EUPHORBIACE^:. (SPURGE FAMILY.) 433 



sterile, the other fertile, cm short nodding pedicels; calyx 6-parted, the lobes 

 oblong, obtuse, strongly 1 -nerved, membranous on the margins; capsule 

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



Low ground, Florida, and northward. August- Sept. Stem 8'- 16' 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. i. _ 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, entire or 2-parted. Sandy coast of 

 South Florida (Michaux, Canby). 



16. PACHYSANDRA, Michx. 



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

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

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

 in each 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 loug-petioled leaves, and near the base several thick bracted spikes. 



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

 shady woods. Feb. - March. Flowering stems 1 high. Leaves 3' - 4' long, 

 often discolored. Flowers odorous. 



17. DRYPETES, Vahl. 



Flowers dictcious, apetalous, in axillary clusters. Calyx 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 mauy-bracted flowers. 



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

 somewhat coriaceous, finely veined ; clusters many-flowered, 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. 



28 



