SPURGE FAMILY 427 



Sandy soil, 50 to 2500 feet : mountains bordering the Colorado Desert. East 

 to Arizona, south to Lower California. Mar.-Oct. 



Locs. — Eiverside Mt., Colorado Eiver, J. Grinnell; Mountain Sprs., e. San Diego Co., 

 Parish 9034. 



Var. nodulosa Jepson var. n. Nodes somewhat annular-dilated ; gland-appendages obsolete 

 or nearly so. — (Nodi paiilo annulato-dilatati ; glandulae appendices obsoletae vel subobsoletae.) 

 — Eiver bottoms or low desert flats, -115 to 150 feet. Colorado Desert: betw. Brawley and Salton 

 Sea, Parish 8301 (type) ; Ft. Yuma, Parish 8307. 



Kefs. — Euphorbia setiloba Engelm. Pac. E. Eep. 5:364 (1857), type loe. near Ft. Yuma, 

 Ariz. ; Jepson, Man, 600 (1925) . Chamaesyce setiloba Millsp. ; Parish, Carnegie Inst. Wash. Publ. 

 193:110 (1914). Var. nodulosa Jepson. 



7. E. pediculifera Engelm. Carrizo Spurge. Stems pubescent throughout, 

 slender, procumbent, much branched, 1 foot long; herbage finely cinereous or 

 scurfy ; leaf -blades oblong to obovate, entire, moderately but distinctly unequal at 

 base, 3 to 4^/2 lines long, on slender petioles; stipules very small, triangular; in- 

 volucres hemispherical, clustered on short axillary branchlets; glands large, purple, 

 the margins conspicuous, white, shortly fan-shaped, crenulate; styles bifid almost 

 to the base, divaricate; capsule broadly ovate, pubescent, the lobes not carinate; 

 seeds ashy pink or gray, 4-angled, the facets with 4 straight and deep transverse 

 grooves. 



Canons, 500 to 1500 feet : Colorado Desert. East to Arizona, south to Mexico. 

 Apr. 



Loc. — Carrizo Mt., T. Brandegee, the only station known to us in California. 



Var. abramsiana Ewan comb. n. Glands small, inconspicuous, the appendages minute or 

 obsolete. — Sandy areas, -150 to feet, Colorado Desert: Calexico, Parish 8302; Brawley, Parish 

 8305. Oct. 



Eefs. — EuPHOEBiA PEDICULIFERA Engelm. Bot. Hex. Bound. 2:186 (1859), type loc. Sonora, 

 Mex., Wright 1848; Jepson, Man. 600 (1925). Chamaesyce pediculifera Eose & Standi. Contrib. 

 U. S. Nat. Herb. 16:12 (1912). Var. abramsiana EAvan. E. abramsiana Wheeler, Bull. S, Cal. 

 Acad. 33:109 (1934), type loc. Heber, Imperial Co., Abrams 4097. Chamaesyce saltonensis 

 Millsp.; Parish, Carnegie Inst. Wash. Publ. 193:110 (1914), Calexico, Imperial Co., Parish 8302, 

 nomen nudum. 



8. E. ocellata D. & H. Cantua Spurge. Stems many from the base, prostrate, 

 5 to 13 inches long; herbage glabrous; leaf -blades deltoid to oblong-ovate, thickish, 

 unequal and often cordate at base, entire, 2 to 5^2 lines long; stipules subulate, 

 mostly entire; involucres hemispheric (or turbinate), 5-columnar, nearly 1 line 

 long, the lobes fringed ; glands 2 to 4, saucer-shaped, yellowish or purplish, short- 

 stipitate, without appendages; capsule strongly 3-lobed, smooth, 1 line long; seeds 

 round-ovate, dorsally carinate (or sub-quadrate), nearly smooth or somewhat 

 wrinkled, brown, gray, ashy or whitish, % line long. 



Dry sandy valleys and foothills, 10 to 1500 feet: inner South Coast Range; 

 Great Valley; Sierra Nevada; Southern California. East to Nevada. Aug.-Oct. 



Locs. — Dunsmuir, Siskiyou Co., Jepson 6159 ; Table Mt., Oroville, Heller 11,143 ; San Joaquin 

 Co., Sanford 175 (involucres turbinate) ; Mt. Diablo, Jepson 13,926; Corral Hollow, Alameda Co., 

 Brewer 853 ; Cantua Creek, w. Fresno Co., Lillis; La Grange, Stanislaus Co., Jepson 13,925 ; Agua 

 Fria, Mariposa Co., Congdon; North Fork Kaweah Eiver, Jepson 577; Tulare, Michener 4" ^*o- 

 letti (seeds nearly smooth) ; San Bernardino, Parish 2056. 



Var, arenicola Jepson. Glands sessile or nearly so ; seeds very smooth, subspherical. — Sandy 

 plains or hUls, 1000 to 2000 feet: Mohave Desert, north to Inyo Co. East to Arizona. May. 



Locs. — Camp Cady (Daggett), Parish 1370 ; Soda Lake near Baker, e. Mohave Desert, Parish 

 10,375 ; Searles Lake, Inyo Co., Jepson 7144. 



Var. sulfurea Jepson comb. n. Seeds strongly rugose-tuberculate. — Sierra Nevada foothills 

 from Butte Co. to Tehama Co. (Eed Bluff, ne. of, Jepson 15,279a). July-Sept. 



Var. rattanii Jepson comb. n. Herbage minutely pubescent ; glands sometimes with a nar- 

 row white appendage; capsule pubescent. — Sandy or gravelly soil, dry creek beds, 800 to 1500 

 feet, Glenn and Colusa Cos.; Stony Creek, w. Glenn Co., Sattan; Newville (e. of), Glenn Co., 

 Heller 11,555. 



Eefs. — Euphorbia ocellata D. & H. Pac. E. Eep. 5:15, t. 18 (1855), type loc. Pose Creek, 

 Kern Co., Heermann; Jepson, Fl. W. Mid. Cal. 262 (1901), ed. 2, 247 (1911), Man. 600 (1925). 

 Chamaesyce ocellata Millsp. Field Mus. Publ. Bot. 2:410 (1916). Var. arenicola Jepson, 



