60 ABTIPICIAL KEY TO THE FAMILIES. 



•• Flowers accompanied by mature leaves. 



f Leaves all radical. 



a. Flowers in dense oval or cylindrical spikes Ribwort family, 274 



h. Flowers in loose clusters or racemes Cabbage family (some), 



111, 115 

 c. Flowers solitary, terminal, unisexual Littorella, 276 



ft Stem more or less clothed with leaves. 



Tkees or Shrubs. 



Growing parasitic upon trees Mistletoe, 3i7 



Growing independently in the earth. 



a. Stamens 2, or casually 3. 



Both calyx and corolla Lilac family, 218 



Calyx only ; coloured, and remarkably hairy . . ..Pimelea, 168 



b. Stamens 4. 



Flowers unisexual, monoecious, minute, and ses- 



sUe Box-tree, 301 



Flowers bisexual. 



Flowers in axillarj', almost sessile clusters. 



Stamens alternate with the petals Holly, 209 



Stamens opposite the petals Buckthorn family, 207 



Flowers in long-stalked corymbs. 



Flowers green ; ovary fi'ee, inside Spindle-tree, 208 



Flowers white; ovary below. Hardy shrubs..Do5'it7O0(f, 348 

 Flowers vermilion, scarlet, or yellow ; ovary 



below. Hot-house plants Cinchonacece (some), 323 



c. Stamens 8. 



Ovary below the flower. 



Leaves opposite Fuchsia, 283 



Leaves alternate Whinberry family, 343 



Ovary free, inside the flower. 

 Flower consisting of calyx only (usually 



coloured) Mezereon family, 167 



Flower with both calyx and coroUa. 



Leaves with transpaient resinous dots Rue family, 165 



Leaves without such dots Heath family (some), 127 



Herbaceous fl&nts. 



Leaves whorled. 



Leaves pectinate ; plant growing in water Water Feathericeed, 284 



Leaves undivided. 



Flower solitary, terminal, largo, and green True-love, 4C8 



Flowers numerous, white, yellow, or pink ; small, and 



usually in panicles Woodruff family, 326 



