"amm DRUSI Ment 
1921] 
PAYSON—MONOGRAPH OF THE GENUS LESQUERELLA 179 
L. Macounii Greene, Pittonia 4: 310. 1901; Rydb. Fl. Rocky 
Mountains, 333. 1917. 
L. rosea Greene, Pittonia 4: 311. 1901; Rydb. Fl. Rocky 
Mountains, 333. 1917. 
L. Lunellii Nelson, Bot. Gaz. 42: 49. 1906. 
L. Lunellii var. lutea Nelson, Bot. Gaz. 54: 149. 1912. 
Perennial, stellate pubescent throughout, rays long, usually 
forked near base, irregular; stems slender, decumbent, occa- 
sionally branching, .5-2.5 dm. long, terminal bud remaining 
undeveloped; radical leaves usually rather thin, 1-6 cm. long, 
blade narrowly oblanceolate to oval, entire or remotely dentate, 
usually narrowed into a slender peti- 
ole; cauline leaves linear to oblance- 
olate, entire, .5-4 cm. long; petals 
narrow, about 7 mm. long, yellow or 
variously tinged with red or purple; 4 
stamens filiform; fruiting inflores- 4L. 
cence elongated ; pedicels slender, re- ` 
curved or horizontal, 1 cm. or less 
long; pods globose or slightly elon- 
gated, pendent or nearly horizontal, 
sessile, stellate-pubescent, about 3 
mm. in diameter; styles slender, 3-5 
mm. long; septum thin, nerved, ar- 
eolae somewhat tortuous; ovules 4-7 
in each cell, funiculi attached to sep- 
tum for about half their lengths; 
seeds. small, not margined. E gc B Habit sketch 
Distribution: southern Manitoba, " 4 ai 
Saskatchewan and Alberta, North eer South Dakota, and prob- 
ably eastern Montana. 
Specimens examined: 
Manitoba: Stony Mountain, June 4, 1896, Macoun 12401 
(U. S. Nat. Herb.). 
Saskatchewan: bluffs, Moose Jaw, June 22, 1907, Cowles 62 
(Mo. Bot. Gard. Herb.). 
ks Alberta: Medicine Hat, June 1, 1894, Macoun (U. S. Nat. 
Herb.); dry hills, Elbow River Valley, vieinity of Calgary, 
April 25, 1915, Moodie 810 (U. S. Nat. Herb.). 
