EUPHOKBIACEiE. (sPURGE FAMILY.) 401 



glands orbicular, showy ; capsule and seed smooth. (E. paniculata, Ell.) — Van 

 ANGUSTiFOLiA, Ell. Stems slender; branches mostly 3, forking, elongated, 

 spreading; leaves varying from linear to obovate ; involucres small, scattered; 

 appendages of the glands transversely oblong. — Dry rich soil, Florida to Mis- 

 sissippi, and northward ; the var. in sandy pine barrens. July - Sept. — Stem 

 l°-20higb. 



2. E. discoidalis, n. sp. Smooth or pubescent ; branches commonly 2, 

 divaricate, forlting ; leaves linear, obtuse, with the margins revolute ; involucres 

 on slender pedicels ; glands deep red, bordered by the narrow appendages ; 

 seeds obovate, pale, minutely pitted. — Dry sandy pine barrens near the coast, 

 West Florida. Aug. -Oct. Plant 6'- 18' hiyh; the stem much shorter than 

 the branches. Leaves 2' -3' long, 1" -2" wide. Involucres scattered. 



3. E. Curtisii, Engelm. Smooth ; stems filiform ; branches mostly 3, 

 erect, sparingly divided ; leaves thin, linear or linear-oblong, obtuse, short-peti- 

 oled, spreading or recuiTcd ; involucres minute, scattered, on long capillary 

 pedicels ; glands green, margined by the white crenate appendages ; capsule 

 erect, short-stalked, round-angled ; seed globose, smooth. — Low pine barrens, 

 Florida to North Carolina. Aug. — Plant 6' - 9' high, sometimes branching 

 from the base. Leaves i'-l^' long. 



. 1- <- Glands of the involucre 5, without appendages. 

 ♦+ Annuals. 



4. E. commutata, Engelm. Smooth ; stems erect or ascending, umbel- 

 lately or alternately branched ; leaves thin, obovate, entire, the lower ones peti- 

 oled, those of the branches round-kidney-shaped, sessile ; involucres nearly 

 sessile, shorter than the floral leaves ; glands crescent-shaped or 2-homed ; cap- 

 sule smooth, round-angled; seeds ovoid, pitted. — Dry soil, Aspalaga, Florida, 

 and probably elsewhere, previously confounded with E. Peplus, L., which has a 

 wing-crested capsule. — Stem 6' -12' high. Leaves ^'-1' long. Plant pale 

 green. 



5. E. obtusata, Pursh. Smooth; stem erect; branches 3-5; leaves 

 sessile, serrulate, obtuse ; those of the stem wedge-oblong, of the branches ovate ; 

 involucre nearly sessile ; glands oval ; capsule round-angled, warty ; seeds 

 smooth. (E. Helioscopia, Ell.?) — Shady woods, South Carolina, and north- 

 ward. July - Sept. — Stem 1° high. Leaves 1' long. 



♦+ ♦+ Perennials. 



6 E. Darliugtouii, Gray. Stem tall; branches 5-8, forking; leaves 

 entire, slightly pubescent beneath ; those of the stem oblong, of the branches 

 oval or roundish, obtuse, truncate at the base ; involucres nearly sessile ; glands 

 obliquely oval ; capsule obscurely warty ; seeds smooth. — Mountains of North 

 Carolina, and northward. July. — Stem 2° - 4° high. 



7. E. Floridaua, n. sp. Smooth; stem erect; branches 3-4, forking; 

 leaves entire, sessile ; those of the stem linear or linear-lanceolate, mostly acute, 

 reflexed ; of the branches cordate-ovate, clasping, acute ; involucres shorfr-pedi- 

 celled, green, with the ovate lobes nearly entire, much shorter than the truncate 

 crenate stalked glands ; capsule acute-angled, and, like the seeds, smooth. — Dry 

 34* 



