ErpiioRniACE.K. 307 



Perianth 4-leaved, hairy. Fertile florcia within the involucre. Perianth 3- 

 Icaveil. 



Q June— Sept. In woods and cultivated lands, common. l'-i-18 in. 



2 A Caroli.mana. Sietn erect, pubescent, striate. Letivcs rhombic-ovate, 

 acuminaif, serrafe, entire at the base, on long petioles. lurolucrt- small, ses- 

 sile, deeply notched. Spikes axillary small, witti the lertile tlowtrs at the base. 

 Q July — Aug. Cultivated lands. 10-20 in. 



Gerus X. EUPHORBIA. 



Moncecious. Involucre cainpaniilatc, 8-10-toothccl, the 

 inner sci;mcnt.s nK'Hibranaceous and erect. Sterile florets ; 

 attacheti to the inside of the involucre. Slamcn 1. Fila- 

 merits articulated in tlie middle. Fertile tlorets solitary, cen- 

 tral, stipulate, naked, ^tigjnas 3, 2-clcrt. Capsule 3 lobed, 

 3 celled. 



1 E CvATHOpnoRA. Somewhat shrubby, glabrous. Leaves alternate, ob- 

 long, petiulatc, slightly toothed, panduritorm, the upper ones red at the base. 

 FUnctTs in terminal clusters. Involucre colored. Capsule smooth, 3-ceUed. 



Ij Through the summer. 2 ft. 



2 E Gramimfoma. Stem erect, branching from the base, finely pubes- 

 cent, small. Leaee* scattered, linear, entire. Flowers fasciculate, terminal. 



On the sea coast of Ga. and Florida. 



3 E Hypericifolia. S^em erect, branchino;, spreading branches, divari- 

 cate- Leaves opposite, oval-oblong, slightly falcate, serrate, 3-nerved, spotted. 

 Flowers ir. terminal corymbs, small. 



August— Sept. Fields. 1-2 ft. 



4 E Macllata. Stem erect, spreading, or decumbent, dichotomously 

 branched, slightly pubescent, usually purple. Leaves opposite on short peti- 

 oles, serrate, oblong, hairy, 3-ncrved, oblique at the base. Flouers axillary, 

 solitary, crowded near the summit, inner segments of the involucre colored. 



Q June — Oct. Cultivated lands. 2-3 ft. 



5 E Depressa. iSfefn procumbent, pubescent, slender, branches alternate. 

 Leaves oval, «ppusite, slightly serrate, unequal at the base, hairy beneath. 

 Flotcers solitary, axillary, clustered towards the summit of the branches. 

 Stipules i at eaijli joint, plumose, inner segments of the perianth while, 4, small. 



© Through the Summer. Cultivated lands, very common. S-l'-J in. 



6 E CoRDiFOUA. Stem prostrate, branching, glabrous, with the branches 

 alternate. Jy-oies unequal, and cordate at the base, oval, entire, glabrous, 

 small. Floic ' - ' iry, axillary, surrounded at the base, with plumose sti- 

 pules, inner s< . of the perianth white. 



O Through the Summer, Cultivated lands. 8-15 in. 



7 E PoLVGOXiFOLiA. Stem procumbent, branching, succulent, glabrou". 

 Leaven oblong-ovate, linear-lanceolate, entire, obtuse. Flowers solitary in the 

 divisions of the stem. Stipules subulate, simple. 



Tj. July— Sept. Sandy soils. On the sea shore. 8 in. 



8 E IpECACi'A.vnA. Stem procumbent, or erect, small glabrous. leaves 

 sessile, varying in lorm from obovaie, lanceolate, to linear, opposite. Floutrs 

 sobtary, axillary, on p>eduncle8 as long as the leaves. Hoot very long. 



^ii April— July — Sandy soils. 



9 E PcBEVTTssiMA. Stem erect, very pubescent, somewhat dichotomous. 

 /-' ' ••. 'iptic, entire, slightly cordate, obtupr. Fl^iwrrs &ol'i- 

 la;. - . le stem, on peduncles about as long as the leaves, 

 interior segments of the involucre white. 



% April — July. Pine barrens. 12-18 in. 



10 E Helioscopia. Stem erect, glabrous, branching. Leaves alternate, 



