INDEX 



Camomile, Wild, and Field Daisy 

 at night, 15, 16 



— , and rubbish heap, 2 

 — , Blossoms of, 2 

 — , Details of history of, 3 

 — , Examining flowers of, 5 

 — , Family oi, 2 

 — , Flowers or florets of, 6 

 — , Foliage of, 14 

 , — , Position of white florets 

 during day and night, 15, 16 



— , Seeds of, i 

 , — , Structural details of in- 

 florescence of, 4-6, 11-15 



, , White florets of, 13, 14 



Candytufts, Unsymmetrical flowers 



of, 190 

 Catkins once more handsome flowers, 

 50, 123 



See also Alder, Bee, Hazel, and 



" Palm " 

 Cattleya citrina, 104 

 Cetitaurea Cyanus, 191 

 Christmas Rose, Buttercup origin of, 



177, 178 

 Clematis, Coloured sepals of, 178-180 



, Obsolete nectaries of, 180 



Clover, Dutch, and insect guests, 155 



, , Creeping stems of, 156 



, , Flower-heads of, 151, 155, 



156 



, , Seed pods of, 156 



flowers and bee, 154, 156 



leaves, 86 



, Subterranean, a highly-evolved 



plant, 159 

 , , sowing its seed pods, 157, 



Clovers and Pea-flower family, 150, 

 151 



, Colour of flower-heads of, 154 



, Evolution of, 152, 153, 154 



Coltsfoot and competitors, 107, 112 



and railway cutting, 113, 116 



and soil, 107-109 



and the farmer, 106, 107, no, 117 



, Credentials of, 108 



, Cross-fertilisation of, in 



, Florets of, in 



, Flower-heads of, 106, 108, in, 



112, 114 

 , Flowering stem and scales of, 



no 



guarding its pollen, 112 



leaves and sunlight, 114-116 



and woolly hairs, 116 



, Seeds of, 107, 108, 113 



, Suppression of function of 



ovary of, in 

 , Underground branches of, no, 



"4, "5 

 Columbine, Nectaries of, 182 



Columbine, Stamens and stigmas of, 



182 

 Comfrey, Ligules of, 171 

 Cornflower, Neuter florets of, 191 

 Corn Marigold, 3 

 Cowslip and insect visitors, 77 



, Flower-stalk of, 74, 75 



, Pendulous flowers of, 76 



Crocus family. Evolution of, 168 

 Cryptogamia, 193, i97 

 Cuckoo-pint, 32 

 Cytisus laburnufttj 84, 96 



D 



Daffodil and humble-bee, 169 



, Cross-fertilisation of, 170 



, Evolution of floral crown of, 



170, 171 



family and inferior ovary, 167 



, Evolution of, 167, 168 



, Stigma and pollen of, 169 



Daffodils and Lilies, 166-168 

 Daisies lasting as cut " flowers," 13 



mimicking a single flower, 14 



Daisy, Field, 3 



■ inflorescence and bee, 12-14 



■ tribe's inflorescence, 4 



Darwin and cross-fertilisation, 6 



and flowers of Orchis, 136 



and nectary of Orchis, 141 



and Primrose, 76, 79 



Davallia, Fructification of, 193, 194 

 Delphinium elatum and cross-fer- 

 tilisation, 185, 186 



Dicotyledons, 164, 171, 172 

 Dog-rose, 6, 9, 10 



, Details of flower of, 4 



" Double " flowers, 9 



Elm, Flowers of, 56, 57 



, Seeds of, 48, 57 



Evening Primrose, Pollen tubes of, 55 



Fern, Antheridia of, 196 



, Archegonia of, 196 



, Fructification of Hart's-tongue, 



194 



, Male, 194 



, Prothallus of, 195-197 



, Reproductive parts of, 196, 197 



400 



