V] VERBASCUM. 1 43 trary, the flowers are minute, and habitually fertilise themselves. The species of Verbascum (Mullein) are showy plants, with either white or yellow flowers, forming a tall spike, which in V. Thapsus reaches a height of four feet. V. nigrum , L. (Fig. 98) has yellow flowers ; the… … insects for the sake of the pollen, and perhaps also on account of the glandular terminations of the violet staminal hairs. The stamens turn somewhat upwards, the pistil, on the contrary, downwards, so that an insect alighting on the lower lip of the corolla, which is the most convenient place,…
Flowers -- Color · Plants -- Variation · Fertilization of plants
Internet Archive · Fisher - University of Toronto · Public domain (published before 1931). Free to use for anything.
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