lxxi\ 



INTRODUCTION. 



Stamens hopogynous, unilateral 

 HIT Ovula definite. 



Their point of attachment at or near the apex of the cell. 

 Valves of the anthers curling upwards 

 Valves of the anthers bursting- longitudinally. 

 Ovaria several, distinct in each calyx 

 Ovaria single, sometimes lobed or spiked, dicli- 

 nous. Ovula two or more in each cell. 

 Flowers amentaceous. 

 Ovarium inferior. Albumen 

 Ovarium superior. Albumen fleshy 

 Flowers collected upon a fleshy receptacle. ) 

 Ovula always single in each cell - \ 

 Flowers (solitary,) with loose inflorescence. 

 Ovarium 4-celled 

 Ovarium 2-celled, indehiscent 

 Ovarium 3- or many-celled 

 Ovarium 1-celled. 

 Calyx many-parted 

 Calyx tubular. 

 Calyx superijr 

 Calyx inferior. 

 Fruit 2-valved 

 Fruit indehiscent. 



Leaves with stipula: 

 Leaves without stipula;. 

 Flowers naked 

 Flowers in an in vol u- j 

 cellum - - J 



Their point of attachment at or near the base of the cell. 

 Valves of the anthers curling upwards 

 Valves of the anthers bursting longitudinal. 

 Calyx superior - 



Calyx inferior. 



Stamens combined in a cylinder 

 Stamens distinct. 



Embryo a homogeneous solid mass - 

 Embryo with distinct radicle and cotyledons. 

 Radicle at the end remote from the hilum. 

 Stipula; distinct - 

 Stipula; ochreate - 

 Radicle next the hilum. 



Stamens hypogynous 



Stamens perigynous. 



Calyx tubular. 



Embryo curved round albumen 

 Embryo straight. 



Stamens opposite the sepals 

 Stamens alternate with the ' 



161. Lacistemeje. 



21. 

 19. 



82. 

 81. 



La URINES. 



Monimeieje. 



Cupuliferje. 

 Stilagineje. 



80. Artocarpeje. 



61. 

 79. 



165. 



64. 



67. 



72. 



65. 

 66. 



20. 

 87. 

 14. 

 61. 



78. 

 156. 



Penjeace^ (bis.) 

 Ulmace.e. 



EuPHORBIACEjE. 



Ceratophylleje. 



Santalaceje. 



Aquilahineje 



Sanguisorbeje 



Thymeljeje. 

 Hernandieje. 



Atherospermeje. 



JuGLANDEiE. 



JMyristice*. 

 Pen^ac (bis.) 



URTICE.E. 

 PoLYGONEjE. 



158. Nyctagieje. 



152. 



60. 

 59. 



SCLEHANTHEJE. 



PROTEACE.E. 

 EL2EAGNE2E. 



Calyx of several leaves, or deeply 

 divided. 



Embryo without albumen - 155. Petiveraceje. 

 Embryo curved round albir'ien. 

 Stamens opposite the sepals. 



Albumen mealy - 154. PhytolaccejE. 

 Stamens alternate with the 

 sepals. 

 Calyx scarious, bracteo- j m Amabantacm . 



Calyx herbaceous,ebrac- 

 teatc 

 Embryo in the axis of fleshy albumen 91. Empetre.e. 



153. Chenopode^e. 



*** AcHLAMYDEjE 



Cahjjo and corolla both absent, at least in Ike pistilliferous floivcrs 



Ovarium 2- or more-celled; or if 1-celled, with 2 placenta;. 

 Seeds indefinite. 



Flowers solitary . . - ltj3. Podostemeje. 



Flowers amentaceous - - 84. Salicineje. 



Seeds definite. 



Seeds pendulous - - - 83. Betuline*. 



Seeds peltate - - 164. Calmthiciune.e 



