EVENING PRIMROSE FAMILY 



603 



Field note. — The leaves are quite variable as to degree of segmentation and size of segments. 

 The eight anthers approximate around style and are stellately radiant from it just below the 

 greenish stigma. The petals are broader than long, truncatish at base and shortly clawed. The 

 calyx-tube is thick and fleshy, orange-color inside, pubescent towards base. The lower third 

 of style is pubescent. 



Locs. — Colorado Desert : Vallecito, Jepson 8593 ; San Felipe Wash, Jepson 8903 ; Borrego Spr., 

 ne. San Diego Co., Jepson 8884; Indio, L. E. Carpenter; Cottonwood Spr., n. of Mecca, Jepson 



12,610. Mohave Desert : Helen- 

 dale, Newlon 480 ; Ord Mt., Jep- 

 son 5867; Calico Wash, n, of 

 Daggett, Jepson 5417 ; Lavic, 

 Jepson 15,470. Sierra Nevada, 

 east of: Furnace Creek, Funeral 

 Mts., Jepson 6914; Laws, Inyo 

 Co., Eeller 8231; Rock Creek, n. 

 of Sherwin grade. Mono Co., 

 Mum 11,071; Truckee River 

 canon, K. Brandegee ; Amedee, 

 Honey Lake Valley, Davy 3399. 

 Var.aurantiaca Wats. Petals 

 bright rose-color or orange ; cap- 

 sule often puberulent. — Sandy 

 washes, -100 to 2000 feet: Inyo 

 Co.; Mohave and Colorado des- 

 erts. East to Utah and Arizona, 

 south to Lower California. Mar.- 

 May. 



Locs. — Stovepipe Wells, 

 Death Valley, Mum 4' Bitchcoch 

 11,030 ; Kramer, Mohave Desert, 

 Jepson 5353; Needles, Jones 

 3793 ; Palm Sprs. of San Jacinto, 

 Parish 4116 ; Silent Canon, Santa 

 Rosa Mts. (se. end), Jepson 11, 

 706; Coyote Wells, sw. Imperial 

 Co., Jepson 11,753; Mountain 

 Sprs. (e. of). Imperial Co., New- 

 lon 374. 



Var. purpurascens Wats. 

 Petals white, changing to pink- 

 ish (or drying purplish). — Inyo 

 Co.; Mohave and Colorado des- 

 erts. 



Locs. — Argus Mts., Inyo Co., 

 Purpus 5030; Barstow, Mohave 

 Desert, K. Brandegee; Adelanto, 

 w. Mohave Desert, Craig 4" -Stw- 

 onds 1011; Indian Wells, Colo- 

 rado Desert, Munz 4" Keclc 4994. 

 Refs. — Oenothera scapo- 

 IDEA T. & G. Fl. 1:506 (1840), 

 type loc. "clay hills in the Rocky 

 Mis.," Nuttall; Jepson, Man. 686 

 (1925). Chylismia scapoidea Small, Bull. Torr. Club 23 :193 (1896). 0. brevipes var. scapoidea 

 Levi. Monog. Onoth. 146 (1904). Var. aurantiaca Wats. Proc. Am. Acad. 8:595 (1873), type 

 from Cal., Coulter; Jepson, Man. 687 (1925). Chylismia scapoidea var. aurantiaca Dav. & Mox. 

 (erroneously "Wats."), Fl. S. Cal. 254 (1923). 0. clavaeformis Torr. & Frem.; Frem. Rep, 314 

 (1845), "doubtless . . . Cal.," Fremont. 0. scapoidea var. clavaeformis Wats. Bot. King 109 

 (1871). 0. clavaeformis var. aurantiaca Munz, Am. Jour. Bot. 15:237 (1928). 0. clavaeformis 

 var. peirsonii Munz, Am. Jour. Bot. 15 : 238 (1928), type loc. 28 mi. e. of Coachella, Peirson 4512. 

 Chylismia scapoidea clavaeformis Small, Bull. Torr. Club 23:194 (1896). C. clavaeformis Hel. 

 Muhl. 2:105 (1906). Var. purpurascens Wats. Proc. Am. Acad. 8:595 (1873), "eastern side of 

 the Sierra from Oregon to Mono Lake"; I.e. 613, Brewer 1845 [Mono Lake], the spm. first cited; 

 Jepson, Man. 687 (1925). Chylismia lancifolia Hel. Muhl. 2:226 (1906), type loc. near Laws, 

 Inyo Co., Heller 8231. 0. cruciformis Kell. Proc. Cal. Acad. 2 : 227, pi. 71 ( 1863 ) , type loc. Steam- 

 boat Sprs., Nev. Chylismia cruciformis Howell, Fl. Nw. Am. 233 (1898). 0. clavaeformis var. 

 cruciformis Munz, Am. Jour. Bot. 15:235 (1928). 



Fig. 264. Oenothera cardiophylla Torr. a, upper part 

 of plant, X Vs-yb, lower part of plant, X Vs ; c, fl., X 1% ; 

 d, capsule, X 1. 



