WOOTON AND STANDLEY—FLORA OF NEW MEXICO. A471 
2. Hartmannia speciosa (Nutt.) Small, Bull. Torrey Club 28: 181. 1896. 
Oenothera speciosa Nutt. Journ. Acad. Phila. 2: 119. 1821. 
Type Locatity: ‘‘On the plains of Red River.” 
RANGE: Missouri and Kansas to New Mexico and Mexico. 
New Mexico: Kingston (Metcalfe 1017). 
14. PACHYLOPHUS Spach. 
Cespitose, almost acaulescent, herbaceous perennials with rosettes of narrowly 
oblanceolate, entire or pinnatifid, acute leaves, and large white flowers with long 
hypanthium tubes; capsules basal, woody, doubly crested on the angles, 
KEY TO THE SPECIES. 
Pubescence fine, short, appressed. .......-.----------------+---- 1. P. australis. 
Pubescence, coarse, long, spreading. 
Hypanthium, calyx, and fruit densely hirsute. 
Plants acaulescent; ridges of the fruit slightly tuberculate. 2. P. hirsutus. 
Plants caulescent; ridges of the fruit with lobed, some- 
what foliaceous crests...........---------------- 3. P. eximius. 
Hypanthium, calyx, and fruit with only a few scattered hairs 
or glabrous. 
Plants caulescent; capsules elongated conic-ovoid, with 
low ridges. ..-....-- 2.20.0 e ee ee eee eee eee eee eee 4. P. caulescens, 
Plants acaulescent; capsules shortly conic-ovoid, with 
very thick ridges. .......---------+++--+-+---+---- 5. P. macroglottis. 
1. Pachylophus australis Woot. & Stand]. Contr. U. 8. Nat. Herb. 16: 156. 1913. 
Type LocALity: On the South Fork of Tularosa Creek, New Mexico. Type col- 
lected by Wooton, July 31, 1897. 
Range: Known only from type locality. 
2. Pachylophus hirsutus Rydb. Bull. Torrey Club 31: 571. 1904. 
Type LOCALITY: Georgetown, Colorado. 
RanaeE: Colorado and Utah to New Mexico. 
New Mexico: Carrizo Mountains; Tunitcha Mountains; Shiprock; west of Santa 
Fe; Santa Fe Canyon; Burro Mountains; White Mountains; Organ Mountains; San 
Luis Mountains. Mountainsand in river valleys, Upper Sonoran and Transition zones. 
3. Pachylophus eximius (A. Gray) Woof, & Standl. Contr. U. 8. Nat. Herb. 16: 
157. 1913. 
Oenothera eximia A. Gray, Mem. Amer. Acad. n. ser. 4: 45. 1849. 
Pachylophus exiguus Rydb. Colo. Agr. Exp. Sta. Bull. 100: 246. 1906. 
Type tocatity: Along Santa Fe Creek, New Mexico. Type collected by Fendler 
(no, 228). 
RanaeE: Colorado and New Mexico. 
New Mexico: Winsor Creek; Santa Fe Creek’ 
4. Pachylophus caulescens Rydb. Bull. Torrey Club 31: 571. 1901. 
Typr Locatity: Palisades, Colorado. 
Rance: Colorado and northern New Mexico. 
New Mexico: Mouth of Holy Ghost Creek (Standley). Mountains, in the Transition 
Zone. 
5. Pachylophus macroglottis Rydb. Bull. Torrey Club 30: 259. 1903. 
Tyre Locauity; Tributaries of Turkey Creek, Colorado. 
RanGeE: Colorado and northern New Mexico. 
New Mexico: Cedar Hill; Chama; Dulce; Tierra Amarilla. Open hills, in the 
Upper Sonoran and Transition zones. 
Meadows, in the Transition Zone. 
