DIGOTYLEDONES— THALAMIFLORiE 



301 



Gapparidacees. 

 Papaveracece. 



BixacecE. 

 NymplicBacecr 



{NymphcFip). 



Sarraceniacecp. 

 Rhi^oholarecp. 



GuttifercB. 



Marcgraaviace<B. 



Gistacece. 



T ernstrcemiacece . 

 PortiflacacecE. 



b. Catpels wholly combined {at least as to the 

 ovaries), with tnore than one placenta; or 

 with a free central placenta. 



Placentas parietal, in distinct lines. 

 Anthers versatile. Juice watery- 

 Anthers innate. Juice milky 



Placentas parietal, spread over the lining of 

 the fruit 



Placentas covering the dissepiments i 



Placentas in the axis. 



Stigma large, broad, and petaloid . 

 Stigma simple. Calyx imbricate. 

 Leaves compound 

 Leaves simple. 



Petals equal in number to the sepals. 

 Seeds few 



Seeds numerous. Petals flat 

 Seeds numerous. Petals crumpled 

 Petals not equal in number to the sepals 

 Styles not perfectly combined 

 Placentas free central 



B. Leaves with stipules. 



a,. Carpels more or less distinct {at least as to 

 the styles). 

 Carpels numerous . Magnolia cecs. 



b. Carpels wholly combined {at least as to the 

 ovaries), ivith tnore than one p>lf^centa. 

 Placentas parietal 

 Placentas in the axis. 



Calyx with an imbricate estivation. 

 Flowers involucrate . 

 Flowers not involucrate 

 Calyx with a valvate sestivation. 

 Stamens monadelphous. Anthers 2-celled 

 Stamens monadelphous. Anthers 1-celled 

 Stamens monadelphous. Calyx irregular, 



and enlarged in the fruit 

 Stamens quite distinct 



2. FiiOWEBS with less than 20 stamens. 

 A. Leaves without stipules. 



a. Carpels tnore or less distinct, or solitary. 

 Anthers with recurved valves . Berberidacece. 



Anthers with longitudinal dehiscence. 

 Albumen abundant, embryo minute. 



Flowers unisexual. Seeds usually nu- 



m.erous . • ■ Lardisabalacei^. 



BixaceiB. 



Chlcenace(S. 

 Gistacece. 



Sterculiacece. 

 MalvacecB. 



Dipteracece. 

 Til 



