STYRACACE.E. (STOKAX FAMILY.) 291 



Synopsis. 



Teibe I. DIAPENSI^. Shrubby. Leaves evergreen. Corolla 5-lobed. Stamens 5, 

 adnate to the tube of the corolla. Anther cells awn-pointed at the base, opening 

 transversely. Flowers solitary. 



1. PYXIDANTHERA. A small creeping evergreen, with white flowers. 



Teibe II. GAL-ACINE^. Perennial stemless herbs, with persistent radical leaves. 

 Stamens 10, those opposite the petals sterile. Anther cells opening lengthwise or 

 transversely. 



2. GALAX. Flowers small, racemed. Anthers opening transversely. 



3. SHORTIA. Flowers large, solitary. Anthers opening lengthwise. 



1. PYXIDANTHERA, Micbx. 



Calyx 3-bracted, .5-sepalous. Corolla bell-shaped, 5-lobed ; the lobes rounded, 

 imbricated in the bud. Stamens broad, adnate to the tube of the corolla: 

 anther cells roundish, awned at the base, opening by a transverse line. Ovules 

 5-8 in each cell. Capsule few-seeded. — A small creeping evergreen, with 

 ascending very leafy branches. Leaves linear, bearded at the base, the upper 

 ones alternate. Flowers solitary, terminal. Sepals oblong, obtuse, ciliate. 

 Corolla small, white. 



1 . P. barbulata, Michx. — Dry pine barrens, North Carolina, and north- 

 ward. April -May. — Stems 3' -6' long. Leaves 2" -3" long. 



2. GALAX, L. 



Calyx 5-sepalous. Petals 5, hypogynous. Stamens 10, united into a 10- 

 toothed tube, the fertile ones shorter, bearing a 1 -celled anther. Stigma 3- 

 lobed. — A smooth perennial stemle.ss herb, erect from a creeping scaly rhi- 

 zoma. Leaves all radical, evergreen, round-cordate, crenate, petioled. Scape 

 (l°-2° high) simple, bearing a long spiked raceme of small white flowers. 



1. G. aphylla, L. — Open woods on the mountains. June -July. — Khi- 

 zoma deep red. 



3. SHORTIA, Gray. 



Calyx 5-sepalous. Petals 5, hypogynous. Stamens 10, separate, the sterile 

 ones small and incurved. Anthers 2-celled, opening lengthwise. Style slen- 

 der. Cap.sule globose. 



L S. galacifolia, Gray. Leaves l'- 2' wide, oval or orbicular, serrate, 

 shorter than the petioles; scape 3' -6' high; corolla 9" wide. — Mountains of 

 North Carolina. April. 



Order 81. STYRACACE^. (Storax Family.) 



Trees or shrubs. Leaves alternate, without stipules. Flowers per- 

 fect. — Calyx 4-8-toothed, or entire, free, or adherent to the 2-5- 

 celled ovary. Corolla hypogynous, or inserted on the calyx, 4 - 8-lobed 

 or 4-8-petalous. Stamens inserted on the base of the corolla, twice 

 as many as its divisions, or more numerous, separate, or monadelphous 

 or polyadelphous at the base. Style single. Fruit capsular or drupa- 



