ENGLERS SYSTEM 
129 
Cohort 20. Sapindales (as 19, 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. haplochlam; ovule with 2 integuments. 
N. O. 147. Buxaceae. 
B. Fir. heterochlam. ; cpls. each with 1 ascending ovule, united till 
ripe, with 1 integument. Shrubs. 
N. O. 148. Empetraceae. 
C. Fir. heterochlam. ; cpls. each with 1 hanging ovule, with 2 
integuments, finally separate. Shrubs. 
N. O. 149. Coriariaceae. 
D. Fir. heterochlam. ; cpls. each with 1 ascending ovule with 
1 integument, finally separate. Herbs. 
N. O. 150. Limnanthaceae. 
E. Fir. heterochlam., sometimes apetalous, always regular; gynoe- 
ceum rarely isomerous, tending to oligoinery; shrubs or trees, with 
resin. 
N. O. 15 1. Anacardiaceae. 
E. Fir. heterochlam., regular, with 2 or 1 whorls of sta., G rarely 
isomerous, tending to oligomery. 
N. O. 152. Cyrillaceae. 153. Pentaphylacaceae. 154. Cory- 
nocarpaceae. 155. Aquifoliaceae. 156. Celastraceae. 157. Hippo- 
crateaceae. 158. Stackhousiaceae. 159. Staphyleaceae. 
G. Firs, heterochlam., regular, haplostemonous, G usually reduced 
to 1 fertile cpl. Ovule with 1 integument. Fruit 1 seeded. 
N. O. 160. Icacinaceae. 
H. Fir. heterochlam., typically diplostemonous, but with abortion 
of some sta. or cpls., regular or obliquely zygomorphic ; 2 integuments. 
N. O. 161. Aceraceae. 162. Hippocastanaceae. 163. Sapindaceae. 
/. Fir. heterochlam., sta. opp. petals. 
N. O. 164. Sabiaceae. 
J. Fir. heterochlam., regular, haplostemonous, rarely diplostemo- 
nous, with free anthers. 
N. O. 165. Melianthaceae. 
K. As last but with united anthers. 
N. O. 166. Balsaminaceae. 
Cohort 21. Rhamnales (fir. cyclic, diplochlam., sometimes apetalous, 
haplostemonous with sta. opp. to petals, regular; cpls. (5 — 2) each with 
1 — 2 ascending ovules with dorsal, lateral, or ventral raphe); 
N. O. 167. Rhamnaceae. 168. Vitaceae. 
Cohort 22. Malvales (fir. cyclic, but not always in sta., heterochlam., 
rarely apetalous, $ or rarely unisexual, usually regular; K and C usually 
5-merous; K usually valvate; sta. 00 or in 2 whorls with the inner 
divided ; cpls. (2 — 00 ) each with 1 — 00 anatropous ovules) : 
A. Sepals ± free; anthers dithecous, with pores; mucilage tubes 
wanting. 
N. O. 169. Elaeocarpaceae. 
B. Sepals free, overlapping; sta. enclosed in a cup; anthers 
dithecous with slits; mucilage tubes often present. 
N. O. 170. Chlaenaceae. 
W. 
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