THE QUEENSLAND ELORA. 



Class III. MONOCOTYLEDONS. 



Series VI. Apocaepje. — 1 to 2-seriate or wanting. Ovary superior, of one 

 or more distinct 1 or more ovulate carpels. Seed exalbuminons. 



CXLYII. Alismace*;. Flowers hermaphrodite, monceoious or dicecious. Perianth regular, 

 segments 6, 2-seriate, the outer herbaceous inner membranous. Aquatic or marsh plants, 

 leaves most frequently radical. Embryo complicate-hippocrepic. 



CSLYIII. NAiADACEa;. Flowers monoecious, dioecious or hermaphrodite. Perianth regular, 

 segments 2, 3, 4, or 6, herbaceous or wanting. Aquatic or rarely marsh plants, leaves various. 

 Embryo macropodous. 



Series VII. Glumacejs. — Flowers sessile within imbricate bracts or glumes, 

 in heads or spikelets. Perianth none or scarious or glume-like and usually 

 concealed within the bracts. Ovary 1-ovulate or with 1-ovulute cells. Seeds 

 albuminous. 



CXLIX. ERiocAnLE.«;. Flowers unisexual In head, usually androgynous. Perianth segments 

 6 or fewer, small and scarious or hyaline. Ovary 3 or 2-celled ; ovules pendulous. 



CL. CENTKOLEPiDEa;. Flowers hermaphrodite or. polygamous. No perianth. Stamen 1. 

 Ovary of 1 or 2 or more cells; ovule pendulous. Small tufted plants. 



CLI. KE8TIACE.S:. Flowers usually unisexual. Perianth of 6 rarely fewer, glume-like segments 

 usually exceeding the bracts. Stamens 3. Oyai-y 1, 2 or 3-celled ; ovule pendulous. Habit 

 that of the rushes and sedges. Leaf sheaths with free margins. 



CLII. CYPEEAOEa:. Flowers hermaphrodite or unisexual. Perianth none or of small scales 

 or bristles concealed within the bracts, very rarely of 6 glume-like segments. Stamens various. 

 Ovary 1-celled ; ovule erect. Leaf sheaths with the margins connate. 



CLIII. Gbamine.!e. Flowers hermaphrodite or unisexual. Perianth none. Stamens various. 

 Style-branches usually feathery. Ovary 1-celled, ovule erect. Lee.f-sheaths with free margins. 



Class IV. ACOTYLEDONS. 



No real flowers. Fruqtifioation in the Orders mentioned consisting of spore cases enclosing 

 spores. 



CLIV. Lycopoi)iace.s!. Spore-cases sessile in the axils of radical or cauline leaves or bracts. 



CLV. MAESiLEACEa;. No true leaves. Fronds circinnate in vernation; barren ones linear 

 or with a leaf-like lamina, fertile ones forming an urticle or closed involucre including the 

 spore cases. 



CLVI. FiLicEs. No true leaves. Fronds circinnate in vernation (except in OpMoglossea), 

 the fertile ones bearing the spore-cases on their under surface or margins. 



Past VI. B 



