BOTANY 



N V. 



.; 



I CauytJuiettr. 

 Lryuminotie. 



\yciaffinarea: 



Anther - valve* recurred, 



scaly .... 

 Anther-valve* alit 



Fruit a legume. . . 

 Fniit not a legume 

 Calyx long or tubular 

 Haw hardened 

 Tube hardened 

 Not hardened 

 Stamens embedded 



in *epals . 

 Stamen* not so 

 Ovules erect 

 Ovules |>enduloui 

 Fruit 2-vnlved 

 Fruit iudehis- 



cent . 



Calyx short 

 Leaves with scales 

 Leaves dottv 1 

 Leaves smooth 

 Flower* in invi ilucels Putyyonacea: 

 Flowers naked 



Calyx dry . Anarantactcr. 

 Calyx herbaceous 

 Stamens hy- 

 pogynous . 

 Stamens peri- \Batrllnrar. 



gynous . J 

 Flowers unisexual 



Proteatea. 



Ehraynaeea. 



Aquilariacxr. 

 > Thymclacca. 



Kltraynaeetr. 

 A myridacttr. 



Carpels several, united 

 Ovules numerous 



StameitH columnar . . 

 Ovule* few 



Leave* alternate 



Dotted .... 

 Not dotted . 

 Carpel solitary 



Calyx tubular .... 

 Calyx open 



Carpels several . . . 

 Carpel solitary 



Embryo straight 

 Embryo curved 



1. Stipules present 



Flowers hermaphrodite 



Sepals 2 



Sepals more than 2 



Carpels several, united 

 Stamens hypogynous 



Placentas parietal . , 

 Placentas central 



Calyx valvate ; sta- 

 mens monadelphous 

 Partly sterile 

 All fertile . 

 Calyx valvate ; sta- 

 mens distinct . 

 Calyx imbricated 

 Fruit beaked 

 Not beaked . 

 Stamens perigynous 

 Placentas parietal . 

 Placentas central 



Leaves opposite . 

 Leaves alternate 



ffepenthacea. 

 Xanthoxylacetr. 



Myriiticacea. 

 MenupermacKf. 



Catuarmacta. 

 Chenopodiacea;. 



Portulacaeea. 

 Flacourtiacta. 



Byttntriaeea. 



xterculiacea. 



Geraniacta. 

 Alaljiighiacea. 



Paaijloracca. 

 Cunoniacea. 



Calyx mem- 

 branous 



Carpels solitary or separate 

 Calyx membranous 

 Calyx herbaceous 

 .Styles basal . 

 Sty lea terminal, 1 to an ovary 

 Fruit a legume . 

 Fniit not a legume . 

 Style* terminal, 3 to an ovary 

 Stipule* ochreate. 

 Stipule* simple . 

 Flower* unisexual 



Carpel* several, united 

 Flower* in catkin* 

 Aril present 

 No aril .... 



Seed* numerous 

 Flowers not in catkins 



Ulmacea. 



llltcAracea. 

 Chryiobalanacca. 



I ; > MM 



fiangu iiorlacea. 



Polyyonatea. 

 Phytolatcacta. 



Scepacett. 

 Bftulacta. 

 Lafutemacea. 

 Huphorbiacta. 



Cartel solitary 



Cells of anthers parallel to fiUmcut 

 Kinbryo straight 



Albumen present . . L'rtitacea. 



No albumen . . . Arlocarjiacar. 

 I'.mliryo hooked 



Albumen present . . Muracttr. 



Albumen none . . Cannabitaera: 



Sub-Class, DlCTTOUKXi(I.i:. 



Ovary inferior ....... Diotcorcacttr. 



Ovary superior 



Carpels dutinct ...... TriuriJacar. 



Cr|'l united 



Placentas central 



FliiweM G-|>uti\llecl .... Smilafete. 



Flowers 3-petalled .... Trill incur. 



Placentas below ..... Itujltuniliiacur. 



Placentas ou Uie sides .... Phi'niacae. 



Sub-Class, UYHNOUKKS (Liudlrvl 

 Stem jointed ....... Gnttactr. 



Stem continuous 



Leaves pinnate ...... CycaJaeea. 



Leaves simple 



f Pinarctr. (Coat- 

 Ovules m cones ..... 13 



Ovules solitary ..... Taxacae. 



Class, ENDOGEXS. 

 I. Flowers complete (having distinct Floral Envelopes). 



A. Ovary inferior 



Flowers gynandrous Orckidacea. 



Flowers not gynandrous 



Veins of leaves diverging from the midrib 



Anther 1, with 1 cell .... Maranlaceir. 

 Anther 1, with 2 cells . . . Zingtberactir. 



Anthers 6 or 6 Matacea. 



Veins of leaves parallel with midribs 

 Stamens 3 



Anthers turned outwards . . Iridacta. 

 Anthers turned inwards . . Bnrmanmacc<T. 

 Stamens 6 

 Leaves flat 



Fruit 3-celled; sepals corolla-like 



Radicle remote from hiluin Ilypoxidacta. 

 Hadicle next hilum . . Amaryllidacea. 

 Fruit 3-celled ; sepals cnlyciuo liromeliacttr. 

 Fruit 1 -celled .... Taccacea;. 

 Leaves equitant .... Jf&modoracan. 

 Stamens more than 6 . . . Jlydrocharaceir. 



B. Ovary superior 



Sepals calyx-like or glumaceous 

 Carpels separate, more or less 



Placentas diffused .... Sutomacea. 

 Placentas narrow .... Alitmacca. 

 Carpels in a solid pistil 



Petals distinct from calyx 



Placentas central . . . Commdinaear. 

 Placentas parietal . . . Mayafae. 

 Petals not distinct from calyx 



Flowers scattered . . . Juncacta. 

 Flowers spadicose . . . Uronliacctr. 

 Sepals corolla-like 



Carpels more or less separate 



Seed solitary Palmaccce. 



Seeds numerous 



Anthers turned outwards . . Melanlltactir. 

 Anthers turned inwards 



Parti of flower 6 . . . Butomacea. 

 Parts of flower 2 . . . Pliilydracetr. 

 Carpels combined 



Petals rolled inwards . . . Pontedtracea. 

 Petals not rolled inwards 



Flowers with appendages . . Gilliaiacra. 

 Flowers without appendages . Liltacar. 



II. Flowers incomplete (Floral Knvoluj.is not distinct). 

 A. Flowers in glumes 



Sti'iiiH hollow Oraminacea. 



Stems solid 



Carpel solitary ; seed erect . . . Cyptracta. 

 Carpel solitary ; seed pendulous . . Jtuliacca. 

 Carpels several, distinct 



Glumes only Durauxiicex. 



