426 EUPHORBIACEAE 



3. E. hirtula En<]:elm. Pine Spurge. Stems prostrate or slightly ascending, 



2 to 9 inches long; herbage villous; leaf -blades roundish-oval to elliptic-oblong, 

 oblique at the base, II/2 to 3 lines long; stipules fimbriate; involucres turbinate- 

 campanulate, solitary in the axils; glands red, with a narrow white toothed append- 

 age; capsules sparsely villous, % to 1 line long, acutely angled; seeds ovate-quad- 

 rate, grayish-white, acutely angled, shortly wrinkle-pitted or slightly wrinkled, 

 y2 line long. 



Montane, mostly in the pine belt, 1400 to 5500 feet : Sierra Nevada from Cala- 

 veras Co. to Fresno Co.; mountains of coastal Southern California. South to 

 Lower California. June-Oct. 



Locs. — Sierra Nevada: Kentucky House, South Fork Calaveras Eiver, Jepson 10,042 ; Hetch- 

 Hetchy, Hall 4- BahcocTc 3356; Cedar Brook, Mariposa Co., Jepson 15,964; Pine Eidge, Fresno 

 Co., Hall 4- Chandler. S. Cal.: Strawberry Valley, San Jacinto Mts., Hall 966; Kamona, San 

 Diego Co., K. Brandcgee ; Julian, T. Brandegee ; Cuyamaca, T. Brandegee. 



Kefs. — Euphorbia hirtula Engelm. ; Wats. Bot. Cal. 2:74 (1880), type loc. near San Diego, 

 Cleveland; Jepson, Man. 599 (1925). Chamaesyce hirtula Millsp. Field Mus. Publ. Bot. 2:409 

 (1916). 



4. E. maculata L. Spotted Spurge. Stems radiately branching, prostrate, 



3 to 10 inches long; herbage pilose; leaf -blades oblong-elliptic to oblong-linear, 

 usually with a red blotch in center, serrulate, obliquely subcordate at base, 1^/2 to 

 5 lines long; stipules setaceous, sometimes lacerate, fimbriate or crenulate; invo- 

 lucres narrowly turbinate, % line long; glands 4, cup-shaped, with white entire 

 margins; capsules acutely angled, sparsely and coarsely appressed-pubescent, % 

 line long; seeds quadrate-oblong, reddish or brown, I/4 line long, the sides trans- 

 versely ridged. 



Introduced from eastern United States: street weed about cities and towns. 

 July-Oct. 



Locs. — Marysville, Hall 9835 ; Bear Valley, Nevada Co., Jepson 13,924 ; lone, Amador Co., 

 Braunton 1137; West Berkeley, Bioletti; Jolon, Monterey Co., Jepson 1650; San Miguel, San 

 Luis Obispo Co., K. Brandegee (seeds brown, with shallow ridges) ; Pasadena, Geo. B. Grant 

 427 ; San Bernardino, Parish 9430. 



Eefs. — Euphorbia maculata L. Sp. PI. 455 (1753), type from North America; Jepson, 

 Fl. W. Mid. Cal. 262 (1901), ed. 2, 246 (1911), Man. 600 (1925). Chamaesyce maculata Small, 

 Fl. Se. U. S. 713 (1903). 



5. E. parryi Engelm. Drift Spurge. Branched from the base, diffuse to 

 ascending, 6 to 12 inches high; herbage glabrous; stipules subulate, fimbriate; peti- 

 oles very short; leaf -blades linear, 5 to 11 lines long, acute at both ends, the margins 

 involute in drying; cymes terminal, 1 to 3-involucred; involucres campanulate, ^ 

 to 1 line long; glands greenish, concave, the outer margin somewhat produced; 

 appendages none; capsules smooth, 1 line long, the lobes acutely angled; seeds 

 ovate, acutely 3-angled, minutely rugulose, Y2 line long. 



Sandy areas, 1300 to 1600 feet : eastern Mohave Desert. East to Utah. June- 

 Sept. 



Loc. — Devils Playground, K. Brandegee, the only kno'svn locality in California. 



Eefs. — Euphorbia parryi Engelm. Am. Nat. 9:350 (1875), type loc. St. George, s. Utah, 

 Parry. Chamaesyce parryi Eydb. Bull. Torr. Club 40:53 (1913). 



6. E. setiloba Engelm. Yuma Spurge. Stems repeatedly dichotomous from 

 the base, prostrate, 2 to 6 inches long; herbage reddish, softly glandular-pubescent; 

 leaf -blades round-obovate to elliptic, entire, 1 to 3 lines long, on slender petioles; 

 stipules minute, low-triangular; involucres solitary in the axils and in small leafy 

 clusters terminating the branchlets, narrowly turbinate, the lobes ciliolate; glands 

 erect, purple, the margins white or rose-color, narrow, fimbriate; capsules hairy, 

 angled, % liiie long; seeds oblong, ashy pink, acutely 4-angled, slightly rugose 

 transversely, y^. line long. 



