193 
Plants villous; blade of leaf closely toothed. 3. C. heterochroma. 
Plants hirsute ; blade of leaf distantly toothed. 4. C. Parryi.. 
Leaves compound, 5. C. multijuga. 
Plants scapose, 
Tips of the calyx-segments not free. 6. C. scapotdea, 
Tips of the calyx-segments free. 7. C. brevipes. 
. CHYLISMA PTEROSPERMA (S. Wats.). 
hee plerosperma S. Wats. Bot. King, Bep, Sic lik) Pe 
1¥. 187%. 
Northwestern Nevada and Utah; occurs at about 1280 meters 
in Nevada. 
2. CHYLISMA CARDIOPHYLLA (Torr.). 
OLnothera cardiophylla Torr. Pacif. R. R. Rep. 5: 360. 1856. 
Southern California to Arizona and Lower California; ascends 
to 700 meters in California. 
3. CHYLISMA HETEROCHROMA (S. Wats.). 
OLnothera heterochroma S. Wats. Proc. Am. Acad. 17: 373. 
1882. 
Western Nevada. 
4. CuyLIsMA Parry! (S. Wats.). 
OLnothera Parryi §, Wats. Parry, Am. Nat. 9: 20. 1877. 
Southern Utah and northern Arizona. 
5. CHYLISMA MULTIJUGA (S. Wats.). 
OLnothera multijuga S. Wats. Proc. Am. Acad. 8: 595. 1873. 
Southern Utah. 
6. CHYLISMA SCAPOIDEA (Nutt.). 
OEnothera scapoidea Nutt; T. & G. Fl. N. A. 1: 506. 1840. 
Wyoming and Idaho to Utah and southern California; occurs 
at about 1280 meters in Utah. 
6a. CHYLISMA SCAPOIDEA CRUCIFORMIS (Kellogg’. 
OEnothera clavaeformis T. & G. Pacif. R. R. Rep. 2: 121. 1856. 
OEnothera cruciformis Kellogg, Proc. Cal. Acad. 2: 227. 1893, 
OEnothera scapoidea var. clavaeformis §. Wats. Bot. King’s Rep. _ 
5: 109. 1871. : 
OEnothera scapoidea var. purpurascens S. Wats. Proc. 0s 
Acad, 8: 595, 1873. . 
