, and often double. 

 Common in cultivation. 



V. DELPHINIUM. 



Annual or perennial herbs ; stem erect, simple, or branched ; 

 leaves alternate, petioled, palmately divided ; flowers in ter- 

 minal racemes or panicles, showy ; sepals 5, colored, irregular, 

 the upper one prolonged into a spur ; petals 4, unequal, the 

 two upper ones with long spurs which are enclosed in the 

 spur of the upper sepal, the other two short-stalked; pistils 

 1-5, ovaries many-seeded. 



1. D. AzuREUM Michx. Blue Larkspur. Perennial; stem 

 usually simple, slender, downy, 1-2 ft. high; leaves 2-3 in. wide, 

 3-5-parted, the divisions cleft into 3-5 narrow, toothed, or entire 

 lobes ; flowers in a strict, many-flowered, terminal raceme, showy, 

 blue, spur ascending, curved; lower petals bearded, 2-cleft; pods 

 erect. April-June. On rich soil in open places. 



2. D. CoNSOLiDA L. Garden Larkspur. Annual ; stem branch- 

 ing, 3-4 ft. high ; leaves cut and divided into narrowly linear lobes ; 

 racemes loosely flowered ; flowers blue ; petals somewhat united ; 

 pistil single. June-September. Introduced and naturalized in many 

 places. 



