296 ORDER 113. EUPHORBIACE^. 



34 E. FULGENS. Not spiny ; Ivs. lanceolate, pointed both ways, floral Ivs. scon falling; 

 lobes and appendages of the involucre red and purple. Mexico. 



35 IS. PULCHERRIMA (or Poinsettia). Floral leaves lanceolate, of a brilliant red, lower 

 leaves wedge-oblong, often fiddle-shaped, all pointed. Mexico. 



2. STILLINGIA, Garcl. Fls. <? , in a terminal, dense spike, apetalous, 

 $ Calyx cup-form, lobed and crenulate. Sta. 2 or 3. Fil. exserted, with 



short, 2-lobed anthers. $ Calyx 3-lobed. Style trifid, with 3 diverging, 

 simple stigmas. Capsule 3-lobed, 3-celled, 3-seeded. Plants smooth, erect, 

 with alternate leaves. Fertile flowers at the base of the sterile spike. 

 Bracts of the spike biglandular at base. May Sept. 



1 S. sylvatica L. Herbaceous ; stems clustered ; leaves eubsessile, lance-linear to 



lance-oblong, and obtuse to acuminate, crenate-serrulate ; spikes yellowish, longer 

 than the leaves ; glands cup-shaped, il 8. 1 Of. 



2 S. aquatica Chapm. Shrubby ; stem single ; Ivs. short-stalked, lanceolate, acute, 



sharply serrulate ; spikes shorter than the leaves ; glands peltate. Fla. 3 Of. 



3 S. llgustrina MX. Shrubby; leaves lance-ovate, petiolate, entire ; stipules ovate ; 



spikes shorter than the leaves ; sta. 3. Swamps, S. 6 12f. (Sebastiania, Muller.) 



4 S. sebifera L. Tallow Tree. Tree 30 40f; Ivs. long-petioled, rhomboidal, acumi- 



nate, entire ; fruit rough, blackish, seeds white. S. . (Excoscaria, Mul.) 



3. TRAGIA, Plum. Fls. 8 . Cor. 0. $ Calyx 3-parted. Sta, 2 or 3, 

 distinct. ? Calyx 5- to 6- to 8-parted, persistent. Style 3-cleft. Stig. 3. 

 Fruit 3-lobed, 3-cclled, separating into 3 bivalve, 1-seeded nutlets. U ^ 

 Homely weeds. Lvs. mostly alternate, pubescent, stipulate. Fls. small, 

 racemed. May August. 



1 T. macrocarpa Willd. Slender summits of the branches twining ; Ivs. cordate- 



ovate, acuminate, serrate ; rac. long (34') ; fr. 56". Copses, Ky., and S. 2^f. 



2 T. urticaefolia MX. Erect, hairy, sparingly branched ; leaves deltoid-lanceolate, 



truncate at base, sharp-serrate ; fruit very hairy. Dry. S. 1 2f. 



3 T. innocua Walt. Erect, branched, puberulent ; leaves ovate-oblong, varying to 



linear, coarsely few-toothed or entire. Dry. S. If. (T. urtns L., but it does not 

 sting as Linnaeus supposed.) 

 / 



4. JATROPHA, L. SPURGE NETTLE. Fls. 6> , in forked cymes ; the 



fertile generally in the forks. Calyx colored, imbricate in bud. Corolla 

 present or not. Sta. 10 30, monadelphous. Styles 3, forked. Pod 3-car- 

 pellecl. H Leaves palmi- veined, stipulate. 



J. urenSj /3. stimufbsa Mul. Low, hispid with bristly stings; leaves half 3-5-lobed, 

 cordate, lobes lanceolate, serrate ; sepals white, oval, spreading ; corolla 0. Sandy 

 woods, S. : common. Stings white, 1' long. March July. (Cnidoscolus, Pohl.) 



5. ACALYPHA, L. THREE-SEEDED MERCURY. Fls. 8 , in short clus- 

 ters or little spikes, surrounded by a large cut-toothed bract. Cor. 0. $ 

 Calyx 4-parted. Sta. 8 12, monadelphous, with halved anthers. $ Calyx 

 3-parted. Styles 3, each 2- oo-eleft. Fr. 3 nutlets. Weeds resembling 

 Nettles, with stalked alternate leaves (and J> tropical). Summer. 



1 A. Virginica L. Leaves lance-ovate, obtusely pointed, obscurely serrate, equal 

 ling their petioles (12') ; sterile spikes hardly exserted. Dry. 1.020'. 

 2. K-racillcnla, Leaves narrower, on shorter stalks ; $ spikes exserted. 



