Perianth simple, lobes or segments 1–2-seriate and often sepaloid, or
small, or wanting.
Series I. =Curvembryeæ.= Endosperm frequently farinaceous. Embryo
curved, excentric, lateral or peripheral, rarely straight. Ovules most
frequently 1 in the ovary, or 1 in each loculus. Flowers ☿, in some
genera unisexual or polygamous. Petals very rare. Stamens equal to the
segments of the perianth, rarely fewer or more.
Order 128. Nyctagineæ.
„ 129. Illecebraceæ.
„ 130. Amarantaceæ.
„ 131. Chenopodiaceæ.
„ 132. Phytolaccaceæ.
„ 133. Batideæ.
„ 134. Polygonaceæ.
Series II. =Multiovulatæ Aquaticæ.= Aquatic herbs, submerged. Ovary
syncarpous; ovules numerous in each loculus or on each placenta.
Order 135. Podostemaceæ.
Series III. =Multiovulatæ Terrestres.= Terrestrial trees or shrubs.
Ovary syncarpous; ovules numerous in each loculus or on each placenta.
Order 136. Nepenthaceæ.
„ 137. Cytinaceæ.
„ 138. Aristolochiaceæ.
Series IV. =Micrembryeæ.= Ovary syncarpous, monocarpous, or apocarpous.
Ovules generally solitary in each carpel, rarely 2 or few. Endosperm
copious, fleshy, or rarely farinaceous. Embryo very minute.
Order 139. Piperaceæ.
„ 140. Chloranthaceæ.
„ 141. Myristiceæ.
„ 142. Monimiaceæ.
Series V. =Daphnales.= Ovary monocarpous, very rarely syncarpous,
with 2–4 loculi; ovules in the ovary or in each loculus, solitary, or
in pairs. Trees or shrubs, very rarely herbs; flowers generally ☿.
Perianth perfect, sepaloid, 1–2 seriate. Stamens perigynous, equal to
the lobes of the perianth, or double unless fewer.
Order 143. Laurineæ.
„ 144. Proteaceæ.
„ 145. Thymelæaceæ.
„ 146. Penæaceæ.
„ 147. Elæagnaceæ.
Series VI. =Achlamydosporeæ.= Ovary unilocular, 1–3 ovules. Ovules most
frequently poorly developed before flowering. Seeds endospermous, but
without testa, either free in the pericarp or attached to its walls.
Perianth generally perfect, sepaloid or petaloid.
Order 148. Loranthaceæ.
„ 149. Santalaceæ.
„ 150. Balanophoreæ.
Series VII. =Unisexuales.= Flowers unisexual. Ovary syncarpous or
monocarpous, ovules in the ovary or in each loculus, solitary, or
in pairs. Endosperm copious, fleshy, or scanty, or absent. Trees or
shrubs, rarely herbs. Stipules generally present. Perianth sepaloid, or
minute, or absent. Styles equal in number to the carpels, not rarely
bifid.
Order 151. Euphorbiaceæ.
„ 152. Balanopseæ.
„ 153. Urticaceæ.
„ 154. Platanaceæ.
„ 155. Leitnerieæ.
„ 156. Juglandeæ.
„ 157. Myricaceæ.
„ 158. Casuarineæ.
„ 159. Cupuliferæ.
Series VIII. =Ordines Anomali.= Anomalous Orders.
Order 160. Salicineæ.
„ 161. Lacistemaceæ.
„ 162. Empetraceæ.
„ 163. Ceratophylleæ.