128 CRUCIFERAE. (Vou, II. 
ei QE mS. |. Cardamine praténsis L. Meadow Bit- 
NEN eZ , ter-cress. Cuckoo-flower. (Fig. 1724.) 
y) 
Ki yo Glabrous, erect or ascending, nearly simple, 8/-20’ 
4 QaMWar SZ 
CG cat LS Cardamine pratensis I. Sp. Pl. 656. 1753. 
(J \ oP “a 
N\ \ ! f : es 
= I Ny igh; roo rous, eaves pinnately divided, 
\ 4 high ts fib L p tely divided 
\\ ( lanceolate or oblong in outline, the lower petioled, 
| yn 4 § Pp 
\} Ni) the upper sessile; divisions 3-7 pairs and an odd 
We / one, dentate or entire, those of the basal leaves 
< { / larger and broader than those of the stem; flowers 
0, VE showy, white or purple, 6’/-9’ broad; petals three 
rey 9 ll y= times the length of the calyx; pedicels slender, 4’/— 
oe 2 || é : 6’’ long in fruit; pods 8//-15’’ long, 1’’ wide; style 
(W) Z\\I gy gs less than 1’ long, thick. 
K<iz \ |! POSS 
Wi YY \ \ BSE In wet meadows and swamps, Labrador to northern 
Z\ SW y nas New Jersey, west to the Pacific coast of British America 
“i xd and Minnesota. Also in Europe and northern Asia. 
\ ilk April-May. Called also Ladies’ Smock. 
2. Cardamine hirsuta L. Hairy 
Bitter-cress. (Fig. 1725.) 
Cardamine hirsuta I,. Sp. Pl. 655. 1753- 
More or less pubescent, stem crect, usually 
little branched, slender, 4/-10’ tall. Leaves 
nearly all basal and forming a rosette, 1/-4/ 
long, pinnate, the terminal segment orbicular 
or broader than long, entire or few-toothed, 3//— 
10’’ broad, the lateral ones 2-5 pairs, usually 
smaller and narrower; stem-leaves few and 
mostly borne near the base, their segments lin- 
ear, or linear-oblong; flowers 2’’ broad, white; 
pods linear, about 1’ long and 14’ wide, strictly 
erect on ascending pedicels 2’/-4’’ long when 
mature; style almost none. 
In moist places, Pennsylvania to Michigan and 
North Carolina. Doubtfully native of America. 
Widely distributed in Europe and Asia. March- 
May. 
3. Cardamine Pennsylvanica Muhl. 
Pennsylvania Bitter-cress. 
(Fig. 1726.) 
Cardamine Pennsylvanica Muhl.; Willd. Sp. Pl. 3: 486. 
Goan Pennsylvanica Brittoniana Farwell, Asa 
Gray Bull. 6: 46. 1894. 
Glabrous or rarely with a few scattered hairs, stem 
erect, stout or slender, 8/—3° tall, usually much 
branched, somewhat succulent, leafy up to the ra- 
cemes. Basal leaves 2’-6’ long, the terminal seg- 
ment obovate, oval or suborbicular, usually narrowed 
at the base, 3’’-10’’ wide, the lateral 4-8 pairs oblong, 
oval, or obovate, all toothed, or some of them entire; 
flowers about 2’’ broad, white; pods very narrowly 
linear, 8’’-15’’ long, less than '%4’’ wide, erect when 
mature on ascending or divergent pedicels 2//-3’/ 
long; style about 14’ long. 
In swamps and wet places, Newfoundland to Minne- 
sota, Florida, Tennessee and Missouri. April-June. 
