Cruciferae. 
65 
— As the last; reported from near Bremgarten (Aargau), 
Vevey, neighbourhood of Geneva, and near Radolfingen, 
Canton Bern. 5 arcuata Rchb. 122. 
4(1). Siliquas numerous,'crowded, fairly erect (25 — 30 mm). 
Lower Is with 4—5 pairs of segments. B. augustana 
Boiss., sicula G. G.—Great St. Bernard. J. 5 
intermedia Bor. 123. 
— Siliquas less numerous, less crowded, longer (40—70 mm). 
Lower Is with 4—8 pairs of segments.—Rubbish heaps, ad¬ 
ventitious ; near Yevey, Geneva, Bale. 5 * praecox R. Br. 124. 
34. Turritis. Turritis. XV, 56. 
1. Rad. Is gen. runcinate, covered with stellate hairs; 
caul. Is entire, sagittate, glabr., glaucous. Siliquas erect, 
60—90 mm long.—Stony places, thickets; distrib. 6 
glabra L. 125. 
85. Arabis. Rock-cress. XV, 51, 53. 
1. Caul. Is with cordate or cordate-sagittate base, auricled- 
clasping ......... 2 
— Caul. Is narrowed-cuneiform at the base, or rounded, 
without auricles ....... 8 
2. Stem and Is glabrous; Is entire, the lower ones narrowed 
to a fairly long petiole. Habits of Turritis.—Stony, moun¬ 
tainous places, rare; G. W. Y. B. O. S. (?). 5 
brassicseformis Wallr. 126. 
— Stem and Is more or less hairy . ... 3 
3. Siliquas arched and turned down on one side (100 to 
150 mm ).—Stony places, thickets; on calc., especially 
in the Jura (wanting in S.). 5 . . Turrita L. 127. 
— Siliquas erect or spreading ..... 4 
4. FIs 8—10 mm long. Perenn. pis, flourishing on sterile 
places. Cal. distinctly saccate at the base.—Rocky places 
in the Alp., subalp. and Jura, descending to the plains. 
4—6. A albida Stev. which resembles it (differing in the Is 
which are tomentose and have only 2—3 teeth on each 
side, and in the almost wingless seeds). Ornamental 
asiatic pis, sometimes subspontaneous alpina L. 128. 
— FIs 4—6 mm long. Ann. or bienn. pis, rarely perenn., 
without barren shoots ...... 3 
5. Siliquas spreading, rather distant from one another. 
Ann pis, the rad. Is often withered at the flowering period 6* 
— Siliquas erect, in dense racemes Pis at least bienn.; 
rad. Is in dense rosettes. Type of A. hirsuta . 7 
6 Fr.-peduncles 3—5 mm long, almost as broad as the 
siliquas. Stem slender, 10—30 cm. Axis of the fr.-raceme 
bent in zigzag.—Stony places; rare; G. W. J. A. 4 
auriculata Lam. 129. 
