156 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
yellow turning purplish; capsules 30 to 40 mm. long, columnar, obtusely angled, 
sparingly hirsute. 
Type in the U. 8. National Herbarium, no. 241248, collected in the Organ 
Mountains, August 29, 1894, by E. O. Wooton. 
ADDITIONAL SPECIMENS EXAMINED: Organ Mountains, alt. 1,860 meters, July 
8, 1897, Wooton 114; Organ Mountains, 1881, Vasey; Van Pattens, June 11, 
1906, Standley; Van Pattens, September 10, 1899, Wooton; Dripping Springs, 
August, 1898, Cockereil. 
A beautiful plant with larger flowers than any other species of the genus. 
It occurs in the Organs in deep, rocky canyons, principally about the edges of 
pools. It has been called O. jamesii, but that species has much smaller flowers 
and abundant, appressed pubescence. 
Oenothera procera Wooton & Standley, sp. nov. 
A slender biennial or perennial, 40 to 100 cm. high; stems simple, sparingly 
and loosely hirsute, also with a few inconspicuous, appressed, curled hairs; 
basal leaves not seen, the cauline ones elliptic-lanceolate or mostly oblanceolate, 
8 to 10 ecm. long, 15 mm. wide or less, acute, narrowed at the base to a slender 
petiole, bright green, thin, entire or faintly repand-denticulate, sparingly 
appressed-pubescent on both surfaces; leaves of the inflorescence considerably 
reduced; racemes short, few-flowered; calyx tube slender, about 25 mm. long, 
loosely pubescent or nearly glabrous; sepals distinct in anthesis, 15 mm. long; 
petals 12 to 14 mm. long, golden yellow fading purplish; pistil not exserted; 
capsule 20 to 25 mm, long, obtusely angled, 3 to 4 mm. thick, sparingly hirsute. 
Type in the U. S. National Herbarium, no. 498579, collected along Winsor 
Creek in the Pecos River National Forest, July 5, 1908, by Paul C. Standley 
(no. 4212). Altitude 2,550 meters. 
ADDITIONAL SPECIMENS EXAMINED: Mouth of Mora River, alt. 2,460 meters, 
July 7, 1908, Standley 4246; Fendler 218; West Fork of the Gila, alt. 2,250 
meters, August 4, 1908, Metcalfe 379; Ruidoso Creek, August 20, 1897, Wooton; 
James Canyon, August 11, 1899, Wooton; Beulah, August, 1899, Cockerell; 
tilmores Ranch, alt. 2,220 meters, August 25, 1907, Wooton & Standley; Pajarito 
Park, August, 1908, Bartlett; Upper Pecos River, 1898, Maltby & Coghill 75; 
Gilmores Ranch, July 14, 1895, Wooton; White Mountain Peak, July 6, 1895, 
Wooton; Harveys Upper Ranch, alt. 2,880 meters, 1908, Standley 4672; Santa 
Fe, 1908, Standley 4523. 
A common plant in the mountains in the Transition Zone. It grows usually 
on moist open slopes, but sometimes along streams. Seldom or never does it 
exceed a meter in height, and the stems ..are invariably. simple. The type 
collection was distributed as O. strigosa Rydb., but that is a plant with much 
larger flowers and different pubescence. Part of the specimens referred to 
Onagra strigosa by Doctor Rydberg in the Flora of Colorado belong here. 
Pachylophus australis Wooton & Standley, sp. nov. 
Acaulescent, cespitose; leaves on short, rather slender petioles, the blades 10 
to 14 em. long, narrowly oblanceolate, abruptly acute, remotely denticulate near 
the apex, toward the base pinnatifid into distant, triangular segments, finely 
cinereous on both surfaces, green; hypanthium tube 14 cm. long, about 12 mm. 
wide in the throat, minutely cinereous; sepals nearly linear, cinereous; petals 
white, obovate, 5 ecm. long; mature capsules not seen, the ovaries densely 
appressed-pubescent. 
Type in the U. S. National Herbarium, no. 690245, collected on the South 
Fork of Tularosa Creek, July 31, 1897, by E. O. Wooton. 
Related to P. montanus (Nutt.) A. Nels., but with much larger flowers and a 
long hypanthium tube. 
