424 ORDER LXXIII. STYRACE.E. 



Genus XVIII.— SCHWEINIT'ZIA. Ell. 10—1. 

 (From the botanist, Schweinitz.) 



Calyx 5-leaved ; leaves concave, equal with the corolla. Co- 

 rolla campanulate, 5-cleft ; a 5-cleft paracorolla at the base. 

 Stamens 10. Anthers adnate, 1 -celled, opening by pores. 

 Ovary sub-globose, 4 — 5-angled. Capsule 5-celled. 



1. S. odora'ta, (Ell.) An herbaceous, parasitic plant. Scape squar- 

 rose. Flowers terminal, aggregated, sessile, bracteal ; bracts large. — 

 Reddish-white. N. C. In rich, shaded woods. 



Order LXXIII.— STYRA'CE^. (Storax Family.) 



Calyx 4 — 5-cleft, persistent. Corolla 4 — 5-cleft, or as many 

 petaled. Stamens 10, inserted into the tube of the corolla, of 

 unequal length, slightly cohering. Ovary superior, 3 — 5-celled. 

 Style simple. Fruit 1 — 8-celled ; embryo imbedded in the 

 albumen ; cotyledons foliaceous. Shrubs with alternate exstip- 

 ulate leaves. Flowers axillary. 



Genus I.— STY'RAX. Tourn. 15—12. 

 (From sturax, the ancient name of a gum this genus furnishes.) 



Calyx 4 — 5-toothed. Corolla 5-parted. Stamens 10, united 

 at the base, cohering to the tube of the corolla. Drupe coria- 

 ceous, dry. 



1. S. graxdifo'lium, (L.) A middle-sized shrub, with the young 

 branches pubescent. Leaven large, broad-obovate, acuminate, on short 

 petioles, glabrous on the upper surface, hoary underneath. Flowers in 

 simple axillary racemes, peduncles leafy near the base. Calyx tomen- 

 tose. Corolla with expanding oblong segments. Drupe adhering to 

 the calyx, many-celled. — White. ^ . April — May. In rich soils, mid- 

 dle Car. and Geo. 6—12 feet. 



2. S. tulverulen'tum, (Mich.) A small shrub, growing in dense 

 bunches. Leaves oblong, nearly sessile, acute, serrulate, a little hairy 

 on the upper surface, tomentose beneath. Flowers on small lateral 

 branches, axillary, terminal, fragrant. — White. ^. March — April. In 

 pine-barrens. 10 — 18 inches. 



S. S. l.e've, (Walt.) A small shrub, with virgate and slightly genic- 

 ulate branches. Leaves varying in size, lanceolate, acuminate, serrate, 

 thick, glabrous. Flowers in lateral, leafy racemes. Corolla tomentose, 

 Fruit globular, 1-celled. — White. ^ . April. On the margins of 

 swamps. 4 — 6 feet. 



4. S. gla'brim, (Ell.) A shrub, with diffuse spreading branches. 

 Leaves ovate-laiuvolate, acute, finely serrulate, thin membranaceous, 

 glabrous. Flowers in lateral, leafy racemes. — White. ^. April Mar- 

 gins of rivers. Middle Geo. — S feet. 



