CRUCIFERAE. 



Vol. II. 



I. Cardamine pratensis L. Meadow Bitter- 

 cress. Cuckoo-flower or -spit. Fig. 2083. 



Cardamine pratensis L. Sp. PI. 656. 1753. 



Perennial by a short rootstock, glabrous, stem 

 erect or ascending, nearly simple, 8'-2o' high. Leaves 

 pinnately divided, lanceolate or oblong in outline, the 

 lower petioled, the upper sessile; divisions 3-7 pairs 

 and an odd one, dentate or entire, those of the basal 

 leaves larger and broader than those of the stem ; 

 flowers showy, white or rose, 6"-9" broad; petals 

 three times the length of the calyx; pedicels slender, 

 4"-6" long in fruit; pods 8"-i5" long, i" wide; style 

 less than i" long, thick. 



In wet meadows and swamps, Labrador to northern 

 New Jersey, west to the Pacific coast of British America 

 and Minnesota. Also in Europe and northern Asia. 

 April-May. Ladies'-smock or smick-smock. Milk-maid. 

 Spink. May-flower. 



2. Cardamine hirsiita L. Hairy Bitter- 

 cress. Fig. 2084. 



Cardamine hirsuta L. Sp. PI. 655. 1753. 



Annual or biennial, stem erect, usually little 

 branched, slender, 4-10' tall. Leaves nearly all 

 basal and forming a rosette, more or less pubes- 

 cent, l'-4' long, the terminal segment orbicular or 

 broader than long, entire or few-toothed, 3"-io" 

 broad, the lateral ones 2-5 pairs, usually smaller 

 and narrower; stem-leaves few and mostly borne 

 near the base, their segments linear, or linear- 

 oblong; flowers 2" broad, white; pods linear, 

 about i' long and i" wide, strictly erect on ascend- 

 ing pedicels 2"-4" long when mature ; style almost 

 none. 



In moist places and waste grounds, Pennsylvania 

 to Michigan, Nebraska and North Carolina. Doubt- 

 fully native of America. Widely distributed in Eu- 

 rope and Asia. Touch-me-not. Land-cress. Lamb's- 

 cress. March-May. 



3. Cardamine pennsylvanica Muhl. Pennsyl- 

 vania Bitter-cress. Fig. 2085. 



Cardamine pennsylvanica Muhl. ; Willd. Sp. PI. 3 : 486. 



1800. 

 Cardamine pennsvlvanica Brittoniana Farwell, Asa Gra/ 



Bull. 6: 46. 1894. 



Annual, or perhaps sometimes biennial, 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 racemes. Basal leaves 2'-6' 

 long, the terminal segment obovate, oval or subor- 

 bicular, usually narrowed at the base, 3"-io" 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"-ls" long, less than i" 

 wide, erect ascending or divergent, on ascending or 

 divergent pedicels 2"-3" long; style about i" long. 



In swamps and wet places, Newfoundland to Minnesota, 

 Montana, Florida, Tennessee and Kansas. April-June. 

 The plant described and figured as Cardamine flexuosa 

 With., in our first edition, appears to be not specifically dis- 

 tinct from this. 



