64 MUSTAKD FAMILY. 



7. CHEmANTHUS, WAIiLFOWER. {Cheiri is the Arabic name.[ 

 Like Stocks, but slightly if at all hoaiy, and the flowers orange, brown-red 

 dish, or yellow. 5|. 



C." Cheiri, Common Wallflower. Cult, from S. Eu., not hardy N., 

 a much-prized house-plant ; stem woody, crowded with the narrow and pointed 

 entire leaves. 



8. ERYSIMUM. (Name from Greek, and meaning to draw blisters, from 

 the acridity.) 



E. ^perum. Western Wallflower. Wild from Ohio W. & S. ; like 

 the wild state of the Wallflower, with bright yellow or orange flowers, but the 

 seeds are different, and the long pods quite square in the cross-section ; the 

 leaves somewhat toothed and hoary. ® y. 



E. cheirantholdes, Theacle-Mustard or Wormseed Mbstahd. 

 A rather insignificant annual, wild or run wild in waste moist places, with slen- 

 der branches, lanceolate almost entire leaves, and small yellow flowers, followed 

 by shortish and obscurely 4-sided pods on slender spreading pedicels. 



9. BARB ABE A, WINTER-CRESS. (The Herb of Santa Barbara.) 

 Different from the last genus in the seeds, divided leaves, and in the general 

 aspect. Leaves used by some as winter salad, but bitterish. ® U 



B. vulgaris, Common W. or Yellow Rocket. Smooth, common in 

 old gardens and other rich soil, with green lyrate leaves, and bright yellow 

 flowers, in spring and summer ; pods erect, crowded in a dense raceme, much 

 thicker than their pedicels. 



B. praecox, Early W. or Scurvy-Grass. Cult, from Penn. S. for early 

 salad, beginning to mn wild, probably a variety of the last, with more numerous 

 and narrower divisions to the leaves ; the less erect pods scarcely thicker than 

 their pedicels. 



10. ARABIS, ROCK-CRESS. (Name from Arabic.) El. spring and 

 summer. Leaves mostly simple and undivided. 



» Wild species, on rocks, ^c. : flowers white or whitish, not showy. ® 



A. lyrata. Low R. A delicate, low, nearly smooth plant, with a cluster 

 of lyrate root-leaves ; stem-leaves few and narrow ; bright white petals rather 

 conspicuous ; pods slender, spreading. 



A. hirstlta, Hairy R. Strictly erect, l°-2° high; stem-leaves many 

 and sagittate ; small greenish-white flowers and narrow pods erect. 



A. l8Bvig^ta, Smooth R. Erect, 10-2° high, glaucous; upper leaves 

 sagittate ; flowers rather small ; pods 3' long, very narrow and not very flat, 

 recurving ; seeds winged. 



A. Canadensis, Canadian or Sicklbpod R. Tall, growing in ravines ; 

 stem-leaves pointed at both ends, pubescent ; petals whitish, narrow ; pods 3' 

 long, scythe-shaped, very flat, hanging ; seeds broadly winged. 



* * Wild, on river banks : flowers pink-purple, rather showy. ® Ij. 



A. hesperidoides. Rocket R. Smooth, erect, l°-3° high; with 

 rounded or heart-shaped long-petioled root-leaves, ovate-lanceolate stem-leaves 

 (2' -6' long), the lower on a winged petiole or with a pair of small lateral 

 lobes ; petals long-clawed ; pods spreading, narrow ; seeds wingless. Banks of 

 the Ohio and S. W. 



* * * Garden species : flowers white, showy. ^^. 



A. alpina, Alpine R., and its variety 1 A. Albida, from En., low and 

 tufted, hairy or soft-downy, are cult, in gardens ; fl. in early spring. 



11. CABDAMINE, BITTER-CRESS. (Ancient Greek name. ) U 



C. hirsilta, Small B. A low and branching insigniflcant herb, usually 

 not hairy, with slender fibrous root, pinnate leaves, 3ie leaflets angled or 

 toothed, and small white flowers, followed by narrow upright pods : common in 

 moist soil, fl. spring and summer. 



