SS9 



BOTANY. 



BOTANY. 



Leaves simple 



Petals equal to sepals 



Seeds few . Cluiacea. 

 Seeds nume- "I 



rous ; petals > Marcgraaviacece. 

 flat . . J 

 Seeds nume- 

 rous ; petals ^ Ciltacece. 

 crumpled 



Calyx little or not at all 

 imbricated 



II. Stamens fewer than 20 (Oligandrous). 



A. Ovary wholly or partly inferior 



a. Stipules present 



Placentas parietal .... 

 Placentas in the centre 



Flowers unisexual .... 

 Flowers hermaphrodite 



Stamens opposite petals . . 

 Stamens alternate with petals 

 Leaves opposite . . . 

 Leaves alternate . . . 



b. Stipules absent 



Placentas parietal 



Flowers unisexual .... 

 Flowers hermaphrodite . , . 

 Placentas in the centre 



Flowers in umbels ; styles 2 . . 

 Flowers in umbels ; styles 3 . 

 Flowers not in umbels 

 Carpels solitary 



Petals strap-shaped; stamens 

 distinct . . . . 



ffomaliaceif. 

 Segoniacea. 

 Rhamnacea. 



Rhizophoracea. 

 Hamamdidacc<r. 



Cucurbitacere. 

 Grotrulacew. 



Vmbellifertt. 

 A raliacece. 



\ Alangiacca. 

 / (Nyitactte.) 



Petals oblong ; leaves hispid 



Cotyledons convolute . Combrctacea. 

 Cotyledons flat . . Haloragacca, 

 Petals oblong ; leaves balsamic Anacardiacat. 

 Carpela divaricating 



Leaves alternate : herbs . Hajifragatefe. 

 Leaves opposite : shrubs . J/ydrangeacece. 

 Carpels parallel, combined 



peteu oppo 



Onagractce. 

 Cornacetr. 



Melattomacca. 

 Myrtacat. 



Calyx valvate ; petals alter- 

 nate with stamens 

 Albumen none . . 

 Albumen copious . . 

 Calyx not valvate 



Stamens doubled . . 

 Stamens curved 



Leaves dotted . . 

 Leaves not dotted 

 Parts of flower 4 



Ovules ascending Onagracete. 

 Ovules pendulous 

 ' Parts of flower not 

 4 ; seeds many 

 Leafy . . 

 Scaly . . 

 Parts of flower not 

 4; seeds few . 

 B. Ovary wholly superior 

 tt. Leaves stipulate 



1. Carpels distinct or solitary 



Anthers with recurved valves . 

 Anthers with longitudinal valves 

 Style from the base of the carpel 

 Style from apex of carpel : 

 fruit a legume . . . 

 Style from apex of carpel ; 1 

 fruit a drupe or capsule . / * 



2. Carpels wholly combined 



Placentas parietal 



Flowers with appendages . 



Flowers without appendages 



Leaves with round and ob- 



long transparent dots . 



Leaven dotlesw. circinate 



when young . . 



ftcaOonacete. 



Monotropacea;. 

 1 

 }*** 



Eerberidacetc. 

 6'A ryiobalanacea. 



PatrijloracecF. 



Leaves dotless, straight 

 when youug ; fruit cap- 

 sular . . . 

 Leaves dotless, straight 

 when young; fruit 

 siliquose . . . 

 Placentas central 

 Styles distinct 



Calyx in a broken whorl . 



Calyx in a complete whorl 



Flowers unisexual . 



Flowers hermaphrodite 



Petals minute . 



Vialaccce. 



Kforingacecc. 



Elatinacece. 



Euphorbincece. 



Jllecebracete. 



s "I 



es ^ 



. J 



Cunoniacece. 



S 1 



| Zyyophylla 



Petals large; stamens 

 perigynous ; leaves 

 opposite 



Petals large; stamens 

 perigynous; leaves > Saxifragacea?. 

 alternate . . J 

 Calyx valvate . . . Tiliaceir. 

 Styles more or less combined, 

 gynobasic 



Gynobase fleshy . . Ochnacea;. 

 Gynobase dry ; leaves 



opposite .. 



Gynobase dry ; leaves 

 alternate 



Fruit beaked . . Gtraniafta. 

 Fruit not beaked . . Ojcalidacefe. 

 Styles more or less combined, 

 not gynobasic 

 Calyx in a broken whorl 



Flowers spurred . . Vochyacea: 

 Flowers not spurred, "I . ,. . 



calyculate . . . / 

 Flowers not spurred, naked Sapindacece. 

 Calyx in a complete whorl 

 Leaves compound ; sepals 



more than 2 

 Leaves simple ; sepals 



about 2 . 

 Leaves simple ; sepals 2 . Porlulacaccce. 

 Calyx valvate or open 



Stamens columnar . Sterculiacetr. 

 Stamens not columnar 

 Stamens opposite petals 



Perigynous . . Xkamnatea: 

 Hypogyuous . Viiacea. 



Stamens alternate with 

 petals 



Anthers porous . Tiliacca. 

 Anthers slit ; petals 1 

 split . . . J 

 Anthers slit ; petals 



undivided . 

 I. Stipules absent 



1. Carpels distinct or solitary 



Anther- valves recurved . . . Bcrberideuxec. 

 Anther-valves longitudinal 



Fruit a legume; radicle next 



hilum ..... 



Fruit a legume; radicle away 



from hilum . 

 Fruit not leguminous 



Carpels with 1 scale . . Cratfitlacete. 

 Carpels with two scales . Francoacea. 

 Carpels without scales 



Albumen abundant ; 

 embryo minute 



Flowers unisexual . Lardizabalacea: 

 Flowers hermaphrodite 



Embryo in vitellus C'abombacem. 

 Embryo naked 



Albumen solid Xanuncwlacea. 

 Albumen ru 



minate 



Albumen small or none 

 Carpels several 



Enclosed . . Calycantltacere. 

 Naked . . Meninpermaceai. 

 Carpels solitary 



Leaves dotted . Amyridacete. 

 Leaves dotless . Anacardiacete. 



2. Carpels combined into a solid pistil 



Placentas parietal 



Stamens tetradynamous . . Cmcifera. 



