78 EUPHORBIACEAE 



2. C, Berlandieri Torr. Shrub 3-8 dm. tall: leaf -blades ovate to oblong, 

 2.5-3.5 cm. long, usually abruptly acute, tlie edges slightly repand and glandu- 

 lar, rounded or subcordate at the base, tonientose above when young, pubescent 

 and paler below: staminate flowers on slender pedicels with 15-20 stamens 

 (30-35 in western forms) : pistillate flowers 2-6 at base of raceme, usually 

 short-pedicelled ; sepals oblong-spatulate with sessile or short-stipitate marginal 

 glands; styles 3, palmately 4-parted or twice 2-parted: capsules globose, 4-5 

 mm. high. — Sandy soil or waste places. Key West. Perhaps introduced from 

 Texas or Mex. 



3. C. arenicola Small. Plant 1.5-4.5 dm. tall: leaf -blades ovate to oblong- 

 ovate, 1-3 cm. long, blunt, coarsely toothed: staminate sepals oblong or oval, 

 acute; petals oblong to oblanceolate : stamens 9-12: pistillate flowers solitary 

 or 2-3 below the staminate; sepals spatulate, accrescent: capsules globose- 

 oval, 4.5-5 mm. long : seeds 3-3.5 mm. long. — Pinelands and sand-dunes. — F. K. 

 — U. S. keys.— [E. K.] 



4. C. glandulosus L. Plant 1 m. tall or less: leaf -blades oblong, varying to 

 oblong-ovate or obloug-lanceolate, or lanceolate, mostly 2-6 cm. long, obtuse, 

 or with an acute apical tooth, serrate or crenate-serrate : staminate sepals ovate 

 to deltoid, acute; petals linear-oblong: stamens 6-11: pistillate flowers clus- 

 tered: sepals linear or nearly so, accrescent: capsules subglobose or oblong- 

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

 shining. — Hammocks and cultivated grounds, L. keys. — [E. K.] — (Cuba, Ant.) 



5. 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, U. S. keys. — [E. K.] — {Ber., Cuba, Ant.) 



7. 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, elliptic, 

 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 and open hammocks, U. keys, L. keys. — 

 [E. K.] 



8. ACALYPHA 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. chamaedrifolia (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 and sandy places, L. keys. — [E. K.] — (Bah., 

 Cuba, Ant.) — Three-seeded mercury. 



9. TKAGIA [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. 



