euphorbia EUPHORBIACE2E 605 



the length of the petioles, campanulate, glabrous without, hairy within*, 

 glands rose-red, orbicular, folded upward upon themselves, appendages 

 white: capsule smooth, the carpels bluntly carinate : seeds ovate, sharply 

 quadrangular, the faces irregularly transversely ridged. Beaver Canyon, 

 Idaho. 



E. glyptosperma Engelm. Bot, Mex. Bound. Serv. 187. Pale green 

 and glabrous annual: stem branching from near the base, the branches 

 ascending, spreading or prostrate, 2-15 inches long : leaves oblong to linear- 

 oblong or ovate, 1-9 lines long, more or less falcate, obtuse at the apex, 

 serrulate, very oblique and obtuse or subcordate at base, short- petioled : 

 stipules becoming a fringe of setae : involucres solitary in the axils, campan- 

 ulate, half a line long, with 4 dark ribs and 4 saucer-shape glands, their 

 appendages narrow, crenulateor slightly lobed: capsule depressed-globose, 

 less than a line in diameter, nodding: seeds oblong, half a line long, ash- 

 color, strongly transversely wrinkled, not pitted. In sandy places, Brit, 

 Columbia to California, Ontario and Connecticut. 



E. macnlata L. Sp. 545. Puberulent or pilose annual : stem branched 

 from the base, the branches slender, radiately spreading, 2-15 inches long, 

 prostrate, often dark red: leaves usually blotched, oblong or ovate-oblong 

 2-8 lines long, obtuse, more or less serrate, short- petioled, the base oblique, 

 subcordate : stipules a fringe of setae : involucres solitary in the axils, en- 

 tire, half a line long, with 4 cup-shaped glands, the appendages narrow, 

 white or red, crenulate: capsule ovoid, glabrous, about a line in diameter, 

 pubescent: seeds ovoid-oblong, obtusely angled, ash-color, minutely pitted 

 and transversely wrinkled. Throughout North America except the ex . 

 treme north. 



E. Lathyrus L. Sp. 457. Annual or biennial, glabrous and glaucous. 

 Stem stout 1-3 feet high, mostly simple below, umbel lately branched above : 

 leaves numerous, the lower scattered, those subtending the branches verti- 

 cillate, the lower linear, reflexed, the upper lanceolate, 1-5 inches long, 

 entire, sessile, subcordate : involucres 2-3 lines long, bearing 4 cresent- 

 shaped unappendaged glands prolonged into short horns : capsule subglo- 

 bose, 5-6 liaes in diameter, its lobes rounded : seeds o blong-ovoid, 2-3 lines 

 long, terete, usually wrinkled. In waste places, Native of Europe. 



E. dictyosperma F. & M. Ind. Sem. Hort. Petrop. ii, 37. Glabrous 

 annual: stem erect, rather slender, 4-15 inches high, simple, or branched 

 from the base: leaves, except those subtending the inflorescence scattered, 

 spatulate or oblong, 6-18 lines long, obtuse, serrate to below the middle, 

 sessile, without stipules, the upper slightly auricled at base : bracts oblong 

 or ovate, small, serrate, cordate: inflorescence dichotomously paniculate: 

 involucres solitary in the axils, less than a line long, with 4 oblong naked 

 nearly sessile glands : capsule depressed-globose, less than 2 lines in diame- 

 ter, with elongated warts: seeds ovoid, lenticular, reddish-brown, finely 

 but distinctly reticulated. Southern Oregon to California and the 

 Atlantic States. 



E. crenulata Engelm. 1. c. Biennial or sometimes perennial: glab- 

 rous : stems erect or decumbent at the branching base, 6-12 inches high : 

 leaves obovate-spatulate, obtuse, often mucronate, 6-15 lines long, without 

 stipules, the upper ones sometimes erose-denticulate, those on the branch- 

 es and floral ones opposite or usually ternate, deltoid or broadly rhombic- 

 ovate, sometimes connate, acute 3-8 lines broad : floral branches 2-3 times 

 dichotomous, the upper nodes much the shorter : involucres solitary in the 

 axils, turbinate, the oblong lobes nearly entire: glands large crescent- 

 shaped, the slender horns sometimes cleft: capsule 2 lines in diameter: 

 seeds usually ash-color, oblong-ovate, conspicuously dark-pitted. In open 

 woods, western Oregon to California. 



