STYRACACE^E. (STORAX FAMILY.) 271 



TRIBE II. SYMPLOCINE^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 reflexed lobes, hypogynous or perigynous. 

 Stamens 10, free or adnate 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. Flowers 

 white, in leafy racemes. 



1. S. pulverulentum, Michx. Leaves small (!'- 1^' 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. Pine- 

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

 Racemes l'-2' long. Flowers fragrant. 



2. S. grandifolium, 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 and May. Shrub 4 - 6 

 high. Racemes 3' - 5' long. 



3. S. Americanum, 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. laeve, Ell.) Banks of streams, in the 

 middle and upper districts, Mississippi to North Carolina. May. Shrub 

 4 -8 high. Leaves l'-2' long. Racemes 1' long. 



2. HALESIA, Ellis. SNOWDROP-TREE. 



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

 Corolla inserted on the calyx, 4-lobed 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-winged, 1 - 3-seeded. 

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

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



* Ovary 3-celled : corolla 4-petalous : stamens mostly 8, distinct : drupe 2-wnged. 



1. H. diptera, L. Leaves oval, coarsely serrate, pubescent, 4' - 5' long ; 

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

 spreading; drupe compressed, 1' long. Rich woods, Florida and Georgia. 

 March and April. 



* * Ovary 4-celled: corolla 4-lobed: stamens mostly 12, united below tlie middle: 

 drupe 4-winged. 



2. H. tetraptera, L. Leaves oblong, finely serrate, at length smoothish, 

 2' -4' long; flowers 2-4 in a cluster, 8" -10" long; anthers erect. River- 

 banks, Florida to North Carolina, and westward. March and April. 



