60 MUSTARD FAMILY. 



• • » Pod short, much flattened contrary to the narrow partition; the valves, there- 

 fore, deeply boat-shaped. Flowers white, small. 



->- Pod several or many-seeded. 



21. CAP8ELLA. Pod triaugular, ur pyrifomi, with a notch at the top. Weeds. 



•(- -(- Pod with 2, or rarely more, seeds. 

 +* Corolla regular and small. 



22. LEPIDIUM. Pod thin, smooth, and oval. Eiect herbs. 



23 SENEBIERA. Pod thickish and wrinkled, or warty-roughened. Diffuse or prostrate 

 herbs. ^ ^^ Corolla irregular, the petals very unequal. 



24. IBERIS. Pod scale-shaped, roundish, or ovate. Flowers white or purple in flat-topped, 



or sometimes elongated, clusters. 



§ 2. Fruit indehiscent, toing-like, l-seeded. [Senehiera may be sought here.] 



25. ISATIS. Flowers yellow. Fruit 1-celled, l-seeded, resembling a small samara or ash 



fruit. 



§ 3. Fruit fleshy, or when ripe and dry corky, not opening by valves, 2-many-seeded. 



26. CAKILE. Fruit jointed in the middle ; the 2 short joints 1-celled, l-seeded. Seed 



oblong. 



27. RAPHANUS. Fruit several-seeded, with pithy matter, or with constrictions between 



the spherical seeds. 



1. LUNARIA, HONESTY or SATIN FLOWER. (Latin : the moon, 

 from the silvery persistent partition of tlie pods.) ® (g) ^ 



L. dnnua, Linn, (or L. biennis). Common Honesty. Cultivated in 

 old-fashioned places, for the singular large oval pods, of which the broad 

 wrhite partitions of satiny luster, remaining after the valves have fallen, 

 are used for ornament ; leaves somewhat heart-shaped ; flowers large, 

 pink-purple, in early summer. Eu. 



L. rediv)va, Linn. Perennial Honesty is a much rarer European 

 sort, with oblong pods ; seldom met with here. 



2. LEAVENWORTHIA. (For the late M. C. Leavenworth.) Low 

 winter annuals, with lyrate leaves. 



L. Michailxii, Torr. Leaves with 7-15 lobes ; petals obtuse, purple, 

 or nearly white, with yellowish claw ; pods even. S. Ind. to Tenn. 

 and Mo. 



L. torul6sa, Gray, similar to the preceding, but with notched petals 

 and knotty pods, grows in the barrens of Ky. and Tenn. 



L. atirea, Torr., has leaves with 4-7 lobes, petals as in the last, but 

 pods even and flowers yellow. N. Ala. and W. 



3. DENTARIA, TOOTHWORT. (Latin : dens, a tooth.) % Low 

 plants with handsome flowers in early spring. 



D. diphylla, Linn. Two-leaved T., Pepper Root, or Crinkle Root. 



Rootstocks fleshy, long (5'-10'), and toothed, edible ; stem-leaves 2, close 

 together, each of 3 rhombic-ovate and toothed leaflets ; root-leaf similar ; 

 flowers quite large, white, in spring. Rich woods, N. 



D. heterophylla, Nutt. Rootstocks near the surface, short, promi- 

 nent, tubercled ; stem-leaves of 3-petioled leaflets which are oblong-lance- 

 olate to linear, entire or deeply crenate, rarely cut ; flowers in late spring. 

 Penn. to Ky. and S. 



D. laciniita, Muhl. Rootstock deep in ground, short, necklace-form, 

 or constricted in 2 or 3 places, scarcely toothed ; stem-leaves 3, often in a 



