292 STYRACACE.E. (STORAX FAMILY.) 



ceous, 1 - 5-celled. Seeds anatropous, mostly solitary in each cell. 

 Embryo nearly as long as the albumen. Cotyledons flat. Radicle 

 slender. 



Synopsis. 



TRIBE I. STYRACEvE. Calyx 4-8-toothed, or entire: stamens 2-4 times as many 

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

 pubescence stellate. 



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



2. HALESIA. Fruit drupaceous, 2- 4-winged, 2- 4-celled. Ovary wholly united with the 



calyx. 



TRIBE II. SYMPLOCINK^E. Calyx 5-cleft: stamens indefinite: ovules pendulous: 

 pubescence simple. 



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



1. STYRAX, Tourn. STORAX. 



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

 deeply 5-parted, with spreading or retlexed lobes, hypogynous or perigyuous. 

 Stamens 10, free or adiiate to the tube of the corolla. Style filiform. Ovary 

 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 (l'-l' long), elliptical or 



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

 lateral, 3 - 7-flowered, often by pairs, hoary; calyx teeth subulate. line 

 barren swamps, Florida and Georgia. April- May. Shrub 2-12 high. 

 Racemes 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 many-flowered 

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

 Florida to North Carolina, and westward. April - May. Shrub 4 - 6 high. 

 Racemes 3' - 5' long. 



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

 smooth; racemes scurfy, not hoary, 4 6-flowered, terminal; calyx teeth 

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

 middle and upper districts. May. Shrub 4 -8 high. Leaves l'-2' long. 

 Racemes 1' long. 



2. HALESIA, Ellis. SNOWDROP TREE. 



Calyx obcouical, slightly 4-8-toothed, adnate to the 3 - 4-celled ovary. 

 Corolla inserted on the calyx, 4-lobed or 4-peta.lous. Stamens 8- 1C, separat- 

 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-winged, 1 -3-seeded. 

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

 lateral racemes, appearing with the leaves, white, drooping. 



* Orary 3-celled : corolla k-petalous : stamens mostly 8, distinct : drupe, 2-wiriged. 



l. EC. diptera, L. Leaves oval, coarsely serrate, pubescent, 4' -5' long; 

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



