512 ODOROGRAPHIA. 



Cruciferous plants, which are mostly erect herbs, and very rarely 

 of a shrubby halnt. All the species are covered with a soft, white, 

 stellate down, sometimes they are scabrous, with pedicellate glands. 

 The leaves are alternate, oblong, entire or sinuately-toothed. 

 Eacemes terminal. Pedicels without bracteas. Flowers purple or 

 white, sometimes of a dark sad colour, generally sweet-scented. 



M. incana is the parent of all the garden varieties of Brompton 

 Stock. It is a native of the South of Europe, near the sea, and in 

 England it is found wild on rocky cliffs to the east of Hastings 

 and in the Isle of AVight. Its stem is from 1 to 2 feet in height, 

 shrubby at the base, erect, simple or branched. Leaves lanceolate, 

 quite entire, hoary. Siliques somewhat cylindrical, without 

 glands. The flowers vary from single to double, from scarlet to 

 purple, and white or even variegated with these colours ; these varie- 

 ties have been designated under various names by authors before 

 the days of Linuccus. {Cheiranthus incanus, Lin. spec, 924 ; Wein- 

 mann, Phvtanthoza Iconographica, t. 643, f. a. e., and t. 644, f. a. 



b.). 



31. tristis. This humble plant is best known as the Xight- 

 scented Stock. It has narrow hoary leaves and dingy yellow or 

 greenish-brown flowers, which are very sweet-scented in the 

 evening. It is a native of stony places exposed to the sun, in the 

 South of Europe by the sea-side, such as Portugal, Spain, Greece, 

 Piedmont, Mauritania, &c. {Cheiranthus tristis, Lin., Spec, 925. 

 Hespcris awjustifolia, Lam., Diet., iii., p. 322 ; Barrelier, Icon., 

 Plantar per Gallium, Hispanium et Italiam observatie, t. 803. 



M. annua is the original of all the varieties of Ten-week Stock. 

 It is a native of the South of Europe by the sea-side. (Sweet, 

 Hort. Suburb. Lond., 147. Cheiranthus incanus, Lin., Spec, 925. 

 Schkuhr, Botanisches Handbitch, ii., t. 284: Bauhin, Historia 

 Plantarum, ii., p. 875, f. 1. Matthiola incana, var. h, E. Brown, in 

 Ait, Hort. Kew, ed. 2, iv., p. 119. Hcsperis Sativa, var. a, Lam., 

 Diet., iii., p. .'524. 



M. Graxa. (Sweet, Hort. Suburb. Lond., 147). The smooth- 

 leaved Annual or Grecian Stock is a native of Greece and the 

 neighbouring islands. It is distinguished from 3f. annua in the 

 leaves being smooth and green, not hoary. Its flowers are purple. 

 Cheiranthns Graxus, Jussieu, in Pers. Ench., ii., p. 201. Hesperis 

 wstiva, var. jS, Lara., Die, iii., p. 324. 



