ENGLERS SYSTEM. 
129 
123. Linaceae. 124. Humiriaceae. 125. Erythroxylaceae. 126. Zy- 
gophyllaceae. 
B. As A, but secretory cells, cavities or passages present; in order 
129 only sometimes in pith and cortex. 
N. O. 127. Cneoraceae. 128. Rutaceae. 129. Simarubaceae. 
130. Burseraceae. 131. Meliaceae. 
C. As A, but firs., at least in gynoeceum, obliquely zygomorphic ; 
leaves often opposite. 
N. O. 132. Malpighiaceae. 133. Trigoniaceae. 134. Vochysiaceae. 
D. Fir. regular or zygomorphic with 2 whorls of sta. ; anthers 
opening by pores ; cpls. (2) median. 
N. O. 135. Tremandraceae. 136. Polygalaceae. 
E. Fir. regular or zygomorphic with 1 whorl of sta. ; petals free 
or united ; seed sometimes with caruncle. 
N. O. 137. Chailletiaceae (Dichapetalaceae). 
F. Fir. regular, unisexual, often much reduced; cpls. usually (3), 
each with 2 — 1 ovules. 
N. O. 138. Euphorbiaceae. 
G. Order of doubtful position. 
N. O. 139. Callitrichaceae. 
Cohort 16. Sapindales (as 15, but ovules in the reverse position, 
either pendulous with dorsal raphe and micropyle facing upwards, or 
ascending with ventral raphe and micropyle facing downwards) : 
A . Fir. with one whorl of perianth. 
N. O. 140. Buxaceae. 
B. Fir. heterochlam. , regular; gynoeceum isomerous or pleo- 
merous. 
N.O. 141. Empetraceae. 142. Coriariaceae. 143. Cyrillaceae* 
144. Limnanthaceae. 
C. Fir. heterochlam., sometimes apetalous, always regular ; gynoe- 
ceum rarely isomerous, tending to oligomery. 
N. O. 145. Anacardiaceae. 146. Celastraceae. 147. Aquifolia- 
ceae. 148. Stackhousiaceae. 149. Hippocrateaceae. 150. Icacina- 
ceae. 15 1. Staphyleaceae. 
D. Fir. heterochlam., typically diplostemonous, but with abortion 
of some sta. or cpls., regular or obliquely zygomorphic. 
N. O. 152. Aceraceae. 153. Hippocastanaceae. 154. Sapinda- 
ceae. 
E. Fir. heterochlam., zygomorphic, haplostemonous. 
N.O. 155. Sabiaceae. 156. Melianthaceae. 157. Balsaminaceae. 
Cohort 17. Rhamnales (fir. cyclic, diplochlam., sometimes apetalous, 
haplostemonous with sta. opp. to petals, regular; cpls. (5 — 2) each with 
1 — 2 ascending ovules with ventral raphe) : 
N.O. 158. Rhamnaceae. 159. Vitaceae. 
Cohort 18. Malvales (fir. cyclic, heterochlam., rarely apetalous, 
£ or rarely unisexual, usually regular; K and C usually 5-merous; 
K always valvate ; sta. go or in 2 w horls with the inner divided ; cpls. 
(2 — qo ) each with 1 — 00 anatropous ovules): 
N. O. 160. Elaeocarpaceae. 16 1. Tiliaceae. 162. Malvaceae. 
163. Bombacaceae. 164. Sterculiaceae. 
Cohort 19. Parietales (fir. cyclic or hemicyclic with often 00 sta. 
w. 9 
