Crucifer*. 
78 
55. Lunaria. Moon-wort. XV, 19. 
1. Silicules oblong-lanceolate, acute at both ends (50—60 mm 
long). Ls all petioled.—Mountain forests, not common 
(wanting in Z.j. 5, 6 . . retliviva L. 193. 
— Silicules broad-elliptic, obtuse at both ends. Upper ls 
sessile.—Rocky, wooded slopes; recently found again in 
Wall, near Orsieres; Lugano: Mari. 4, 5 
* biennis IVIbnch. 194. 
k 
56. Petrocallis. Petrocallis. XV, 27. 
1. Ls cuneiform, 3-fid.—Limestone detritus in the High 
Alp.; not everywhere. 6 . . pyrenaica R. Br. 195. 
57. Draba. Whitlow-grass. XV, 27, 28. 
1. FIs yellow. Ls stiff, ciliate-pectinate with stiff hairs. 
Type of Draba aizoides ...... 2 
— FIs white, or turning rather greenish yellow when dried. 
Ls soft . . . . . . . . 3 
2. Style at least V 2 as long as the breadth of the silicule. 
—b. afjinis Host, (montana Koch). FIs larger. Fr.-raceme 
rather longer.—Calc, rocks of the Alp., subalp. and 
Jura, also descending lower; b. in the Jura. 3—7 
aizoides L. 196. 
— Style not V 2 as long as the breadth of the silicule, 
thicker than in the last.—W. G. 7, 8 
Zahlbruckneri Host. 197. 
3. Perenn. pis, with more or less numerous barren rosettes. 
Stem leafless or with few (1— 2) Is. Alpine pis . 
— Ann. pis, or at all events not long-lived. Barren rosettes 
0 or few. Stem leafy . .. . ... . S 
4. Peduncles (and stem) hairy. (Style very short or almost 0). 
Type of D. tomentosa ...... /> 
— Peduncles (and stem) glabrous . ... 6* 
5. Silicules oval, ciliate with simple hairs. Stem covered 
thickly with stellate hairs. Ls tomentose with stellate hairs. 
FIs fairly large.—b. nivea Saut. Cal. dark green. FIs larger, 
yellowish white when dried. Ls less tomentose; peduncles 
often glabr. (Graub.)—Calc. Alp. 7 tomentosa Wahl. 198. 
— Silicules oblong, glabr. Stem sparsely sprinkled with 
branched hairs. FIs rather smaller than in the last.— 
Alp. 7.frigida Saut. 199. 
6 . Style distinct, about twice as long as broad. FIs 3V2—4 mm 
long. D.frigida (or tomentosa?).—Johannis?—Alp.; Avers, 
Bernardin, Suleck, Rawyl and the valley of Saas. 7 
Traunsteineri Hopp. 200. 
— Style very short or almost 0. FIs 2 mm long . 7 
7 
