MUSTARD FAMILY. 55 



C prat^nsis, Cdckoo-Flower or Ladies' Smock. Stem ascending 

 from a short perennial rootstocli ; the pinnate leares witli rounded and stalked 

 entire small leaflets ; flowers in spring, showy, pink or white ; in bogs at the 

 north, and a double-flowered variety is an old-fashioned plant in gardens. 



C. rhomboidea. Stems upright from a small tuber, simple, bearing rather 

 large white or rose-pui-ple flowers in spring, and simple angled or sparingly 

 toothed leaves, the lowest rounded or heart-shaped, the upper ovate or oblong : 

 in wet places northward. 



12. DENTARIA, TOOTHWORT. (From the Latin dens, a tooth.) U 



D. diph^lla^Two-LEAVED T., Peppee-root_, or Crinkle-koot. So 

 called from the fleshy, long and toothed rootstocks, which are eaten and taste 

 like Water-Cress ; there are only 2 stem leaves, close together, each of 3 rhom- 

 bic-ovate and toothed leaflets, and the root-leaf is similar ; flowers quite large, 

 white, in spring. Woods in vegeitable mould, N. 



D. lacini&ta, Laciniate T. Rootstock necklace-form or constricted in 

 2 or 3 plapes, scarcely jQpthed ; stem-leaves 3 in a whorl, each 3-parted into 

 linear or lanceolate leaflets, which are cut or cleft into narrow teeth, or the 

 lateral ones 2-robed ; flowers purplish, in spring : banks of streams. 



13. LUNAEIA, HONESTY or SATIN-FLOWER. (Name from Luna, 

 the moon, from the shape of the broad or rounded pods. ) © U 



L. biennis, Common Honesty. Not native to the country, but cultivated 

 in olo-fashioncd places, for tlie singular large oval pods, of which the broad 

 whitef partitions, of satiny lustre, remaining after the valves have fallen, are 

 used {for ornament ; leaves somewhat heart-shjiped ; flowers large, pink-purple, 

 in eai:ly summer. 



L.irediviva, Perennial Honesty, is a much rarer sort, with oblong 

 pods ;\ seldom met with here. 



14. D^ABA, WHITLOW-GRASS. (Name is a Greek word, meaning 

 acrid.)\,Low herbs, mostly with white flowers : the commoner species, are the 

 following ; fl. early spiing ; winter aiinuals. 



D. Caroiifti^pa" Leaves obevate, hairy, on a very short stem, bearing a 

 short raceme or corjTmb-on-a-scfipe-like peduncle 1' - 4' high ; petals not notched ; 

 pods broadly linear, much larger than their pedicels : in sandy waste places. 



D. v6rna. A diminutive plant, with a tuft of oblong or lanceolate root- 

 leaves, and a scape l'-3' high; petals 2-cleft; pods oval or oblong, in a ra- 

 ceme, shorter than their pedicels : in sandy waste places. 



15. CAMELIN A, FALSE-FLAX. (An old name, meaning dMwr/";,/Za3;; 

 the common species was fancied to be a degenerate flax.) ® 



C. sativa, Common F. A weed, in grain and flax-fields, l°-2° high, 

 with lanceolate leaves, the upper ones sagittate and clasping the stem ; small 

 pale-yellow flowers, followed by obovate turgid pods in a long loose raceme ; 

 style conspicuous. 



16. CAPSELLA, SHEPHERD'S-PURSE. {Siimemca.ns a little pod.) ® 

 C. Bursa-Past6ris, Common S, The commonest of weeds, in waste 



places ; root-leaves pinnatifid or toothed, those of the stem sagittate and partly 

 clasping ; small white flowers followed by the triangular and notched pods, in a 

 long raceme. 



17. IB^feBIS, CANDYTUFT. (Name from the country, Iba-ia, an ol,d 

 name for Spain. ) Low garden plants, from Europe, cultivated for ornament; 

 dififerent from the rest of the order in the irregular corollas. 



1. umbellkta, Common C. ®. Lower leaves lanceolate, the upper 

 linear and entire ; flowers purple-lilac (or pale), in flat clusters, in summer. 



I. semp6rvirens, Evergreen C. U Bather woody-stemmed, tufted, 

 with bright green lanceolate or linoar-spatillate thickish entire leaves, and flat 

 clusters of pure white flowers, in spring. 



