EUPHORBIACE.E. (SPURGE FAMILY.) 433 



Sterile, the other fertile, on short nodding pedicels ; calyx 6-parted, the lobes 

 oblong, obtuse, strongly l-nerved, meinl)ranous on the margins; capsule 

 smooth ; seed semicircular, 3-angIed, striped with lines of minute raised points. 



— Low ground, Florida, and northward. August - Sejit. — Stem 8' - 1 6' high. 

 Leaves I' - 1' long. 



2. P. Niruri, L. Annual ? branches short, very slender, recurved ; 

 leaves crowded, oval (2" -4" long); calyx 5-parted; seed white, smooth, 6- 

 furrowed on the back and 3-furrowed on the sides ; otherwise mostly like 

 No. 1. — South Florida. — Stem 6' high. 



3. P. abnormis, Baill. Like the preceding, but stouter, and somewhat 

 woody at the base, 6'- 12' high, the branches spreading; leaves closer, larger 

 (2" -3" long), elliptical, rounded or subcordate at the base; calyx lobes ellip- 

 tical ; glands of the fertile flower lorate, eutire or 2-parted. — Sandy coast of 

 South Florida (Michaux, Canhjj). 



16. PACHYSANDRA, Michx. 



Flowers monoecious, apetalous, spiked. Calyx bract-like, 4-parted. Sterile 

 flowers numerous. Stamens 4, with club-shaped exserted filaments. Fertile 

 flowers few, at the bjise of the sterile spike. Ovary 3-celled, with two ovules 

 in eacli cell. Styles 3, thick, recurved. Capsule of three 1-celled, 2-seeded, 2- 

 valved carpels. — A pubescent creeping perennial herb, with erect simple 

 branches, bearing at the summit several large ovate toothed alternate ab- 

 ruptly long-])etioled leaves, and near the base several thick bracted spikes. 



1. P. procumbens, Michx. — West Florida, and westward, in rich 

 shady v.'oods. Feb. - March. — Flowering stems 1° high. Leaves 3' - 4' long, 

 often discolored. Flowers odorous. 



17. DRYPETES, Yahl. 



Flowers dioecious, apetalons, in axillary clusters. Caly.x 4- 6-parted, lined 

 in the centre with a wavy-lobed disk. Stamens 4 - 10, inserted under the disk : 

 anther cells distinct. Ovary resting upon the disk, 2-celled, the cells 2-ovuled. 

 Styles 2, short, spreading. Fruit drupaceous, 1 - 2-celled, 1 - 2 seeded. — Trop- 

 ical trees or shrubs, with alternate coriaceous entire smooth petioled leaves, 

 and minute many-bracted flowers. 



1. D. crocea, Poit. Branches smooth ; leaves oblong, acute at each end, 

 somewhat coriaceous, finely veined; clusters many-floAvered, shorter than the 

 petioles ; calyx 4-parted, and, like the ovary and slightly 4-angled 1-seeded 

 drupe, tomentose ; stamens 4, exserted ; styles thick, obtuse. — South Florida. 



— A small tree. Leaves 3' -4' long, smooth and shining. Flowers greenish 

 white. 



2. D. glauca, Vahl. Branches whitish, warty ; leaves glaucous, oblong, 

 obtuse or gland-pointed, coriaceous ; clusters few-flowered, as long as the peti- 

 oles ; calyx 5-parted; stamens 10; drupes oval, tomentose. — South Florida. 



— Leaves 2' -3' long. 



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