WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 267 
2. Stanleya albescens Jones, Zoe 2: 17. 1891. 
Type Loca.ity: ‘‘On the Moencoppa,”’ Arizona. 
RANGE: Western Colorado and northwestern New Mexico to Arizona. 
New Mexico: Northwestern corner of the State (Palmer). Upper Sonoran Zone. 
3. STANLEYELLA Rydb. 
A tall branched biennial; leaves thin, the lower lyrately pinnatifid, the upper entire; 
sepals thin, petaloid, white, oblong or linear, spreading or reflexed in anthesis; petals 
white, with spatulate blades tapering into short claws; pods slender, terete, with 
short stipes and styles; stigmas truncate or nearly so. 
1. Stanleyella wrightii (A. Gray) Rydb. Bull. Torrey Club 34: 435. 1907. 
Thelypodium wrightit A. Gray, Pl. Wright. 1: 7. 1852. 
Type Loca.itry: Pass of the Limpio, western Texas. 
RanaeE: Colorado and Utah to New Mexico and Arizona. 
New Mexico: Dulce; Hurrah Creek; Magdalena Mountains; Mogollon Mountains; 
Organ Mountains; White Mountains; Gray; Raton. Hillsides, in the Transition Zone. 
4. HESPERIDANTHUS (Robinson) Rydb. 
Erect slender glabrous perennial herb with glaucous foliage, the stems corymbosely 
branched above; basal leaves obovate, toothed, the cauline ones linear, entire; sepals 
firm, erect, the outer strongly saccate at the base, purple; petals purple, with obovate 
blades; stigma conic or ovate, neither truncate nor bilobate; pods terete, linear, short- 
stipitate. 
1. Hesperidanthus linearifolius (A. Gray) Rydb. Bull. Torrey Club 34: 434. 1907. 
Streptanthus linearifolius A. Gray, Mem. Amer. Acad. n. ser. 4: 7. 1849. 
Thelypodium linearifolium 8. Wats. in King, Geol. Expl. 40th Par. 5: 25. 1871. 
Type Locatity: Mountainous regions from Santa Fe to Las Vegas, New Mexico. 
Type collected by Fendler (no. 24). 
RanGE: Colorado to northern Mexico. 
New Mexico: Gallup; Santa Fe and Las Vegas mountains; Sierra Grande; Gallinas 
Mountains; Raton; Mogollon Mountains; Burro Mountains; Black Range; San Luis 
Mountains; Tortugas Mountain; Organ Mountains; White and Sacramento mountains; 
Guadalupe Mountains. Canyons and thickets, in the Transition Zone. 
5. PLEUROPHRAGMA Rydb. 
Glabrous biennials with paniculate inflorescence; leaves thick, entire, the basal 
oblanceolate, the cauline linear-lanceolate, sessile; sepals ascending, thin, somewhat 
petaloid; petals white, on slender claws; pods slender, terete, torulose, tapering to a 
short stipe below and to a slender style above; stigma entire; septum with a strong rib. 
KEY TO THE SPECIES. 
Stipes about 1 mm. long; inflorescence short..........--.---+---- 1. P. integrifolium. 
Stipes 2 to 3 mm. long; inflorescence elongated.......--..------- 2. P. gracilipes. 
1. Pleurophragma integrifolium (Nutt.) Rydb. Bull. Torrey Club 34: 433. 1907. 
Pachypodium integrifolium Nutt.; Torr. & Gray, Fl. N. Amer. 1: 96. 1838. 
Thelypodium integrifolium Endl.; Walp. Repert. Bot. 1: 172. 1842. 
TypE Loca.ity: ‘‘Elevated plains of the Rocky Mountains, toward the Oregon, as 
far as Wallahwallah.”’ 
Ranae: Nebraska and Washington to California and New Mexico. 
New Mexico: Farmington (Wooton 2783, Standley 7158). Damp ground, in the 
Upper Sonoran Zone. 
