KESEDACE.E. (MIGNONETTE FAMILY.) 75 



or oblong, veiny, turgid, many-seeded. — Fetid annnal.s, with glandular or 

 clammy hairs. Flowers in leafy racemes. (Name from iroAus, rnanij, and 

 6.vi(yos, utieqnal, points in which the genus differs in its stamens from Cleome.) 



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

 11, scarcely exceeding tlie petals; style sliort; pod slightly stij)itate. — Grav- 

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

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



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

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

 rough. — Iowa to Kau. and westward. 



2. CLEOME, L. 



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

 tween the petals and stamens, and bearing a gland behind the stijiitate ovarv. 

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

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

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



1. 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. — ]\Iinn. 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^3E. (Mignonette Family.) 



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

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

 latter. Calyx not closed in the bud. Capsule 3 - G-lobed, 3 - (^-horned, 1- 

 celled with 3 - G-parietal placentce, opening at the fop before the seeds (which 

 are as in Order 11) are full groicn. — Leaves alternate, with only gland.s 

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

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

 odorata) and the Dyer's Weed. 



1. EESEDA, Tourn. Mignonette. Dyer's Rocket. 



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

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



R. LuTi:oLA, 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. — Koadsides, X. Y., 

 etc. — Plant 2° high. Used for dyeing yellow. (Adv. from Eu.) 



R. LtTTEA, L. Leaves irregularly pinnately parted or bipinnatitld ; sepals 

 and petals 6, stamens 15-20. — Nantucket, Mass., and ballast-grounds. 



