Order 112.— EUPHORBIACE^E. 629 



Our most delieato species. Lvs. 1 to 2^" long and less, elegantly variegated. 

 Seeds minute, light brown. (E. herniarioides Nutt.) 



2. STILLIN'GIA, Gard. (Named for Dr. Benjamin StilUn<jJleet.) 

 Flowers 8 , in a terminal, dense spike, apetalous ; <$ calyx cup-form, 

 lobed and crenulate ; stamens 2, filaments exserted, with short, 2-lobed 

 anthers; ? calyx 3-lobed; style trifid, with 3 diverging, simple stig- 

 mas; capsule 3-lobed, 3-celled, 3-seeded. — Plants smooth, erect, with 

 alternate lvs. Fertile fls. at the base of the sterile spike. 



1 S. sylvdtica L. St. herbaceous or shrubby at base ; lvs. oval-lanceolate, cuneate 

 at the subsessile base, obtuse at apex, serrulate; spike solitary, simple, with large, 

 cup-shaped glands among the yellowish flowers. — 2[ Sandy soil^, Va. to Fla. and 

 La. St. mostly simple, IS' to 3f high. Lvs. 2 to 3 to 4' long, thick, smooth. 

 Spike 2 to 3' long. May, Jn. 



2 S. ligustrina Mx. Shrubby, branching; lvs. lanceolate, tapering to both ends, 

 very entire, petiolate ; staminate fls. short-pedicelled, 1 to each bract, with 2 

 glands. — In Ga. and Car., margins of streams. Plant 6 to 12f high. — Description 

 compiled from Michaux, Pursh and Nuttall. "We have not seen the plant. 



3 S. sebifera L. Tallow Tree. Arborescent, with very smooth branches, lvs. 

 long-petioled, rhomboidal, acuminate, entire ; sterile fls. very small, many from each 

 involucre; fruit stalked, large (6" diam.) for the genus. — Seacoast, S. Car, Ga. to 

 La. Tree 20 to 40f high. Lvs. as broad as long (2 to 4'), conspicuously pointed. 

 Petioles of equal length. § China. 



3. TRA V GIA, Plum. (From Tragus, an early German botanist.) 

 Flowers 8 ; corolla none ; o calyx 3-parted ; stamens 2 or 3, distinct ; 



? calyx 5 to G to 8-parted, persistent; style 3-clcft, stigmas 3 ; fruit 3- 

 lobed, 3-celled, separating into 3 bivalve, 1-sccded nutlets. — 2f. Herbs 

 (or tropical shrubs), often climbing. Lvs. mostly alternate, pubescent, 

 stipulate. Fls. small, raccmed. 



* Stem twlnins. Leaves cordate, sharply serrate, No. 1 



* Stem erect. — Leaves subcordate at base, acutely serrate No. 2 



—Leaves cuneate or obtuse at base, obtusely serrate or entire Nos. 8, 1 



1 T. macrocarpa "vv'illJ. Reclining, much branched, its slender summits twin- 

 ing, sparsely hirsute; lvs. long-petiolate, cordate-ovate, acuminate, sharply ser- 

 rate; rac. much elongated; fr. large. — Hedges, copses, Ky. (Michaux) to La. 

 (Hale). Sts. 2 to 4f long. Lvs. largo (1 to 3' long), exactly heart-shaped. Fr. 

 nearly half an inch diam. (T. cordata Mx.) 



2 T. urticaefolia Mx. Erect, hirsute, sparingly branched; lvs. ovate-lanceolate, 

 unequally and sharply serrate, subcordate or truncate at base, on short petioles; 

 rac. axillary, elongated ; fr. very hairy ; sds. globular, very smooth, hollow. — S. 

 States, common. Plant 1 to 2f high. Lvs. 2 to 3' long, half to a fourth as wide. 

 Fruit 3" diam. May — Aug. (T. angustifolia Nutt ) 



3 T. urena L. Erect, branched, villous-pubescent ; lvs. obovate-obhng, varying to 

 lance-linear, cuneate at base, subsessile, coarsely few-toothed above, or entire; rae. 

 axillary, bracted, few or many-flowered ; fr. downy. — Dry grounds, Va. to Fla. 

 and Ala. A homely weed, 10 to 15' high, half shrubby, soft downy, and not (as 

 Linnaeus supposed) stinging. Branches mostly simple. Lvs. 1' or more long. i'r. 

 downy, about 4" diam. 



/3. linearis. Lvs. elongated, linear nearly or quite entire. — Ga. to Fla. Seeds 

 usually hollow as in all the varieties. (T. linearifolia Ell.) 



4 T. betonicaefolia Nutt. Much branched from a decumbent base, hairy ; lvs. 

 oval, obtuse at both ends, coarsely crcnate-dentate, short-petioled ; stip. oval, con- 

 spicuous; fls. mostly solitary, opposite to the leaves, pedunculate. — Near N. 

 Orleans (Hale). Plant If high. Lvs. 1' or moro long. 



4. ACAL/YPHA, L. Three-seeded Mercury. (Gr. aKaXfifyrj, the 

 netthj.^ Flowers 8 ; corolla ; £ very small, in short spikes; calyx 4- 



