NEW OR NOTEWORTHY SPECIES. 93 
petioled, the petioles abruptly dilated at base and quite 
sheathing the stem, the blade divided and subdivided into 
linear-oblong segments, or the upper cauline simply divided 
into 5 to 7 long linear segments: raceme long and loose: 
flowers sparsely villous externally; sepals rather narrowly 
and spatulately oblong; quite surpassed by the rather 
slender slightly curved spur; limb of the bifid lower petal 
rounded in outline, villous-ciliate and with a dense tuft of 
white hairs in the middle, otherwise glabrous: follicles 
appressed-pubescent, gradually divergent from near the 
base: seeds wing-angled above, the wings around the sum- 
mit of the seed confluent into a saucer-shaped concavity. 
Common in the Rocky Mountain region of middle Colo- 
rado and southern Wyoming; hitherto confused with the 
extremely different D. bicolor, Nutt. Probably all which 
Mr. Nelson has collected, and called “D. bicolor" in his re- 
cently published list of the plants of Wyoming must be re- 
ferred to this. The bicolor of Gray is still no doubt an 
aggregate, even with this taken out; but further segrega- 
tion cannot well be made so long as the roots and seeds of 
several of the forms of farther northwestern districts are 
neglected by collectors. 
DELPHINIUM DIVERSIFoLIUM. Stem solitary, slender, 1 to 2- 
feet high, from a grumous root: lowest leaves semiorbicular, 
or at least with an extremely broad and open sinus, the 5 
primary divisions cut into oblong obtuse callous-mucronate 
lobes, the whole perfectly glabrous and somewhat fleshy ; 
middle cauline leaves flabelliform, larger than the lowest, 
deeply cut into entire or tridentate segments: slender raceme 
on a long naked peduncle, 6-15-flowered, the rachis and 
pedicels puberulent: sepals oblong, rather small, much ex- 
ceeded by the long slender straight ascending sparsely vil- 
lous spur: follicles erect, slender, appressed-pubescent : seeds 
smooth, but with prominent thickish and turgid scarious 
angles, | 
