Text-book of structural and physiological botany . Fig. 203.—Neuter flower ofCentaurea Cyamis. Fig. 204.—Floral diagram of a cruciferousflower ; k calyx ; b corolla ; s stamens ;St bilocular ovary (see also Fig. 200). while flowers which possess neither pistil nor stamens, as theoutermost flowers of the capitula of the corn blue-bottle,Centaurea Cyanus (Fig. 203), are sterile or neuter. Ifthe same plant bears both male and female flowers, thespecies and the flowers are said to be monoecious) dioecioicswhen the male and female flowers are on different individuals,and hence some individuals are
Text-book of structural and physiological botany . Fig. 203.—Neuter flower ofCentaurea Cyamis. Fig. 204.—Floral diagram of a cruciferousflower ; k calyx ; b corolla ; s stamens ;St bilocular ovary (see also Fig. 200). while flowers which possess neither pistil nor stamens, as theoutermost flowers of the capitula of the corn blue-bottle,Centaurea Cyanus (Fig. 203), are sterile or neuter. Ifthe same plant bears both male and female flowers, thespecies and the flowers are said to be monoecious) dioecioicswhen the male and female flowers are on different individuals,and hence some individuals are male, others female ; whilethose plants in which male, female, and hermaphroditeflowers are all found on the same individual are said to be The External Form of Plants. 113 polygamous. Examples of monoecious plants occur in theoak, walnut, birch, and Callitriche ; of dioecious plants m thejuniper and poplar; of polygamous in the maple, elm, andhorse-chestnut. The centre of a perfect flower is occupied by the pistil,around which are grouped fi
Size: 1593px × 1569px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, bookpublishernewyorkjwileysons
