EUPHOKBIACE.E. (SPURGE FAMILY.) 425 



margins ; stipules reflexed ; involucres in dense lateral loug-peduncled cymose 

 clusters ; appendages of the glands white, kidney-shaped ; capsules rather 

 acutely angled, smooth ; seed minute, reddish. South Florida. 



22. E. Preslii, (Ji^s. Stem often pubescent, ascending (1- 1 high) ; 

 leaves oblong or lanceolate, obtuse or cordate at the base, often blotched 

 with red, sharply serrate on the lower margin, entire below the middle on 

 the upper; clusters terminal; appendages of the glands rounded, entire ; cap- 

 sule round-angled, smooth ; seeds larger, nearly black. Cultivated grounds. 

 August -Sept. 



23. E. buxifolia, Lam. Stem : tout, smooth, ascending, alternately 

 branching or forking from the base, purple ; leaves very numerous, somewhat 

 fleshy, nearly sessile, oblong ovate, cordate, acute, entire, with the margins 

 involute, the uppermost crowded; involucres in dense terminal clusters; 

 glands peltate, orbicular, bordered by a white appendage; capsule smooth, 

 acute-angled ; seed bluish, faintly rugose. Sandy sea-shore, South Florida. 

 Stem 1 high. Leaves 3" - 5" long. Stipules fringed. 



24. E. pilulifera, L. 1'ubescent; stem erect or prostrate, forking from 

 the base; leaves short-petioled, oblong-ovate, oblique, acute at each end, ser- 

 rate ; involucres minute, in dense terminal short-stalked clusters ; glands 

 without appendages ; capsule acute-angled, hairy ; seeds faintly rugose. 

 South Florida, Mobile (Molir). Stem 4' -6' high. Leaves 5" -8" long. 



* * Stems prostrate, diffuse : leaves small: involucres small and mostly crowded 



near the summit of the branches. 



-t- Perennial. 



25. E. Garberi, Engelm. fined.). Softly villous throughout ; stems 

 widelv branching; leaves oval or obovate, oblique, entire, short-petioled; 

 stipules ciliate-laciniate ; flowers single in the upper axils ; glands narrowly 

 margined; capsule acutely angled; seeds reddish-brown, transversely 2- 

 ribbed. Sandy coast, South Florida, Stem 1 or more long. 



26. E. deltoidea, Engelm. fined.). Stems (2' -4' long) diffuse, gla- 

 brous ; leaves Ui" long or less) petioled, obliquely deltoid, cordate, or reni- 

 form, sprinkled with short hairs, the margins narrowly re volute ; stipules 

 minute, entire; involucre single, terminal, turbinate, pedicelled, with downy 

 lobes, and transversely oblong glands without appendages; styles very short; 

 capsule (immature) acutely 3-angled, glabrous. South Florida (Curtiss). 



H -i Annual: smooth. 



57. E. serpyllifolia, Fers. Smooth ; leaves oval or obovate, oblique 

 Mid acute or obtuse at the base, obscurely serrulate, petioled; stipules ovate, 

 pvMre. or sparingly short-fringed ; appendages of the glands white, trans- 

 versely oblong ; capsule smooth, acute-angled ; seed 4-angled, granular- 

 roughened and faintly wrinkled on the sides. South Florida. May -Oct. 

 Stems 6' -12' long. Leaves 2" -5" long. 



28. E. serpens, HBK. Smooth, small (4'- 8' long); leaves round- 

 ovate, entire ("-" lonir) ; stipules triangular, toothed; peduncles single; 

 appendages of the gland minute or none ; capsule smooth, acutely angled ; 

 seeds smooth and even, obtusely 4-angled. South Florida, Mississippi, and 

 westward. 



