CARDAMINE UNI JUGA n. sp Stem from a very slender rootstock, slender, glabrous, simple, strict, 2-3 dm. high ; basal leaves simple, about cm. in diame ter, broadly cordate or reniform in outline, round-sinuately 3 lobed ; lower stem leaves with a pair of oblong leaflets below the terminal one, which resembles the basal leaves or is a little more rhomboid in outline ; upper leaves similar but with all the leaflets oblong; raceme slender and narrow ; flowers about 2 mm. in length, white ; sepals ovate, obtuse ; fruiting pedicels about i dm.
long, nearly erect ; silique erect, 15-18 mm. long and about 1 mm. wide, with a short thick style and 8-12 seeds. Plate 304.) The inflorescence and the silique much resemble those of C olzgosperma, but the plant is more slender and simple and the leaves in all specimens seen have only one pair of leaflets and the basal ones are simple, while in C. oligosperma the basal and lower stem leaves have 3-5 pairs. Spanish Basin, July 18,1896, Flod man, no. 494.