CRUCIFERAE. (Vor. II. 
7. Cardamine Clematitis Shuttlw. 
Mountain Bitter-cress. (Fig. 1730.) 
Cardamine Clematitis Shuttlw.; S. Wats. Bibl. In- 
dex, 1:53. 1878. 
Glabrous, dark green, somewhat succulent, 
stem weak, ascending or erect, slender, 5/-15’ 
long. Leaves remarkably various, some of them 
of a single orbicular or reniform, deeply cordate, 
entire or undulate terminal segment, some of 
them with two additional ovate oblong or r6unded 
lateral segments, the uppermost occasionally 
linear-oblong and entire; flowers in short ra- 
cemes, white, 3//-4/’ wide; pedicels ascending, 
3//-6’’ long; pods ascending or divergent, 1/1 4’ 
long, less than 1’ wide; style 1/’-2’’ long, subu- 
late. 
if, 
\i Wy ‘ 
iW / 4 
In wet woods, high mountains of southwestern 
Virginia and North Carolina to Alabama. May-July. 
8. Cardamine bellidifolia L. Alpine Cress. 
(Fig. 1731.) 
Cardamine bellidifolia I,. Sp. Pl. 654. 1753. 
Tufted, glabrous, 2’-5’ high, with fibrous roots. Lower 
eaves long-petioled, ovate, obtuse, the blade 4’/-6’” long, 
3//-4’’ broad, abruptly contracted into the petiole, entire, or 
with a few rounded teeth; upper leaves similar, shorter-pe- 
tioled; flowers 1-5, white; petals about twice the length of 
the calyx; pods erect, linear, 1/ long, 1’ wide, narrowed at 
each end; pedicels 1/’-3/ long; style stout, less than 1’’ long. 
Alpine summits of the White Mountains, N. H.; Mt. Katahdin, 
Me.; Greenland and arctic America; the Canadian Rocky Moun- 
tains; California. Alsoin Europe. July. 
g. Cardamine purptrea (Torr.) Brit- 
ton. Purple Cress. (Fig. 1732.) 
Arabis rhomboidea vat. purpurea Torr. Am. 
Journ. Sci. 4:66. 1822. 
Arabis Douglassit Torr.; T. & G. Fl. N. A. 1: 83. 
Assynonym. 1838. 
Cardamine Dougilassii Britton, Trans. N. Y. Acad. 
Sci. 9:8. 1889 
Glabrous, generally slender, 6/—15’ high from 
tuberiferous rootstocks. Basal leaves slender- 
petioled, about 1’ broad, ovate or orbicular, 
cordate, thickish; lower stem-leaves similar, 
but shorter-petioled, the upper sessile, dentate 
or entire; pedicels 4’/-12’’ long; flowers pur- 
ple, showy, 5’’-10’’ broad; pods nearly erect, 
1’ long, 1’’ broad, pointed at each end; pedicels 
4//-12’’ long; style 2’” long. 
In cold, springy places, Quebec and arctic 
America to the Canadian Rocky Mountains, south 
to Maryland and Wisconsin. Blooming two or 
three weeks earlier than the next, and more 
abundant northward. April-May. 
