191 
Sphaerostigma bistortum Walp. Repert. 2: 77. 1843. 
OLnothera cheiranthifolia A. Gray. Ives, Rep. 12. 18. 
Southern California. oo 
12. SPHAEROSTIGMA VEITCHIANUM (Hook). 
OLEnothera bistorta (?) var. Veitchiana Hook. Bot. Mag. fl. 5078. , 
OLnothera gracilifiora Torr. Pacif. R. R. Rep. 4: 87. 1857. 
Southern California to Lower California. 
13. SPHAEROSTIGMA DECoRTICANS (H. & A.). 
Gaura decorticans H. & A. Bot. Beech. Voy. 343. 1840. 
OLnothera gauraeflora T. &. G. Fl. N. A.1: 510. 1840. 
Sphaerostigma gauraeforum Walp. Repert. 2: 78. 1843. 
OLEnothera Nevadensis Kellogg, Proc. Calif. Acad. 2: 224. p/. 70. 
1863. 
Southern Utah to Arizona and California; ascends to 2100 
meters in California. : 
14. SPHAEROSTIGMA Boortuti (Dougl.) Walp. 
OLnothera Boothii Dougl.; Lehm. in Hook. Fl. Bor. Am. r: 
213. 1833. 
Oknothera pygmaea Dougl.; Lehm. in Hook. Fl. Bor. Am. 1: 
213. 1833. 
OLnothera lithospermoides Nutt.; S. Wats. Proc. Am. Acad. 8: 
604. 1873. 
Sphacrostigma Boothii Walp. Repert.2: 77. 1843. 
Washington to California and Nevada; occurs at about 1000- 
II100 meters in Nevada. 
15. SPHAEROSTIGMA UTAHENSE 0. sp. 
Annual, low, pale-green, villous. Stem erect, 2-10 cm. tall, 
simple or branched at the base or above, the branches ascending; 
leaves varying from spatulate to ovate, 1-2.5 cm. long, densely — 
villous, obtuse or acutish, entire or obscurely toothed, narrowed 
into slender petioles; flowers yellow, 8-12 mm. broad, in loose | 
_ terminal spikes; buds ovoid,5 mm. long; calyx-tube very slender, — 
7~9 mm. long, shorter than the ovary, abruptly dilated at the 
throat ; calyx-segments ovate or lanceolate, nearly twice shorter — 
than the tube, involute, acutish; petals obovate, 3-5 mm. long, _ : 
_ delicately nerved, crisped at the apex; style slender, exceeding — 
4 
