No summary available.
No summary available.
No summary available.
No summary available.
No summary available.
No summary available.
No summary available.
No summary available.
No summary available.
[Outline sketches of pollen from long- and short-styled yellow cowslips and from a red cowslip.]
Has drawn all three forms of primroses CD sent "with same result". Has found no pink variety with middle style.
Sends drawings of the pollen from Chinese Primula plants with styles and pistils of different lengths; observations on sizes and condition of their pollen.
Observations on [length of style and length of filament and stigmas of] Pulmonaria.
CD is right about variability [of Pulmonaria]. Encloses observations and diagrams of additional plants.
[Outline sketches of pollen from long- and short-styled yellow cowslips and from red cowslip, magnified 350x.]
Instructions on measuring pollen of dimorphic plants.
Thanks WED for measuring cowslip pollen. Sends dimorphic flowers.
Experiment instructions.
Diagrams of short- and long-styled Pulmonaria under magnification.
Observations on style length of 150 flowers of Pulmonaria [angustifolia]. [See Forms of flowers, p. 105.]
Discusses WED’s observations on polymorphic flowers.