Genus 12. 



SPURGE FAMILY. 



465 



6. Chamaescye Fendleri (T. & G.) 



Small. Fendler's Spurge. Fig. 2737. 



Euphorbia Fendleri T. & G. Pac, R. R. Rep. 2 : 



175- 1855. 

 Chamaesyce Fendleri Small, Fl. SE. U. S. 710. 



1903. 



Annual (or perennial by a woody root), 

 pale green, glabrous. Stem diffusely branched 

 from the base, the spreading wiry branches 

 4'-8' long, brittle; leaves suborbicular, oval 

 or elliptic, ii"-4" long, obtuse, entire, short- 

 petioled, the base oblique, obtuse or subcor- 

 date; stipules usually a fringe of short setae; 

 involucres solitary in the axils, sometimes 

 clustered toward the ends of the branches, 

 campanulate, l"-2*" high, with 4 or 5 saucer- 

 shaped oval glands subtended by irregular 

 entire or slightly lobed appendages ; pedun- 

 cles about as long as the involucres ; capsule 

 deflexed, iV in diameter, sharply 3-lobed; 

 seeds ovoid, I" long, transversely wrinkled. 



Nebraska and Wyoming to Texas. Mexico, 

 Utah and Arizona. April-Oct. 



7. Chamaesyce lata (Engelm.) Small. 

 Hoary Spurge. Fig. 2738. 



Euphorbia lata Engelm. Bot. Mex. Bound. Surv. 188. 



1859- 

 Chamaesyce lata Small, Fl. SE. U. S. 710. 1903. 



Perennial, pale green, canescent all over. Stem 

 branched from the somewhat woody base, the 

 branches spreading or ascending, 2'-4' long ; leaves 

 ovate to lanceolate, 24"-5" long, revolute-mar- 

 gined, abruptly narrowed, truncate or cordate at 

 the base, short-petioled; stipules obsolete or of a 

 few short setae ; involucres solitary in the axils, 

 i" long, short-peduncled, bearing 5 disk-like 

 glands subtended by narrow undulate appendages; 

 capsule subglobose, i" in diameter; seeds oblong, 

 i" long, acutish at both ends, 4-angled, the faces 

 inconspicuously transversely wrinkled. 



Kansas to Colorado, 

 April-Aug. 



Texas and New Mexico. 



8. Chamaesyce serpyllifolia (Pars.) Small. 

 Thyme-leaved Spurge. Fig. 2739. 



Euphorbia serpyllifolia Pers. Syn. 2: 14. 1807. 

 Chamaesyce serpyllifolia Small, FL SE. U. S. 712. 1903. 



Annual, dark green, or becoming reddish, gla- 

 brous. Stem branched from the base, the slender 

 branches prostrate or ascending, 4'-i2' long; leaves 

 oblong to spatulate, iz"-6" long, obtuse or retuse, 

 nearly entire, or serrulate to below the middle, 

 short-petioled, the base oblique, mostly truncate or 

 obtuse; stipules at length a fringe of weak setae; 

 involucres solitary in the axils, sometimes clustered 

 toward the ends of the branchjets, less than i" long, 

 bearing 4 disk-like glands each subtended by a nar- 

 row lobed appendage; capsule l" broad, slightly 

 nodding; seeds ovoid, hardly ¥' long, 4-angled, the 

 faces transversely wrinkled and pitted. 



In dry soil, Michigan and Wisconsin to South Dakota, 

 Idaho, Washington, California, south to Missouri, Texas 

 and Mexico. May-Sept. 



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