44 Spring Flora of Ohio. 



6. Genus AC-T^'-A. — Sepals 4-5, falling off when the flower ex- 

 pands; leaves 2 to o-ternately compound, leaflets cleft and toothed; 

 fruit a many-seeded berry. 



Ac-tae'-a ru'-bra (Ait.) Willd. {A. spicata var. rubra Ait.) Red Bane- 

 berry.^ Raceme ovate, pedicels slender; berries cherrj^-red (or some- 

 times white), oval ; petals rhombic, .spatulate, much shorter than the 

 stamens. 



Ac-tae'-a al'-ba (L.) Mill. White Baneberry.— Raceme oblong, pedicels 

 thickened in fruit, red; berries white, globular oval ; petals slender, 

 mostl}' truncate. 



7. Genus CIM-I-CIF'-U-GA. — Sepals 4 or 5, falling off as soon as 

 the flower expands ; flowers in elongated racemes ; leaves 2 to 3-ter- 

 nately divided. 



Cim-i-cif'-u-ga ra-ce-mo'-sa (L.) Nutt. Black Snakeroot: Black Cohosh. 



— Stem ,')-S ft. high; racemes in fruit l-o ft. long. 



8. Genus AQ-UI-LE'-GI-A. — Sepals o, colored like the spurred petals; 

 leaves 2 to 3-ternately compound ; flowers large and showy. 



Aq-ui-le'-gi-a can-a-den'-sis L. Wild Columbine.— Spurs nearly straight. 



Aq-ui-le'-gi-a vul-ga'-ris L. Garden Columbine. — Spurs hooked. Some- 

 times escaped from cultivation. 



9. Genus DEL-PHIN'-I-UM. — The upper sepal prolonged into a 

 spur and enclosing the spurs of two petals ; leaves palmately divided 

 or cut ; flowers in terminal racemes. 



Del-phin'-i-um tri-cor'-ne Mx. Dwarf Larkspur. — Pistils 3; raceme 

 few-flowered, loose ; flowers bright blue, sometimes white ; pods 

 strongly diverging. 



Dei-phin'-i-um car-o-li-ni-a'-num Walt. {D. azureum Mx.) Larkspur. 

 — Pistils 3 ; raceme strict ; flowers sky-blue or whitish ; pods erect. 



Del-phin'-i-um con-soK-i-da L. Field Larkspur. — Pistil single, petals 

 2, united into one body ; leaves dissected into narrow linear lobes. 

 Introduced and flowering later. 



10. Genus AC-O-NI'-TUIVI. — The upper (larger) sepal hooded, con- 

 cealing two small spur-shaped, clawed petals ; leaves palmately cleft ; 

 flowers blue, showy, in racemes. 



