212 PITTONIA. 
A.MONTICOLA. Oxytropis monticola, Gray, Proc. Am. Acad. 
xx. 6 (1884). Rocky Mountains of Wyoming, thence north- 
ward into British America. 
A. LAMBERTI. Ozytropis Lamberti, Pursh, Fl. ii. 740 (1814); 
Bot. Reg.t. 1054. Common over a great extent of the Rocky 
Mountain country north and south. Legumes small, for the 
plant, and subterete. 
A.SERICEUS. Ozxytropis sericea, Nutt. in T. & G. Fl. i. 339 
(1838). Rocky Mountains of Colorado and Wyoming. Le- 
gumes larger than in the last, and perceptibly obcompressed. 
A. BicELovit Oxytropis Lamberti, var. Bigelovii, Gray, 
Proc. Am. Acad. xx. 7 (1884). Plains of southeastern Colo- 
rado and adjacent New Mexico. Differs from all the fore- 
going by green and glabrate herbage, and thin distinctly 
stipitate pods. 
A. LacoPus. Oxytropis Lagopus, Nutt. in T. & G. Fl. i. 
340 (1838). Beautiful dwarf tufted or matted species of the 
.high plains of Wyoming and Montana. 
A. NANUS. Oxytropis nana, Nutt.l.c. Habitat of the last. 
A. Bett. Spiesia Bellii, Britton, Can. Rec. Science, 148 
(1894). A beautifully distinct and somewhat recently dis- 
covered species of the Hudson Bay region. 
New or Notewortuy SPrecirEs.—XIX. 
HEDYSARUM CARNOSULUM. Stem low and flexuous, scarcely 
longer tbat the fruiting raceme, the whole plant barely a foot 
high: leaves short-petioled, the leaflets 9 to 11, pubescent be- 
neath, glabrous above, pale green, somewhat succulent, with 
faint midnerve and no veins, those of the lowest leaves el- 
liptic, of the upper linear-oblong, all acute: long racemes of 
