CRUCIPBR^. (MUSTABD FAMILY.) 95 



shaped, winged — Small shrubs or monocarpic herbs, with umbellate 

 white or pink flowers. 



* Leaves entire or nearly so. Flowers strongly radiating. Biennials. 



1. I. Jordan!, Boiss. © .1 to .15, branching from neck. 

 Leaves somewhat setulose, entire or repand, oblong-spathulate to 

 linear. Flowers pink, crowded in a flattened umbel ; silicles in a short 

 somewliat umbelUTce raceme^ ovate, .007 long, somewhat concave ; 

 wings purple, acutish ; style shorter than sinus — May and June — 

 Amanus. 



2. I. Taiirica, DC. @ .2 to .3, branching from neck. Leaves 

 obovate-spathulate to linear-spathulate entire, or somewhat dentate. 

 Flowers flesh colored or pink, in a hemispherical umbel ; silicles in a 

 short raceme^ with spreading or contracted pedicels, ovate ; wings 

 acutish or obtuse ; style longer than sinus — Spring — Woods ; Cas- 

 sius and northward. 



* * Leaves more or less pinnatijid. Flowers scarcely radiating. Annuals. 



3. I. oclorata, L, .05 to .15, minutely bristly. Leaves 

 linear-lanceolate or spatlmlate, pinnatifid toward apex. Flowers small ; 

 silicles mnbellate, glabrous, ovate ; wings acute, twice as long as style — 

 March to May — Damascus to Nusairy Mountains, Aleppo, and north- 

 ward and eastward. 



46. TEESDAL.IA, R. Br. Tbesdalia. 



Sepals spreading, equal at base. Petals equal, or the outer radia- 

 ting. Stamens 4-6, with a scale at the inner side of base. Silicles obo- 

 vate ; cells 2-ovuled ; valves boat-shaped, with keel-like wings — 

 Annual glabrous herbs, with resetted, pinnatifid root-leaves. 



T. Lepidium, DC. .05 to .1. Petals not longer than calyx ; 

 stamens usually 4. Stigma sessile — July and August — Bikfaya. 



47. UUTCHIl^SIA, R. Br. Hutchinsia. 



Sepals equal at base. Petals entire. Filaments toothless. Sili- 

 cles (in ours) elliptical, flattened, valves keeled, wingless ; cells 2- 

 seeded — Small annuals, with pinnate leaves, and minute white 

 flowers. 



H. PetraBa, L. 0.1. Root fibrous, branches slender. Silicles 

 .002 long, a little shorter than pedicels — - Spring — Bare hills ; Moab. 



48. SEXEBIERA, Poir. Wart-Cress. Swine-Cress. 



Sepals short, spreading, equal at base. Petals oblong. Filaments 

 free, toothless. Silicles twin, indehiscent ; cells each containing 

 one globular seed — Annual or biennial herbs, diffusely branched 

 from neck, with minute white flowers. 



