806 BUXACEAE 
Corolla wanting: stamens 4 (in our genus): styles e 
Far 1. BUXACEAE. 
Corolla present or if Bier te A un stamens 
6: ae yles present, or united, rarely 
sin 
Stigmas tufted or many-cleft. Fam. 2. EMPETRACEAE. 
Stigmas entir 
Plant with resin- -bearing tissues. Fam. 3. SPONDIACEAE. . 
Plant not resin-bearing. 
Leaf-blades simple, n veined. 
Each i vity of the ary with a single 
ule, 
Flowers in racemes: fruit a dry 
terete or a winged, coriaceous 
rupe. Fam. 4. CYRILLACEAE. 
Flowers not racemose: fruit a fleshy 
rupe. Fam. 5. AQUIFOLIACEAE. 
Each cavity of the ovary with 2 or more 
ovules. 
Disk ee dtd oe 
p er introrse: seed often 
rilled Fam. 6. CELASTRACEAE. 
ree extrorse: seed not arilled. Fam. 7. HIPPOCRATEACEAE. 
Disk S. corolla wanting. Fam. 8. DODONAEACEAE. 
ids er DIS and palmately veined or 
mpou 
De e oppos site. 
Fruit 
capsular. 
"lowers regular: fruit me 
branous, bladdery 3 lobe d a 
sule: leaf-blades pinnately com- 
ound. Fram. 9. NTAPHYLEACEAE. 
Flowers irregular: fruit a leath- 
ery lobular capsule:  leaf- 
blades digitately compound. Fam. 10. AESCULACEAE. 
Fruit a samara. . Fam. 11. ACERACEAE. 
Leaves alternate, in our species. Fam. 12. SAPINDACEAE. 
Faminty 1. BUXACEAE — Box FaAwILY 
Shrubs, trees, or perennial herbs. Leaves alternate or m ofte 
persistent: blades simple. Flowers monoecious or dioeciou Ea 
several sepals or wanting. Corolla wanting. Androecium T stamens. 
Gynoecium of 2—4 united carpels. Fruit a capsule or a drupe.—About 
6 genera and 35 species, us distributed. 
1. PACHYSANDRA Michx. Herbs with leaves and flowers on separate 
branches. Leaves dede: approximate. Flowers brownish, monoecious, spi- 
eate. Staminate flowers with 4 sepals and 
4 stamens. Bn ate flowers with 4 or more 
sepals and a 3-celled ovary. Capsule 3- 
ied 3 xen Seeds 2 in each cavity. Sev- 
eral species, mostly Asiatie 
P. procumbens Michx. Stem 
obovate, oval ; 
times coarsely toothed: spikes 3-1 g: 
wers musk-scented, the pistillate few at 
the base of spike: outer sepals ovate or 
elliptic, the i broader, 
lpt n 
capsule ubglobose, about 1 em. in diameter, 
each carpel with a a long curyed Bo —( ALLE 
GHENY-MOUNTAIN  SPURGE.) — Rie woods, 
often in calcareous soils, various N W. Fla. to La., Ky., and W. Va. 
—5p 
