1921] 
PAYSON—MONOGRAPH OF THE GENUS LESQUERELLA 193 
apparently able to survive in a more truly desert region than 
any other member of the genus. The plants complete their 
growth and mature their seeds very early in the season. 
29. L. pinetorum Wooton & Standley, Contr. U. S. Nat. Herb. 
16: 126. 1913; Wooton & Standley, Contr. U. S. Nat. Herb. 
19: 276. 1915. 
Perennial, densely stellate throughout, stellae rather small, 
rays numerous, branched, distinct or somewhat coherent, gran- 
ular; stems decumbent or erect, 1-2.5 dm. long, simple; terminal 
bud usually developing a short fertile stem; radical leaves ob- 
lanceolate, spatulate or nearly oval, entire or irregularly den- 
ticulate, 2-6 cm. long, narrowed to 
a slender petiole; cauline leaves spat- 
ulate to oblanceolate, usually obtuse, 
entire or denticulate, 1—4 cm. long; 
petals yellow, narrowly spatulate, 7— 
10 mm. long; filaments linear; fruit- 
ing inflorescence elongated; pedicels 
distinetly sigmoid, 8-10 mm. long; 
pods usually erect, glabrous, sessile, 
globose, 3-5 mm. in diameter; styles 
3-5 mm. long; septum nerved, are-  ,. i . 
olae not tortuous; ovules 5-7 in each Hore boy Pag uaan y at 
cell, funiculi attached to septum for 
less than one-half their lengths; seeds large, flat, not winged. 
Distribution: central New Mexico. 
Specimens examined: 
New Mexico: Sandia Mountains, June, 1898, Herriek 204 
(U. S. Nat. Herb.); dry ridges, Balsam Park, Sandia Mountains, 
April 7, 1911, Ellis 7 (U. S. Nat. Herb. and Mo. Bot. Gard. 
Herb.); San Mateo Mountains, March 27, 1895, Herrick 531 
(U. S. Nat. Herb.); Kingston, Sierra County, May 2, 1905, 
Metcalfe 1534 (Mo. Bot. Gard. Herb.); White Mountain Peak, 
Aug. 16, 1897, Wooton (U. S. Nat. Herb.); vicinity of Gilmore's 
Ranch, on Eagle Creek, Lincoln County, July 29, 1901, Wooton 
(U. S. Nat. Herb.); White Mountains, Lincoln County, Aug. 
25, 1907, Wooton & Standley 3460 (U. S. Nat. Herb., TYPE). 
To L. pinetorum is referred a somewhat heterogeneous group 
