246 
macus, neither does Brown’s description, especially that of the 
flower, agree with that species. Flodman, no. 469. 
RanuncuLus SuxsporFu Gray, Proc. Am. Acad. 21: 371. 
The range of this species is much extended eastward by its 
discovery on the Spanish Peaks at an altitude of 8000 ft., July 14, 
1896, Flodman, no. 471. 
’ RANUNCULUS SUBAFFINIS (Gray). 
R. Arizonicus subaffinis Gray, Proc. Am. Acad. 21: 370. 1886. 
R. subsagittatus subaffinis Greene, Pittonia, 2: 110. 1890. 
The author agrees fully with Prof. Greene that both the varie- 
ties of R. Arizonicus ought to be removed from that species, but is 
inclined to believe that suésaffinis is specifically distinct from 
subsagittatus. I have seen Prof. Greene's specimens from the San 
Francisco Mountains, as well as others collected by Dr. Mearns and 
by Mr. Wooton in the same region; Flodman’s no. 472, from the 
Bridger Mountains, July 28, 1896, agrees in every respect with them. 
’ CARDAMINE UNIJUGA n. sp. 
Stem from a very slender rootstock, slender, glabrous, simple, 
Strict, 2~3 dm. high; basal leaves simple, about %4 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 1 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- 
oligosperma, 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. 
CaARDAMINE Leteerait Holz. Cont. U.S. Nat. Herb. 3: 212. 1895- 
This species was rediscovered by myself in 1895, but only a 
few specimens were preserved. It was growing in canons at two 
