BENTHAM AND HO O KENS SYSTEM 137 
SERIES VI ACHLAMYDOSPOREAE . Ovary i-loc., 1—3- 
ovuled; ovules not apparent till after fertilisation; seed with endosperm, 
but no testa, adnate to receptacle or pericarp. 
N. O. 150. Loranthaceae. 15 1. Santalaceae. 152. Balanophoreae. 
SERIES VII UNISEX U ALES. Firs, unisexual; ovary syn- 
carpous or of 1 cpl. ; ovules solitary or 2 per cpl. ; endosperm or none; 
perianth sepaloid or much reduced or absent. 
N. O. 153. Euphorbiaceae. 154. Balanopseae. 155. Urticaceae. 
156. Platanaceae. 157. Leitnerieae. 158. Juglandeae. 159. Myricaceae. 
160. Casuarineae. 161. Cupuliferae. 
SERIES VIII ANOAIAIOUS ORDERS . Unisexual orders 
of doubtful or unknown affinities. 
N. O. 162. Salicaceae. 163. Lacistemaceae. 164. Empetraceae. 
165. Ceratophylleae. 
II. Gymnospermae (as in Engler). 
N. O. 166. Gnetaceae. 167. Coniferae. 168. Cycadeae. 
III. Monocotyledones (as in Engler). 
SERIES I. MICROSPERMAE, Inner perianth petaloid; 
ovary inferior with 3 parietal or rarely axile placentae; seeds minute, 
exalbuminous. 
N. O. 169. Hydrocharideae. 170. Burmanniaceae. 171. Orchideae. 
SERIES II EPIG YNAE. Perianth partly petaloid ; ovary 
usually inferior; endosperm abundant. 
N. O. 172. Scitamineae. 173. Bromeliaceae. 174. Haemodora- 
ceae. 175. Irideae. 176. Amaryllideae. 177. Taccaceae. 178. 
Dioscoreaceae. 
SERIES III. CORONA RIEAE. Inner perianth petaloid; 
ovary usually free, superior; endosperm abundant. 
N.O. 179. Roxburghiaceae. 180. Liliaceae. 181. Pontederiaceae. 
182. Philydraceae. 183. Xyrideae. 184. Mayacaceae. 185. Comme- 
linaceae. 186. Rapateaceae. 
SERIES IV. CALYCINAE. Perianth sepaloid, herbaceous 
or membranous; ovary &c. as in III. 
N. O. 187. Flagellarieae. 188. Juncaceae. 189. Palmae. 
SERIES V. N UDIFIORAE. Perianth none, or represented by 
hairs or scales; cpl. 1 or several syncarpous; ovary superior; ovules 
1 — 00 ; endosperm usually present. 
N.O. 190. Pandaneae. 191. Cyclanthaceae. 192. Typhaceae. 
193. Aroideae. 194. Lemnaceae. 
SERIES VI. APOCARPAE. Perianth in 1 or 2 whorls, or 
none; ovary superior, apocarpous; no endosperm. 
N. O. 195. Triurideae. 196. Alismaceae. 197. Naiadaceae. 
SERIES VII. GLUM ACE AE. Firs, solitary, sessile in the axils 
of bracts and arranged in heads or spikelets with bracts; perianth of 
scales, or none ; ovary usually i-loc., i-ovuled; endosperm. 
N.O. 198. Eriocauleae. 199. Centrolepideae. 200. Restiaceae. 
201. Cyperaceae. 202. Gramineae. 
