1 3 o ENGLER'S SYSTEM 
C. Sepals free, seldom overlapping, usually valvate; mucilage 
tubes present. 
N. O. 171. Gonystilaceae. 172. Tiliaceae. 173. Malvaceae. 
174. Bombacaceae. 175. Sterculiaceae. 
D. Sepals united into a dish-like calyx. 
N. O. 176. Scytopetalaceae. 
Cohort 23. Parietales (Hr. cyclic or hemicyclic with often 00 sta. and 
cpls., heterochlam., rarely apetalous, hypo- to epi-gynous; cpls. ± united, 
often with parietal placentae) : 
A. Gynoeceum free on convex or flat axis. Endosperm with oil 
and proteid bodies. 
N. O. 177. Dilleniaceae. 178. Eucryphiaceae. 179. Ochnaceae. 
180. Caryocaraceae. 181. Marcgraviaceae. 182. Quiinaceae. 183. 
Theaceae. 184. Guttiferae. 185. Dipterocarpaceae. 
B. Gynoeceum free on flat axis ; endosperm starchy or none ; petals 
free; sta. in whorls, or if 00 in bundles. 
N. O. 186. Elatinaceae. 187. Frankeniaceae. 188. Tamaricaceae. 
C. Gynoeceum free on flat axis; endosperm oily; petals united. 
N. O. 189. Fouquieraceae. 
D. Gynoeceum free on flat or convex axis; endosperm starchy; 
petals free; sta. 00 not in bundles. 
N. O. 190. Cistaceae. 191. Bixaceae. 
E. As last but endosperm oily. 
N. O. 192. Cochlospermaceae. 193. Koeberliniaceae. 
F. Gynoeceum free on convex or in tubular axis, rarely united 
laterally; endosperm rich, containing oil and proteid grains. 
N. O. 194. Canellaceae. 195. Violaceae. 196. Flacourtiaceae. 
197. Stachyuraceae. 198. Turneraceae. 199. Malesherbiaceae. 
200. Passifloraceae. 201. Achariaceae. 
G. Gynoeceum free in tubular or bell-shaped axis; endosperm with 
oil and proteid grains ; richly branched milk-tube system in all parts. 
N. O. 202. Caricaceae. 
H. Gynoeceum sunk in axis and united with it; endosperm with 
oil and proteid grains, or none. 
N. O. 203. Loasaceae. 
7 . Gynoeceum sunk in axis and united with it; endosperm very 
sparing, with oil and proteid grains; firs, in racemes. 
N. O. 204. Datiscaceae. 
J . As last, but no endosperm ; firs, in dichasia or wickels. 
N. O. 205. Begoniaceae. 
K. Gynoeceum sunk in the axis and united with it, i-loc. with 1 
basal ovule; endosperm ruminate, starchy. 
N. O. 206. Ancistrocladaceae. 
Cohort 24. Opuntiales (flr. hemicyclic, heterochlam., with 00 spiral 
K, C, A, on tubular axis, and 4 — 00 cpls. forming an inferior ovary) : 
N. O. 207. Cactaceae. 
Cohort 25. Myrtijiorae (flr. cyclic, heterochlam., rarely apetalous, 
haplo- or diplo-stemonous, usually regular; axis tubular; G (2 — 00) 
rarely free, usually united to axis; herbs and woody plants with 
alternate or more often opposite or whorled leaves); 
