66 
Crucifer*. 
— Fr.-peduncles 8—12 mm, distinctly narrower than the 
siliquas. Stem 20—50 cm. Axis of the fr.-raceme fairly 
straight—Alp. and subalp.; G. W. Y. B. O. J. (Soloth.). 5 
saxatilis All. 130. 
7. Caul Is truncate-auricled at the base or slightly cordate. 
Siliquas 30—50 m; stem 30—60 cm. —b. incana Both. 
A more stunted mountain form; see N. Beitr. I. 3 — 
Grassy slopes, road-sides; distrib. 5 hirsuta Scop. 131. 
— Cauline Is cordate-sagittate at the base, with pointed 
auricles. Siliquas 60—80 mm. Stem 60—80 cm .—As the 
last; rarer; W. Y. A. 5 . . . sagittata Dec. 132. 
8 (1). Rad. Is lyrate-runcinate, or undiv., but then distinctly 
petioled. FIs rose-coloured, rarely white . . 9 
— Ls entire, toothed or sinuate-dentate. FIs white, rarely 
streaked with rose, or yellowish white . . 10 
9. Rad. ls oblong-obovate in contour, lyrate-pinnatifid, with 
3—9 lobes on each side. FIs fairly large, gen. rose-coloured. 
Rocky, sandy places, rare; near Aarau, Aarbourg, Burg- 
dorf, by the Emme, Birs, at Doubs. 3 arenosa Scop. 133. 
— Rad. ls or their terminal lobe roundish or oval, the 
rachis bearing 1 — 3 lateral lobes on each side, and then 
the ls lyrate. FIs smaller, white.—Upper Engadinc, southern 
side of the Simplon. 6 . . . . Halleri L. 134. 
10- Seed surrounded by a broad membranous wing. (Alpine 
pis) . . . . . . . . . . 11 
— Seed wingless or surrounded by a narrow wing, some¬ 
times rather broader at the top .... 13 
11. FIs bluish, 4—5 mm long. Pets oblong-cuneiform. Rad. 
ls with 3 teeth towards the top. Stem 3—10 cm .—High 
Alp. 7.coerulea Ail. 135. 
— FIs white. Pets oblong-obovate. Rad. ls entire or slightly 
toothed ......... 12 
12. Ls more or less hairy; the cauline 2—3, not clasping. 
FIs almost as large as in 128. Stem 5—10 cm. —Alp. 6 
pumila Jacq. 136. 
— Ls almost glabrous; the cauline 8—12, half-clasping. 
FIs smaller than in the last. Stem 15—25 cm. —Alp. 7 
bellidifolia Jacq. 137. 
13 (10). Peduncles 2—3 times as long as the calyx. Comp, 
genus Stenophragma. 
— Peduncles about as long as the calyx . . 14: 
14. Siliquas erect-applied, parallel to the axis . lo 
— Siliquas spreading or erect-spreading, standing 
away from the axis .... . 10 
15. Ls toothed, the caul, truncate at the base. FIs small. 
Comp. A. hirsuta. 7. 
— Ls more deeply toothed, the caul, rounded at the base. 
