WOOTON AND STANDLEY—FLORA OF NEW MEXICO, 465 
7. SPHAEROSTIGMA Fisch. & Mey. 
Small annual with the general appearance of Epilobium, but the seeds naked 
and the capsule sessile. 
1. Sphaerostigma chamaenerioides (A. Gray) Small, Bull. Torrey Club 23: 189. 
1896. 
Oenothera chamaenerioides A. Gray, Pl. Wright. 2: 58. 1853. 
Tyre Locauity: “Stony hills along the Rio Grande near El Paso.” 
Rance: Utah to Texas and southern California. 
New Mexico: Bishops Cap (Wooton). Lower Sonoran Zone. 
8. GALPINSIA Britton. 
Low perennials, more or less woody at the base, usually cespitose, 30 cm. high 
or less, with mostly small crowded leaves and large showy yellow flowers; hypan- 
thium prolonged beyond the ovary, dilated upward; sepals green in bud, becoming 
yellowish and blotched with red in anthesis; petals broad, bright yellow, turning 
red on drying; stigma discoid, entire; capsules elongated, narrowed at the base, 
somewhat curved. 
KEY TO THE SPECIES. 
Free portion of the hypanthium 9 to 13 mm. long, the lower 
part very slender, plants low and spreading, densely 
glandular. ...........-222-.-------2--2----------------- 1. G. tubicula, 
Free portion of the hypanthium more than 30 mm. long, the 
lower part relatively stout; plants erect or spreading, 
with or without glandular pubescence, 
Capsules with spreading pubescence. 
Corolla 35 mm. long. .........-.---- wee eee ee eeenee 2. G. lampsana. 
Corolla 12 to 18 mm. long...............0..0.2.-2005. 3. G. camporum. 
Capsules with appressed pubescence or merely glandular. 
Leaves densely grayish-strigose; plants low and tufted. 4. G. lavandulaefolia. 
Leaves merely glandular-pubescent to glabrous; plants 
taller and usually not tufted. 
Free tips of the calyx lobes 3.5 to 4 mm. long; 
stems wiry, erect........-..22.------------ 5. G. toumeyt. 
Free tips of the calyx lobes 2.5 mm. long or less; 
stems stouter, lower, more or less spreading. 
Leaves glabrous or nearly so, linear-oblong; 
petals 25 to 30 mm. long...............- 6. G. fendleri, 
Leaves pubescent or glandular, linear or fili- 
form; petals less than 20 mm. long. 
Leaves puberulent, linear; petals 15 to 20 
mm, long.......---------+-+-+-+- 7. G. hartwegi. 
Leaves densely glandular, nearly filiform; 
petals 12 to 15 mm. long........... 8. G. filifolia. 
1. Galpinsia tubicula (A. Gray) Small, Bull. Torrey Club 23: 186. 1896. 
Oenothera tubicula A. Gray, Pl. Wright. 1: 71. 1852. 
Type LocALiTy: Prairies beyond the Pecos, western Texas. 
Rance: Western Texas and southeastern New Mexico. 
New Mexico: Hondo Hill (Wooton), Dry hills, in the Upper Sonoran Zone. 
52576°—15——30 
