GENUS 12. 



SPURGE FAMILY. 



4 6 5 



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"-2i" 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, \\" 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.'-^' long ; leaves 

 ovate to lanceolate, 2$"-5" long, revolute-mar- 

 gined, abruptly narrowed, truncate or cordate at 

 the base, short-petroled ; 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 subglpbose, i" in diameter; seeds oblong, 

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

 inconspicuously transversely wrinkled. 



Kansas to Colorado, Texas and New Mexico. 

 April-Aug. 



8. Chamaesyce serpyllifolia (Pers.) 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, ii"-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 branchlets, less than i" long, 

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

 row lobed appendage; capsule i" 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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