106 EUPHORBIACEAE. 



globose or oblong-globose, 4-5 mm. in diameter: seeds 3.5-4 mm. long, mottled. 

 Hammocks and cultivated grounds. F. ~ 



pistillate flowers clustered : sepals linear or nearly so, accrescent : capsules sub- 

 's mm. in diameter: seeds 3.54 : 

 grounds. F. K. (Cuba, Ant.) 



6. C. punctatus Jacq. Plants 5-12 dm. tall: leaf -blades elliptic, oblong, or 

 ovate, 1-5 cm. long, entire or merely undulate: pistillate sepals triangular, 

 nearly equal; stamens normally 12, barely exserted; filaments pubescent: pis- 

 tillate flowers solitary or 2 or 3 together; sepals oblong or cuneate, not 

 accrescent: capsules subglobose, 5-8 mm. long: seeds about 6 mm. long. 

 Coastal sand-dunes. F. K. (Ber., Cuba, Ant.) 



6. DITAXIS Vahl. Shrubs or perennial herbs. Leaves alternate: blades 

 entire or rarely toothed. Flowers inconspicuously bracted. Staminate flowers 

 with 4 or 5 sepals, 4 or 5 petals, and 4 or 5 stamens or more. Pistillate flowers 

 with a perianth similar to that of the staminate, but with smaller or rudi- 

 mentary petals, and a 3-celled ovary. 



1. D. Blodgettii (Torr.) Pax. Plants 1-6 dm. tall: leaf-blades oval, i-lliptio, 

 or oblong, or those of the lower leaves spatulate, 1.5-4 cm. long: staminate 

 calyx 7-8 mm. wide; sepals lanceolate; petals broadly oblong, shorter than the 

 sepals: mature pistillate sepals lanceolate to linear-lanceolate, 5-6 mm. long: 

 capsules 4-5 mm. wide. Pinelands. F. K. 



7. CAPEBONIA St. Hil. Herbs or partly woody plants. Leaves alter- 

 nate: blades toothed. Flowers monoecious or rarely dioecious, in elongate 

 racemes. Staminate flowers approximate, with 5 unequal sepals, 5 petals, and 

 10 stamens. Pistillate flowers separated, with 5 sepals, 5 smaller petals than 

 in the staminate, and a 3-celled ovary. 



1. C. castaneae folia (L.) St. Hil. Plants 1 m. tall or less, with spreading or 

 decumbent branches: leaf -blades obovate, oblong, oval, oblong-lanceolate, or 

 ovate, mostly 2-6 cm. long, rather coarsely toothed: larger staminate sepals 

 about 2.5 mm. long: petals obovate, 3-3.5 mm. long: capsules depressed, 6-7 

 mm. wide: seeds globose, about 3 mm. in diameter. Everglades. (Cuba, Ant.) 



8. ACALTPHA L. Herbs or shrubs. Leaf-blades entire or toothed. 

 Flowers conspicuously bracted. Staminate flowers with 4 sepals and 8-16 

 stamens. Pistillate flowers with 3-5 sepals and a 3-celled ovary. 



1. A, chamaedri folia (Lam.) Muell Arg. Stems or branches mostly prostrate, 

 5-30 cm. long: blades of the upper leaves ovate to oblong-lanceolate, 7-20 mm. 

 long, crenate-serrate: larger bracts 4-6 mm. long, toothed: capsules nearly 2 

 mm. in diameter. Pinelands. F. K. (Bah., Cuba, Ant.) THREE-SEEDED 



MERCURY. 



9. TBAOIA | Plum.] L. Herbs or shrubs. Leaf-blades entire, toothed 

 or lobed. Flowers on a slender rachis, racemose. Staminate flowers with 3-5 

 sepals and 1-3, or rarely more, stamens. Pistillate flowers with 3-8 entire or 

 pinnatifid sepals and a 3-celled ovary. 



Leaf- blade* broad, closely harp-toothed: Inflorescence short. 1. T. taticola. 



Leaf-blade* narrow, undulate or rarely with few remote teeth: 



inflorescence elongate. 2. T. Unrarifolta. 



1. T. saxlcola Small. Plants 0.5-2 dm. tall: leaf -blades suborbicular to 

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

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

 capsules 7-8 mm. wide, hirsute. Pinelands. F. K. 



2. T. linearifolia Kll. Plants 1-5 dm. tall: leaf blades linear, 3-12 cm. long, 

 undulate: staminate calyx 3-3.5 mm. uil-: mature pistillate calyx 5 mm. 

 wide; sepals ovate: capsules 7-8 mm. wide, strigillow. Pinelands. 



