Cruci ferae. 
75 
60. Kernera. Kernera. XY, 11. 
1. Rad. Is narrowed at the base; caul, linear-oblong, some¬ 
times auricled at the base (v. auriculata).— Calcarious 
rocks of the Alp., subalp. and Jura. 5, 6 
saxatilis Rchb. 208. 
61. Armoracia. Armoracia. XY, 14. 
1. Rad. Is large, oval-oblong, cordate, crenate; lower caul, 
pectinate-pinnatifid, upper linear-lanceolate, almost entire. 
Cochlearia Armoracia L.—Road sides, water side, here 
and there subspontaneous. 5 rusticana FI. Wett. 209. 
62. Camelina. Camelina. XY, 10. 
1. Caul. Is linear-oblong, narrowed towards the base, then 
again enlarged, gen. sinuate-dentate or pinnatifid. Sili- 
cules inflated, truncate at the top, with thin valves. 
C. foetida Fr.—Fields, among flax, not common. 5, 6 
dentata Pers. 210. 
— Caul. Is oblong-lanceolate or lanceolate, denticulate or 
entire. Silicules rounded at the top ... 2 
2. Pis almost glabr. Fr.-racemes several, slightly elongated. 
Silicules obovate, with the valves much swollen.—Fields, 
here and there, subspontaneous 5, 6 sativa Crantz. 211. 
— Pis more hairy. Fr.-racemes isolated or few, gen. much 
elongated. Silicules obovate-pvriform, valves less swollen 
and harder than in the last. FIs of a paler yellow. C. 
sylvestris 'Wallr. — Fields; G. W. Y. S. Z. 5 
microcarpa Andrz. 212. 
63. Thalaspi. Penny-cress. XY, 24, 25. 
1. Silicules large (15—18 mm broad), broad-obcordate or 
almost orbicular, flattened and bordered all round with 
a broad wing. Seed covered with curved streaks! Stem 
angular.—Fields; everywhere. 5 . . arvense L. 213. 
— Silicules distinctly smaller, oblong-obcordate or obovate, 
slightly swollen at any rate on one side, wingless, or with 
a wing which disappears towards the base. Seed glabr. 
or spotted. Stem cylindric ..... 2 
2. FIs violet (very rarely white). Fr.-raceme dense, corymbi- 
form. Silicules oblong-obovate, almost wingless, slightly 
or not at all indented at the top, style long, prominent. 
— b. corymbosiim Gay (cepsefolium Moritzi). Divisions of 
the rt-stock shorter, pi. denser, stem straighter, rad. Is 
narrower.—Detritus in the Alp. and High Alp., especially 
calc.; b. Alp. on granite, near Zermatt. 6 
rotundifolium Gaud. 214. 
— FIs white. Fr.-raceme more or less elongated . 3 
