58 NATURAL ORDERS AND 
Perianth campanulate, three lobed. Sta- 
MENS CiIStiNct......ovcessersevscesscseseses ASARUM, V. 2. Px O74, 
ORDER LXXVI. EMPETREA.—Norr. 
lowers dicecious. Perianth single, free, hypogynous, imbricated 
scales. Stamens equal in number to the inner scales, and alternate 
with them. Anthers roundish, two celled, the cells distinct, bursting 
longitudinally. Ovary superior, seated on a fleshy disk, three, six, or 
nine celled. Ovules solitary, ascending. Style single. Stigma 
radiating, the rays as many as the cells of the ovary. Jruit fleshy, 
seated in the persistent calyx, three, six, or nine celled, the coat of 
the cells bony. Seeds solitary, ascending. Jmbryo taper in the 
axis of the albumen. Radicle inferior.—Small undershrubs, with 
heath-like evergreen leaves, without stipules, and flowers minute in their 
axis. 
GENERA. 
Perianth of six pieces, in two rows. Sta- 
mens three...... Soci onbneegnadassagos aoabde Emperrum, Vv. 3. p. 1276. 
ORDER LXXVIT. EUPHORBIACEA.—Juss. 
Flowers moneecious or dicecious. Male and female flowers in the 
same heads, and surrounded by a monopetalous five-cleft involucre, 
the segments being eutire, or ciliated, outside of which are five glands, 
alternating with the primary segments. Zale flowers numerous, the 
stamens definite or indefinite, distinct or monodelphous, <Anthers 
two celled. Hemale flowers solitary, central, without a perianth. 
Ovary superior, sessile, or stalked, two, three, or more celled. Styles 
equal in number to the cells, sometimes distinct, sometimes com- 
bined, sometimes wanting. Stigmas three, usually bifurcate. Lruit 
generally three celled, the valves dehiscing with elasticity from the 
common axis. Seeds solitary, or twice suspended with an arillus. 
Embryo enclosed in fleshy albumen. Cotyledons flat. Radicle 
superior.—TZ'rees, shrubs, or herbaceous plants, often abounding in 
acrid milky juice. Leaves simple, rarely compound, mostly without 
stipules. Flowers axillary or terminal, with bracts, or with an in- 
volucre. 
GENERA. 
Capsule three celled. 
Stamens fOUL......ccccrccseseseescesascessens Boxus, v. 3. p. 1190 
Stamens ten to thirty-six.................. Eupyorsia, v. 3. p. 1132. 
Capsule two celled .....sscccccseseeseeeeeeeeee MERCURIALIS, V. 3. p. 1291, 
