EUPHOBBIACEAE. 79 



;?/" 1. T. saxicola Small. Plants 0.5-2 dm. tall: leaf -blades suborbicular to 

 broadly ovate, 1-2.5 cm. long, crenate-dentate, finely and sharply many-toothed: 

 staminate calyx 3-3.5 mm. wide; sepals linear to narrowly linear-lanceolate: 

 capsules 7-8 mm. wide, hirsute. — Pinelands, L. keys. — [E. K.] 



10. GYMNANTHES Sw. Shrubs or trees. Leaf -blades entire or toothed. 

 Flowers on a stout rachis, spicate. Staminate flowers with a rudimentary or 

 obsolete calyx and 2 or 3 stamens. Pistillate flowers with a rudimentary calyx 

 and a 3-celled ovary. 



'■ 1. G. lucida Sw. Shrub, or tree becoming 10 m. tall: leaf -blades cuneate to 

 oblong-spatulate, or nearly oblong, 4-10 cm. long, undulate or obscurely toothed 

 near the apex: spikes shorter than the leaves: capsules depressed, about 1 cm. 

 wide. — Hammocks, U. keys, L. keys. — [E. K.] — {Bah., Cuba, Ant.) — Crab- 

 WOOD. J 



/' 11. STILLINGIA Garden. Herbs or shrubs. Leaf -blades entire or 

 toothed. Flowers on a simple succulent rachis. Staminate flowers with 2 or 3 

 sepals and 2 or 3 stamens. Pistillate flowers with 3 sepals and a 2-3-celled 

 ovary. Fruit a capsule. — Queen 's-delight. Queen-root. 



Stem-leaves with linear blades. 1- S. angiistifoUa. 



Stem-leaves with spatulate or oblong-spatulate blades. 2. 8. spathulata. 



1. S. angustlfolia (Torr.) S. Wats. Stems 2.5-6 dm. tall: leaf -blades linear or 

 essentially so, 2-5 cm. long, crenulate-serrulate : spikes 2-4.5 cm. long: cap- 

 sules 5-6 mm. wide. — Sand-dunes, U. S. keys. — [E. K.] 



^' 2. S. spathulata (Muell. Arg.) Small. Stems 3-7 dm. tall: leaf-blades spatu- 

 late to oblong-spatulate, or linear-spatulate on the branches, 7-15 cm. long, 

 crenulate : capsules 7-9 mm. wide.— Sand-dunes, U. S. keys. — [E. K.] 



/^i 12. HIPPOMANE L. Trees. Leaf -blades entire or toothed, pinnately 

 veined. Flowers on a simple rachis. Staminate flowers with 2 or 3 sepals and 

 2 or 3 stamens. Pistillate flowers with 3 sepals and a 6-8-celled ovary. Fruit 

 a drupe. 



S> 1. H. Mancinella L. Tree becoming 18 m. tall: leaf -blades ovate, oblong, or 

 oval, 4-10 cm. long: spikes 4-8 cm. long: drupe spheroidal, 2.5-3.5 cm. broad. 

 — Hammocks, L. keys. — [E. K.]—{Bah., Cula, Ant.) — Manchineel. 



13. RICINUS [Tourn.] L. Herbs, shrubs, or trees. Leaf-blades peltate, 

 palmately lobed. Flowers on a branched rachis. Staminate flowers with 3-5 

 sepals and numerous stamens. Pistillate flowers with caducous sepals and a 

 3-celled ovary. Fruit a capsule. 



-^' ' 1. E. communis L. Shrub 1-5 m. tall or small tree: leaf-blades nearly orbicu- 

 lar, 6-11 lobed, the lobes toothed: capsules 12-16 mm. in diameter. — Pinelands, 

 hammocks, waste places and cultivated grounds, U. keys, L. keys. Nat. of the 

 Tropics. — [E. K.] — {Ber., Bah., Cuba, Ant.) — Castor-oil plant. Castor- 

 bean. Palma-christi. 



14. CNIDOSCOLUS Pohl. Herbs or shrubs, often bristly-stinging. Leaf- 

 blades entire, lobed, or divided. Flowers in forked cymes. Staminate flowers 

 with a corolla-like 5-lobed calyx and 10-30 stamens. Pistillate flowers with a 

 usually 3-eelled ovary. 



1. C. stimulosus (Michx.) A. Gray. Plants 1-12 dm. tall: leaf -blades 8-30 

 cm. broad: staminate calyx with a cylindric tube, and lobes about equal in 



