OCCURRENCE AND INHERITANCE OF SEX INTERGRADATION IN PLANTS 33 
Distribution of Sex Forms According to Engler and Gilg 
Monocotyledons 
Order Pandanales 
Pandanaceae: monoecious, dioecious, polygamo-dioecious 
Order Helobiae 
Potamogetonaceae: monoecious, dioecious, hermaphroditic 
Naiadaceae: monoecious, dioecious, hermaphroditic 
Scheuchzeriaceae: monoecious, dioecious, hermaphroditic 
AHsmataceae: monoecious, dioecious, hermaphroditic 
Hydrocharitaceae : monoecious, dioecious, hermaphroditic 
Order Triuridales 
Triuridaceae: monoecious, dioecious, hermaphroditic 
Order Glumiflorae 
Gramineae: monoecious, dioecious, hermaphroditic 
Cyperaceae: monoecious, dioecious, hermaphroditic 
Order Principes 
Palmae: monoecious, dioecious, hermaphroditic 
Order Spathiflorae 
Araceae: Monoecious, dioecious, hermaphroditic 
Order Farinosae 
Flagellariaceae : monoecious, hermaphroditic 
Restionaceae: dioecious, hermaphroditic 
Centrolepidaceae: monoecious, hermaphroditic 
Eriocaulaceae: monoecious, dioecious, polygamous 
Commelinaceae : monoecious, hermaphroditic 
Order Liliiflorae 
Liliaceae: mostly hermaphroditic, dioecious (Smilax, Britton) 
Dioscoreaceae : monoecious, dioecious, hermaphroditic ^ 
Order Scitamineae 
Musaceae: monoecious, hermaphroditic 
Zingiberaceae : monoecious, hermaphroditic 
Marantaceae: monoecious, hermaphroditic 
Order Microspermae 
Orchidaceae: mostly hermaphroditic 
(Cataseteae) : hermaphroditic, monoecious 
Dicotyledons 
Order Piperales 
Piperaceae: monoecious, hermaphroditic 
Chloranthaceae: monoecious, hermaphroditic 
Order Salicales 
Salicaceae: monoecious, dioecious 
Order Myricales 
Myricaceae: monoecious, dioecious 
Order Balanopsidales 
Balanopsidaceae: dioecious 
Order Leitneriales 
Leitneriaceae: dioecious 
Order Batidales 
Batidaceae: dioecious 
Order Julianiales 
Julianiaceae: dioecious 
