404 EUPHORBIACE^. (SPURGE FAMILY.) 



20. E. cordifolia, Ell. Smooth ; leaves petioled, oval or roundish, entire, 

 obtuse, cordate or truncate and oblique at the base ; stipules slender, deeply 

 parted into long capillary segments ; appendages of the glands conspicuous, 

 oblong or roundish, white ; capsule smooth, acute-angled ; seed 4-angled, smooth 

 and even. Sandy pine barrens, Florida to South Carolina, and westward. 

 July - Sept. Stems 6' - 1 8' long. Leaves 4" - 6" long, pale green. 



21. E. polygonifolia, L. Smooth and somewhat fleshy ; leaves oblong 

 or linear-oblong, entire, oblique, obtuse or slightly cordate at the base, petioled ; 

 stipules by pairs, 2 - 3-parted ; glands of the involucre slightly margined by the 

 narrow appendages, rather shorter than the subulate obtuse lobes ; capsule 

 smooth, acute-angled ; seed large, obovate, not angled, smooth and even. 

 Drifting sands along the coast, Florida, and northward. July -Oct. Stems 

 4'- 12' long. Leaves ' long. Involucres densely bearded within. Seed whitish. 



2. HIPPOMANE, L. 



Flowers monoecious, apetalous, in thick cylindrical spikes. Sterile flowers 

 clustered in the axil of a broad entire bract. Calyx top-shaped, 2-lobed. Sta- 

 mens 2, exserted : anther-cells separate. Fertile flower solitary at the base of 

 the spike. Calyx 3-parted, many-bracted. Ovary sessile, 6-7-celled. Style 

 short and thick : stigmas 6-7, acute, spreading. Fruit fleshy, of few woody 

 1-seeded indehiscent carpels. A small tree, with milky poisonous juice, and 

 short and thick branches. Leaves alternate, stipulate, petioled, ovate, serrulate, 

 acute or acuminate, smooth, approximate at the summit of the branches. Peti- 

 oles biglandular at the apex. Spikes greenish. 



1. H. Mancinella, L. South Florida. Branches roughened with the 

 scars of the deciduous leaves. Leaves l'-2' long. Spikes 2' long, terminal, 

 solitary. Clusters of flowers with a gland-like bract on each side. Fruit re- 

 sembles an apple. 



3. STILLINGIA, Gard. 



Flowers monoecious, apetalous, spiked. Sterile flowers clustered, cup-shaped, 

 2-4-toothed or crenate. Stamens 2 - 3, exserted : anthers erect. Fertile flow- 

 ers few at the base of the spike. Calyx 3-lobed. Style short : stigmas 3, entire, 

 spreading. Capsule roundish, of three 1-celled 1-seeded 2-valved carpels. 

 Smooth herbs, shrubs, or trees, with milky juice. Leaves alternate, stipulate. 

 Bracts with a fleshy gland on each side. 



1. S. sylvatica, L. (QUEEN'S DELIGHT) Herbaceous ; stems clustered, 

 erect or ascending from a thick woody root, umbellately branched : leaves some- 

 what crowded, nearly sessile, thickish, varying from linear-lanceolate to obovate, 

 obtuse or acute, crenate-serrulate ; spikes yellowish, terminal, and in the forks 

 of the stem, longer than the leaves ; glands cup-shaped ; stamens 2 ; capsule 

 roughish ; seed globose. Light dry soil, Florida to North Carolina, and west- 

 ward. April - Sept. Stems 1 - 3 high. Leaves 1 ' - 2' long. Spikes 2' - 3' 

 long. 



