SPURGE FAMILY 429 



glabrous ; the following with at least the petioles short-hirtellous are intermediate toward the 

 variety hirtella: Furnace Creek, Death Valley, Parish 10,038; Palm Canon of San Jacinto, Jep- 

 son 1374. 



Var. hirtella Boiss. Herbage minutely hirsute throughout. — Sandy washes, 500 to 2600 

 feet: Colorado and Mohave deserts. East to western Nevada. Apr.-Oct. 



Logs. — Colorado Desert: Dixieland, Parish 8308; Devils Canon, Santa Eosa Mts., Clary; 

 Palm Sprs. of San Jacinto, Parish 4143 ; ConchiUa Desert, Jepson 6054 ; Cottonwood Spr., n. of 

 Mecca, Parish 10,830 ; Twenty-nine Palms, Jepson 5964. Mohave Desert : Amargo, Jepson 15,789 ; 

 Soda Lake (near Baker), Mary Beal. 



Var. parishii Jepson comb. n. Gland-appendages none or extremely narrow. — Inyo Co.: 

 Emigrant Sprs., Parish 10,190 ; Furnace Creek ranch. Death Valley, Jepson 6879. 



Kefs. — Euphorbia polycarpa Benth. Bot. Sulph. 50 (1844), type loc. Bay of Magdalena, L. 

 Cal., Hinds; Jepson, Man. 600, fig. 593 (1925). Chamaesyce polycarpa Millsp. Field Mus. Publ. 

 Bot. 2:411 (1916). Var. hirtella Boiss.; DC. Prod. 15=:44 (1862), type from Cal., Emory. 

 E. polycarpa Jepson, Man. 600 (1925) in part. Chamaesyce polycarpa var. hirtella Millsp.; 

 Parish, Carnegie Inst. Wash. Publ. 193:110 (1914). C. tonsita Millsp. Field Mus. Publ. Bot. 

 2:412 (1916). Var. parishii Jepson. E. parishii Greene, Bull. Cal. Acad. 2:56 (1886), type loc. 

 "Warm Sprs., Mohave Desert," Parish 1384 (gland-appendages absent). Chamaesyce parishii 

 Millsp.; Parish, Carnegie Inst. Wash. Publ. 193:110 (1914). E. pseudoserpyllifolia Millsp. Pitt. 

 2:87 (1890), type loc. valley of the Gila Elver, Ariz., P. F. Mohr (at least as to California spms. 

 so named). 



12. E. melanadenia Torr. Squaw Spurge. Stems procumbent to erect, dif- 

 fusely branched, 3 to 12 inches long; herbage canescent, often purple-tinged; stip- 

 ules minute, subulate, ciliate; leaves numerous, crowded, the blades roundish- 

 oval or ovate, oblique at the base, entire, 1 to 3 lines long; petioles I/4 to % line 

 long; involucres solitary in the axils, turbinate-campanulate, % line long; glands 

 purplish-black (or brownish), elliptical, shall owly cupped; appendages usually 

 broad and conspicuous, white to rose-pink, crenulate (rarely narrow or absent), 

 often 1 line wide; capsule 1 line long, the lobes carinate; seeds reddish -brown, 

 quadrate-oblong, % line long, the facets slightly wrinkled. 



Dry valley flats and open hillsides, 745 to 4000 feet : Los Angeles Co. to San 

 Diego Co. East to Arizona and western Nevada. Apr.-Dec. 



Locs. — Santa Monica, Brewer 54; Arroyo Seco, San Gabriel Mts., Peirson 310; Montezuma 

 Valley near Warner Hot Sprs., Jaeger; San Felipe, Jepson 12,444 ; Box Canon, Blair Valley, e. 

 San Diego Co., Jepson 8704; Mountain Sprs., e. San Diego Co., Newlon 368. 



Kefs. — Euphorbia melanadenia Torr. Pac. E. Eep. 4:135 (1857), type loc. San Gabriel, 

 Bigelow. Chamaesyce melanadenia Millsp. Field Mus. Publ. Bot. 2:410 (1916). Euphorbia 

 polycarpa var. vesiita Wats. Bot. Cal. 2:73 (1880) ; Jepson, Man. 601 (1925). E. cinerascens 

 var. appendicula Torr. Bot. Mex. Bound. 2:186 (1859), type loc. San Felipe, LeConte. Chamae- 

 syce aiLreola Millsp. I.e. 406, type loc. Azusa, Los Angeles Co., S. H. Smith 4933. 



Euphorbia cinerascens Engelm. Bot. Mex. Bound. 186 (1859), type loc. "on the Eio 

 Grsinde", Wright. Chamaesyce ci7ierascens Small, Fl.Se.JJ.S. 710 (1903), Ash Spurge. Similar 

 in appearance to E. melanadenia but differing in the annual or biennial habit. Figtree John 

 Spr., w. Colorado Desert, ace. Parish (Carnegie Inst. Wash. Publ. 193:110). 



13. E. vallis-mortae J. T. Howell. Indian Spurge. Stems from a thickened 

 root, indurated below, much branched above, 3 to 6 inches high; upper stems and 

 herbage canescently hirsutulous throughout, the hairs spreading; stipules minute, 

 subulate, ciliate; petioles scarcely i/o line long; leaf -blades thick, entire, broadly 

 ovate to suborbicular, oblique at the base, 2% to 4 lines long; involucres solitary 

 in the axils, campanulate, % line long on peduncles 1 line long or less; glands large, 

 greenish or brownish, oval (scutelliform) ; appendages white, broad, flabelliform, 

 crenulate or undulate, the margins ciliolate; capsule (obpyriform) 1 line long, the 

 lobes scarcely carinate; seeds ashy-pink, quadrate-ovate, % line long, the facets 

 smooth or nearly so. 



Dry sand, 2000 to 3600 feet : Owens Valley and Indian Wells Valley. June. 



Locs. — Owens Lake, Inyo Co., Hall 4~ Chandler 7323 ; Eed Eock Canon, Kern Co., Peirson 

 7334; Indian Wells, Kern Co., Purpus 5473. 



Eefs. — Euphorbia vallis-mortae J. T. Howell, Madrono 2:19 (1931). Chamaesyce vallis- 

 mortae MUlsp. Field Mus. Publ. Bot. 2:403 (1916), type Coville # Funston 1008, type loc. given 



