CRUCIFERA. 205 
commences insensibly, to the apex; style equal to or exceeding the 
apical lobes of the wing. Seeds 4 to 8 in each cell of the pod, oval, 
slightly compressed, without concentric ridges, 
Alpine Shepherd’s Purse, Cornfield Penny Cress. 
French, Zabouret des Alpes. German, Alpen Pfennighraut. 
Sus-Srecres I—Thlaspi sylvestre. Jord. 
Puate CXLVI.* 
T. alpestre, Reich. Ic. Fl. Germ. et Helv. Vol. II. Zetr. Tab. V. Fig. 4184. 
T. sylvestre, Jord. Obs. Pl. Nouv. Frag. III. p. 9. Boreau, Fl. du Centre de la Fr. ed. iii. 
Vol. II. p. 60. 
T. alpestre, var. a, Bab. Man. Brit. Bot. ed. v. p. 31; and Bot. Gazette, Vol. I. p. 4. 
Hook. & Arn. Brit. Fl. ed. viii. p. 32. 
T. alpestre, Gr. & Godr. Fl. de Fr. Vol. I. p. 145. 
Raceme when the fruit is mature longer than the rest of the 
stem ; style about as long as the projecting apical lobes of the broad 
wing, which are separated by a shallow triangular sinus. 
On rocks in-a wood near Winch Bridge, Teesdale, and by 
the banks of the Allen, Thornhaugh, Northumberland; and also 
in Scotland, in Glen Isla, Clova. 
England, Scotland. Biennial or Perennial. Early Summer. 
Rootstock present only in perennial examples. Stems 6 to 15 
inches high, unbranched except at the very base. Radical leaves 
in a rosette, spatulate, abruptly contracted into a footstalk; stem 
leaves sessile, amplexicaul, ovate or oblong-lanceolate, the base 
with 2 slightly acute auricles; the margins of all entire or slightly 
toothed. Flowers sub-corymbose, white, often tinged with lilac, 
# inch across. Sepals greenish, bordered with white. Petals nar- 
rowly oblanceolate, rounded at the apex, rather more than twice 
as long as the sepals. Anthers dark violet. Fruiting raceme 
from 2 to 11 inches long. Pedicels spreading horizontally, $ to + 
inch long. Pods slightly convex above, very convex below, about 
+ inch long by # inch broad, including the wing; exclusive of 
the wing, the shape of the pod is oval-elliptical, narrowed at the 
base; wing with a very indistinct marginal nerve. Seeds reddish 
brown, finely punctured. Whole plant glabrous and glaucous. 
Short-styled Alpine Penny Cress. 
* Drawn from a Teesdale specimen by Mr. J. E. Sowerby. 
