WOOTON AND STANDLEY—NEW PLANTS FROM NEW MEXICO. 117 
rich reddish brown, glabrous scales; leaves green (not bluish green) and 
glabrate above, paler beneath and velvety-pubescent with yellowish, stellate 
hairs, oblong, elliptic, or obovate in outline, acute or obtuse, sinuate-dentate 
with 2 to 4 coarse, lobe-like teeth on each side, 4 to 7 em. long, 2 to 3 cm. wide; 
petioles 1 cm. long or less; teeth mostly mucronate, not spinulose; acorns small, 
10 to 18 mm. long, ellipsoidal, acute, the cup hemispheric, 10 to 12 mm. in 
diameter, the reddish brown scales little or not at all thickened at the base. 
Type in the U. 8S. National Herbarium, no. 690255, collected at Glorieta, 
August 24, 1910, by EK. O. Wooton. Transition Zone. 
Another specimen of what seems to be the same is from Oak Canyon near 
Folsom, collected in 1903 by A. H. Howell (no. 178), in leaf only. 
There would seem to be enough species of Rocky Mountain oaks already 
described, especially of the type of Q. undulata, which is at best of doubtful 
standing. Assuming that Q. undulata is a species with bluish green, persistent 
leaves, the species here described resembles it in nearly all particulars except 
that its leaves are bright chlorophyll green and probably deciduous. This 
would make it intermediate between the two groups of the region—the blue 
green leaved species, which it resembles in habit and shape of leaf, and the 
green-leaved species, which it resembles in color and texture of leaves and 
time of dropping its leaves. It might be a hybrid, but the plant was very 
common about Glorieta, forming numerous clumps of bushes a rod or so in 
diameter, and Mr. Howell’s plant is almost a perfect match from a similar 
region farther east. 
ARISTOLOCHIACEAE. 
Aristolochia watsoni Wooton & Standley. 
Aristolochia brevipes acuminata S. Wats. Proc. Amer. Acad. 18: 148. 1883, 
not A. acuminata Tam. 
A not uncommon species of southern Arizona and northern Mexico, which 
barely reaches the southwestern corner of New Mexico. 
POLYGONACEAE. 
Eriogonum ainsliei Standley, sp. nov. 
Perennial, 15 to 25 em. high, from a stout, woody root; stems somewhat cespi- 
tose, well developed, slender, decumbent at the base and leafy, arachnoid- 
pubescent; leaves elliptic or linear-oblong, 3 to 4 em. long, acutish, glabrate 
above, tomentose beneath, extending about half way up the stem, all on petioles 
one-third to one-half the length of the blades, attenuate at the base; inflor- 
escence corymbose, the primary branches subtended by linear-subulate bracts 
3 to 5 mm. long, the other branches furnished with smaller bracts; involucres 
short-pedunculate, 3 mm. long, 5-angled, viscid-tomentulose; perianths white 
tinged with purplish pink, glabrous, the segments obovate; fruit glabrous. 
Type in the U. S. National Herbarium, no. 592284, collected at Cimarron, 
September 20, 1909, by Mr. C. N. Ainslie of the Bureau of Entomology. Addi- 
tional material of the same collection is mounted on two other sheets. 
ADDITIONAL MATERIAL EXAMINED: Cimarron, September 10, 1909, Ainslie; 
Raton Mountains, 1903, Griffiths 5097; Colfax, August 13, 1910, Wooton. 
From the most closely related species, H. nudicaule and EH. tristichum, this 
plant may be distinguished by its pubescent inflorescence and by the acute lobes 
of the involucre, 
