STYRACACi:^-. (STORAX FAMILY.) 309 



ORni-.R 01. STVKACACE.E. (Storax Family.) 



Shrubs or trees, icith alternate simple leaves destitute of stipules, and per- 

 fect ref/ular flowers ; the cali/x either free or adherent, to the 2 - i>-celkd 

 ovary ; the corolla of i-S petals, commorUi/ more or less united at the base ; 

 the stamens twice as manij as the petals or more numerous, monadelphous or 

 poli/adel/>hous at the base ; style 1 ; fruit dry or drupe-like, 1 - b-celled, the cells 

 commonly \-seeded. — Seeds anatropous. Embryo nearly the length of the 

 albumen : radicle slender, as long as or longer than the flat cotyledons. 

 Corolla hypogynous when tlie caly.x is free : the stamens adherent to ita 

 base. Ovules 2 or more in each cell. — A small family, mostly of warm 

 countries, comprising two very distinct tribes, which arc sometimes sepa- 

 rated as suborders or orders. 



Tribe I. STYRACE.fl5. C;il.vx 4-8-tnotho(l or entire. Stamens 2-4 times as manj 

 as till' petals : anthers linear or oblong, adimt*;, introrse. Ovules or part of tliem asceoiliug 

 — Flowers white, handsome. Pubescence soft auil stellate. 



1. Styrnx. Calyx coherent only with the base of tlie 3-celled ovary. Corolla mostly 5, 



p.irted. Fruit 1-celled, 1-seeded. 



2. Ilalesia. Calyx coherent with the whole surface of the 2-4-celled ovary, which is 2-4, 



winged and 2-4-Cflled in fruit. Corolla 4-lobed. 

 Tribe H. SY.MPLOCINE.E. Caly.x 5-cleft. Stamens usually very numerous: aa 

 tln-rs sliort, innate. Ovul>-s pendulous. -- Flowt-rs yellow. I'ubesceuce simple. 



3. J^yiiiplocoti. Caly.x coherent. PeUils 5, united merely at the base. 



1. ST"^RAX, Tourn. Storax. 



Calyx truncate, somewlmt .o-foothi-d, the base (in our species) coherent with 

 the hii.se of the 3-ccllcd ma)iy-ovuled ovary. Corolla 5-parted (rarely 4-8- 

 parted), larpe ; the lobes mostly soft-downy. Stamens twice as many as the 

 lobes of the corolla : filiiinents tlat, united at the base mto a short tube : anthers 

 linear, adnatc. Frtut j,dobuUr, its ba.se surrounded by the persistent calyx, 

 1-ccllcd, mostly 1-seeded, dry, often .3-valved. Seed jrlobular, erect, with a hard 

 coat. — Shrubs or small trees, with coinniouly deciduous leaves, and axillary or 

 Icafy-raccmed white and showy flowers, on droopini,' peduncles ; produced in 

 spring. Pubescence scurfy or stellate, (ij Srupa^, the ancient Greek name of 

 the tree which produces stouir.) 



1. S. grandifdlia, Ait. Leaves obovatc, acute or pointed, (c//»V^-/ompn/osc 

 l>ei„-iilh (.J'-e' lun-) ; jloivtrs mtstly'ni eluu;i(it>'d racemes ; corolla (J' long) convo- 

 luie-inil.riiatcd in ilic l.ud. — Woods, Virginia and southward. 



2. S. pulverul6nta, Michx. Leaves oval or obovatc (al>out 1' long), 

 above spaihii/li/ i>itl,ciiil<i,t. ti„d friirOf-lomciitoxfi himith ; flowers (^ long) \-3 to- 

 gethr in ihe tirlls and at the tips of the branches, fragrant. — Low pine barrens, 

 Virginia (Pins/,) and .^outlnyard. — Shrub lO-4° high. 



3. S. Americana, Lan^ Leaves oblong, acute at both ends (l -.Tlong), 

 smn>.th,ortHn:lii jni/nmlnit l;^rath : fluircrt arilhiry or in 3-4floitynd rorrmes 

 (^' loii^') ; corolla- valvate in the bud. (S. glabrum and S. lave, £7/.) — Mar- 

 gin of swamps, Viiginia and southward. — Shrub 4° - 8° high. 



