INTRODUCTION. 



ixxiii 



70. 



46. 

 45. 



727. 

 56. 



148. 



53. 

 54. 



HOMALINE.fi. 



Cacti. 



GROSSULACEiE. 



"V~OCHYACE.fi. 



MyrtacejE. 



FlCOIDEiE. 



Memecyleje. 

 Melastomace*. 



LeCYTHIDEjE. 

 PHILADELPHE.fi. 



Escalioneje. 

 Onagrarl.e. 



49. CiBC.fiACE.fi. 



50. Hydrocaryes. 



HIT Ovarium interior. 



Ovarium 1-celled, with parietal placentae. 



Stamens partly sterile. Petals and sepals dissimilar - 51. Loaseje. 



Stamens all fertile. 



Petals and sepals alike. 



Vegetation normal - 



Vegetation succulent ... 



Petals and sepals different - - . 



Ovarium with several cells, and the placenta; in the axis ; or 

 if with only one cell, then with the ovula not parietal, but 

 erect or pendulous. 



Sepals with a spur .... 



Sepals without a spur. 



Leaves with pellucid dots (opposite and entire) 

 Leaves without pellucid dots. 



Embryo lying on the outside of (mealy) albumen 

 Embryo in the axis of the seed. 

 Anthers inflexed in aestivation (long-.) 



Leaves 1-ribbed. Cotyledons convolute, i 

 Seeds few - - ) 



Leaves 3- or more ribbed. Cotyledons fiat, j 

 Seeds numerous - - - ( 



Anthers not inflexed in aestivation (roundish.) 

 Ovula indefinite. 

 Stamens indefinite. 



Seeds without albumen 

 Seeds with albumen 

 Stamens definite. 

 Divisions of the calyx 5 (rarely 4) 

 Divisions of the calyx 4 - 

 Ovula definite. 



Ovula erect - 



Ovula pendulous. 



Stamens equal to the sepals, or 

 fewer. 

 Albumen wanting-. (Cotyle- ) 

 dons unequal) \ 



Embryo in the axis of albumen. 

 Sepals depauperated, with an > 

 open ssstivation - \ 



Sepals imbricated. Ovarium ) 

 half superior - $ 



Embryo minute in the base of 

 albumen. 



Cells of ovarium 2 

 Cells of ovarium more > 

 than 2 - $ 



Stamens some multiple of the sepals. 

 Stipulae present. 



Leaves alternate. 



deciduous) 

 Leaves opposite, 

 interpetiolar) 

 Stipulae absent. 



Cotyledons convolute 



oblong) 

 Cotyledons flat. (Petals linear) 

 ** Apetal*. 



Petals usually absent. 

 V Ovula indefinite. 

 Ovarium with several cells. 



^Estivation of the calyx valvate - 62. Aristolochi*. 



^Estivation of calyx imbricate. 



Flowers regular. Leaves exstipulate. Ovarium 



superior .... 



Flowers irregular. Leaves with large membranous 

 stipulae .... 



Ovarium with 1 cell, and parietal placentas. 



Fruit indehiscent - - . - 63. Cytineje. 



Fruit dehiscent. 



Flowers diclinous or deformed. 



Embryo straight - - - 90. 



Embryo reniform - - - 89. 



Flowers monoclinous. 



Stamens perigynous. Leaves dotted - 71. Samydeaje. 



10 



(Stipulae ) ^ 

 (Stipulae > ro 



(Petals ) g- 



58. 



Halorage*. 



BRUNIACEiE. 



UMBELHFER.fi. 

 Araliaceje. 



HAMAMELIDE.fi. 



Rhizophore.e. 



CoMBRETACEjE. 

 ALANGIE.fi. 



138. 



157. 



Nepenthes. 



BEGONIACE.fi. 



DATISCE.fi. 



Resedace*. 



