EUPHORBIACEAE. 107 



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. F. K. (Bah., Cuba, Ant.) CRABWOOD. 



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. 



Herbs : branches spreading. 



Stem-leaves with linear blades. 1. 8. angustifolia. 



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



Shrub : branches virgate, erect. 3. 8. tenuis. 



1. S. angustifolia (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. Pinelands. F. 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. Pinelands. F. K. 



3. S. tenuis Small. Plants 3-12 dm. tall, with slender virgate stems or 

 branches: blades of the upper leaves narrowly linear, crenulate: spikes mainly 

 red: capsules about 7 mm. wide. Everglades. 



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. % 



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. F. K. (Bah., Cuba, Ant.) MANCHINEEL. 



13. EICINUS [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. R. 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 and waste places. Nat. of the tropics, and cultivated. F. 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-celled 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 

 length: capsule 10-16 cm. long, bristly. Pinelands and coastal sand-dunes. 

 F. K. SPURGE-NETTLE. TREAD-SOFTLY. 



