I'DL' STYUACACE.K. (STOUAX FAMILY.) 



ceoiis, 1-5-celled. Seeds anatropoiis, mostly solitary in each cell. 

 Embryo nearly as long as the altnimen. Cotyledons Hat. Kadicle 

 slender. 



Synopsis. 



Tribe I. STYRACKyE. Calyx 4-K-tootli<'<l, or entire: staiuenfl 2-4 times as many 

 as the divisions of the corolla : ovules partly erect or spreading, and partly pendulous : 

 pubescence stellate. 

 1. STYR.W. Fruit capsular, 1-celled. Ovary free from the calyx, or partly adherent. 

 •2. H.\LESIA. Fruit drupaceous, 2- 4-winged, 2- 4-celled. Ovary wholly united with the 

 calyx. 

 Tribb II. SYMPLOCINKiE. Calyx 5-cleft: stamens iudefluite : ovules pendulous: 

 pubescence simple. 

 3. SYMPLOCOS. Flowers in sessile clusters. Fruit baccate. 



1. STYRAX, louni. Storax. 



Calyx 5-8 toothed, free, or partly adherent to the 3-eclled ovary. Corolla 

 deeply .'S-parted, witli sj)readiiig or reflexed lobes, hypogyuou,s or i)erigyuous. 

 Stanieus 10, free or aduate to tiie tube of the corolla. Style filiform. (Jvary 

 completely or partly 3-celled. Capsule globose, 3-valved, 1-seeded. — Shrubs, 

 with a downy or scurfy stellate pubescence. Leaves entire or toothed. Flow- 

 ers white, in leafy racemes. 



1. S. pulverulenta, Michx. Leaves small (T- 1^' long), elliptical or 

 obovate, entire or tiwthed, the lower surface and branches scurfy ; racemes 

 lateral, 3 - 7-flowered, often by j)airs, hoary ; calyx teeth subulate. — IMue 

 barren swamps, Florida and Georgia. April- ]\Iay. — Shrub 2°-12° high. 

 Kacemes l'-2' long. Flowers fragrant. 



2. S. grandifolia, Ait. Leaves large (2' -4' long, oval or obovate, 

 acute, mostly entire ; the lower surface, like the branches and man^'-flowered 

 racemes, hoary ; calyx furrowed, with triangular acute teeth. — Kich woods, 

 Florida to North Carolina, and westward. A])ril - May. — Shrub 4°- 6° high. 

 Racemes 3' - 5' long. 



3. S. Americana, Lam. Leaves thin, obovate, or oblong-obovate, acute, 

 smur)th ; racemes scurfy, not hoary, 4-6-flowered, terminal; calyx teeth 

 short, subulate. (S. glabrum and S. licve. Ell.) — Banks of streams, in the 

 middle and upper districts. May. — Shrub 4°-8° high. Leaves r-2' long. 

 Racemes 1' long. 



« 

 2. HALESIA, Ellis. Snoworop Tree. 



Calyx obconical, .sliglitly 4-8-toothed, adnate to the 3-4-celled ovary. 

 Corolla in.«erted on the calyx, 4lobed or 4-petalous. Stamens 8- 16, separate 

 or united below, free from the corolla : anthers linear. Ovules 4 in each cell, 

 2 of them erect, and 2 pendulous. Drupe dry, 2-4-wiuged, 1 -3-seeded. 

 Seeds cylindrical. — Shrubs or small trees. Leaves ample. Flowers in short 

 lateral racemes, ap])earing with the leaves, white, drooping. 



* Ovary 3-rellecI : corolla 4-petaloiis : stamens 7noslli/ 8, distinct : drupe '2-ivinged. 



1. H. diptera, L. Leavesoval, coarsely serrate, pubescent, 4'- 5' hmg; 



racemes 2 -4-flowered, the flowers on long pedicels ; corolla 1' long ; anthers 



