ENGLER'S SYSTEM 
127 
unisexual, monoecious; sta. often anteposed to perianth-leaves; cpls. 
(2 — 6) each with 1 — 2 ovules; G; fruit usually nut-like, i-seeded; no 
endosperm; firs, in simple or compound spikes; trees or shrubs): 
N. O. 59. Betulaceae. 60. Fagaceae. 
Cohort 9. Urticales (fir. cyclic, homochlam., rarely naked, usually 
2- merous, rarely 2 + 3, generally regular; sta. anteposed to perianth- 
leaves; cpls. 2 — 1; G with 1 ovule; drupe or nut; firs, usually in 
cymose panicles): 
N. O. 61. Ulmaceae. 62. Moraceae. 63. Urticaceae. 
Cohort 10. Proteales (fir. cyclic, homochlam., usually 2-merous with 
sta. anteposed to perianth-leaves, hypogynous, £ or unisexual, regular 
or not; perianth petaloid; sta. rarely quite free, usually united to perianth 
all but the anthers; G 1) : 
N. O. 64. Proteaceae. 
Cohort 11. Santalales (fir. cyclic, homochlam., with sta. anteposed 
to perianth-leaves, rarely heterochlam., and haplo- or diplo-stemonous; 
G (2 — 3), rarely 1, each cpl. with 1 ovule pendulous from apex of loc. 
or from free-central placenta; sometimes — in order 70 — the ovules and 
placentae are not differentiated, but the embryo-sacs are in the tissue 
filling the interior of the ovary) : 
N. O. 65. Myzodendraceae. 66. Santalaceae. 67. Opiliaceae. 
68. Grubbiaceae. 69. Olacaceae. 70. Loranthaceae. 71. Balano- 
phoraceae. 
Cohort 12. Aristolochiales (fir. cyclic, homochlam., epigynous, 
regular, or zygomorphic ; perianth petaloid ; ovary usually inferior, 
3 — 6-loc. with axile, or i-loc. with parietal, placentae and 00’ ovules): 
N. O. 72. Aristolochiaceae. 73. Rafflesiaceae. 74. Hydnoraceae. 
Cohort 13. Polygonales (fir. homo- or hetero-chlam., regular; G i-loc. 
with 1 erect rarely anatropous ovule, with 2 integuments ; leaves usually 
with ocreate stipules) : 
N. O. 75. Polygonaceae. 
Cohort 14. Centrospermae (fir. acyclic or cyclic, homo- or hetero- 
chlam. , sta. often as many as and opposite to the perianth-leaves, but 
also 00 — 1; cpls. 1 — co usually united ; G (or rarely G) rarely multi-loc., 
generally i-loc. with 1 — 00 campy lotropous ovules; perisperm; embryo 
curved ; mostly herbs) : 
N. O. 76. Chenopodiaceae. 77. Amarantaceae. 78. Nycta- 
ginaceae. 79. Batidaceae. 80. Cynocrambaceae. 81. Phytolaccaceae. 
82. Aizoaceae. 83. Portulacaceae. 84. Basellaceae. 85. Caryo- 
phyllaceae. 
Cohort 15. Ranales (fir. spiral to cyclic, regular or not, homo- to 
hetero-chlam., epi- to hypo-gynous, usually with 00 sta.; cpls. 00 — 1, 
usually free, rarely united): 
N. O. 86. Nymphaeaceae. 87. Ceratophyllaceae. 88. Tro- 
chodendraceae. 89. Ranunculaceae. 90. Lardizabalaceae. 91. 
Berberidaceae. 92. Menispermaceae. 93. Magnoliaceae. 94. 
Calycanthaceae. 95. Lactoridaceae. 96. Anonaceae. 97. Myristi- 
caceae. 98. Gomortegaceae. 99. Monimiaceae. 100. Lauraceae. 
101. Hernandiaceac. 
Cohort 16. Rhoeadales (fir. cyclic, except sometimes the sta., helero- 
