CRUCIFER ZA. 169 
SPECIES V—ARABIS TURRITA. Zinn. 
Puate CXVIII.* 
Reich. Ic. Fl. Germ. et Helv. Vol. IT. Zetr. Tab, XLIV. Fig. 4345. 
Rootstock rather slender, nearly simple, woody, or none. Radical 
leaves on long footstalks, oval or elliptical, attenuated at both 
ends; stem leaves spreading, amplexicaul, oblong or oblong- 
lanceolate, cordate or sub-sagittate at the base; all dentate. Pods 
drooping, curved into an are and twisted on their axis in the basal 
fourth of their length, sub-secund; valves with a dorsal nerve ; 
style short. Seeds cylindrical, in 1 row, oval, much compressed, 
winged all round. 
On old walls, but only an introduced plant. It occurs on walls 
at Cambridge, Oxford, and Cleish Castle, Kinross-shire. 
[England, Scotland]. Biennial or Perennial. Spring. 
Rootstock producing barren rosettes of leaves and flowering 
stems; the latter erect, 1 to 2 feet high, nearly simple. Stem leaves 
much larger than in any of the preceding species, being 13 to 
2 inches long. Flowers very pale yellow, $ inch across. Petals 
oblanceolate, twice as long as the sepals, with the limb slightly 
spreading. Lower pedicels produced from the axils of the leaves ; 
fruit pedicels + to 4 inch long. Pods 4 to 6 inches long by ¢ inch 
broad, with anastomosing veins but no dorsal nerve. Seeds finely 
punctured. Plant green, with a grey or whitish tinge, more or less 
thickly covered with very short stellate pubescence. 
Tower Wall Cress, Tower Turkey Pod, Pendulous-podded 
Wall Cress. 
French, Arabis Tourrette. 
SPECIES VI-ARABIS PERFOLIATA. Lamarck, 
Pruate CXIX.t 
Turritis glabra, Reich. Ic. Fl. Germ. et Helv. Vol. II. Zetr, Tab, XLIV. Fig. 4346, 
Turritis glabra, Zinn. et Auct. Plur. 
Rootstock none. Radical leaves oblanceolate, denticulate, or 
pinnatifid-runcinate, attenuated at the base into a short footstalk ; 
stem leaves applied to the stem and amplexicaul, lanceolate, 
* The Plate is E. B. 178, with a pod added by Mr. J. E. Sowerby. 
+ The Plate is E. B. 777, unaltered, 
Z 
