BESEDACE^E. (MIGNONETTE FAMILY.) 75 



or oblong, veiny, turgid, many-seeded. Fetid annuals, with glandular or 

 clammy hairs. Flowers in leafy racemes. (Name from TroAvs, many, and 

 Uvuros, unequal, points in which the genus differs in its stamens from Cleome.) 



1. P. grav^olens, Raf. Leaves with 3 oblong leaflets; stamens about 

 11, scarcely exceeding the petals; style short; pod slightly stipitate. Grav- 

 elly shores, from Conn, and W. Vt. to Minn, and Kan. June- Aug. Flowers 

 small (2 - 3" long) ; calyx and filaments purplish ; petals yellowish-white. 



2. P. trachyspdrma, Torr. & Gray. Flowers larger (4 - 5" long), the 

 stamens (12-16) long-exserted ; style 2 -3" long; pod sessile; seeds usually 

 rough. Iowa to Kan. and westward. 



2. CLEOME, L. 



Petals entire, with claws. Stamens 6. Receptacle somewhat produced be- 

 tween the petals and stamens, and bearing a gland behind the stipitate ovary. 

 Pod linear to oblong, many-seeded. Our species a glabrous annual, with 

 3-foliolate leaves, leafy-bracteate racemes, and rose-colored or white flowers. 

 (Name of uncertain derivation, early applied to some mustard-like plant.) 



I. C. integrifblia, Torr. & Gray. Calyx 4-cleft; petals with very short 

 claws , leaflets narrowly lanceolate to oblong ; bracts simple ; pod oblong to 

 linear, 1-2' long, the stipe as long as the pedicel. Minn, to Kan. and west- 

 ward ; N. 111. Flowers showy ; 2 - 3 high. 



3. CLEOMELLA, DC. 



Differing from Cleome in the clawless petals, glandless receptacle, and the 

 short few-seeded pod with more or less distended or even conical valves. 

 Flowers small, yellow. (Name a diminutive of Cleome.) 



I. C. angUStifblia, Torr. Glabrous, 1-2 high; leaflets (3) and simple 

 bracts linear to linear-lanceolate, acute; pod rhomboidal, the valves very 

 bluntly conical ; stipe shorter than the pedicel. Kan. to Tex. and westward. 



ORDER 12. RESEDACE^. (MIGNONETTE FAMILY.) 



Herbs, with unsymmetrical 4 - 1-merous small flowers, a fleshy 1-sided 

 hypogynous disk between the petals and the (3-40) stamens, bearing the 

 latter. Calyx not closed in the bud. Capsule 3 - Q-lobed, 3 - 6-horned, 1- 

 celled with 3 Q-parietal placentce, opening at the top before the seeds (which 

 are as in Order 11) are full grown. Leaves alternate, with only glands 

 for stipules. Flowers in terminal spikes or racemes. A small and unim 

 portant family, of the Old World, represented by the Mignonette {Reseda 

 odorata) and the Dyer's Weed. 



1. .RESEDA, Tourn. MIGNONETTE. DYER'S ROCKET. 



Petals 4-7, cleft, unequal. Stamens 12-40, on one side of the flower. 

 (Name from resedo, to calm, in allusion to supposed sedative properties.) 



R. LUTEOLA, L. (DYER'S WEED or WELD.) Leaves lanceolate; calyx 

 4-parted ; petals 4, greenish-yellow ; the upper one 3 - 5-cleft, the two lateral 

 3-cleft, the lower one linear and entire ; capsule depressed. Roadsides, N. Y., 

 Otc. Plant 2 high. Used for dyeing yellow. (Adv. from Eu.) 



R. LtJTEA, L. Leaves irregularly pinnately parted or bipinnatifid ; sepals 

 and petals 6, stamens 1 5 - 20. Nantucket, Mass., and ballast-grounds. 



