. Long-styled male. Short-styled male. Ehamxus CATIIARTICUS. (From Caspary.) In the English plants the petals are not so greatly reduced as represented in this drawing. My son ob- served that those males which had their pistils mode- rately well developed bore slighly larger flowers, and, what is very remarkable^ their pollen-grains exceeded by a little in diameter those of the males with greatly reduced pistils. This fact is opposed to the belief that the present species was once heterostyled; for in this case it might have been expected that the shorter- styled plants would have had larger p
. Long-styled male. Short-styled male. Ehamxus CATIIARTICUS. (From Caspary.) In the English plants the petals are not so greatly reduced as represented in this drawing. My son ob- served that those males which had their pistils mode- rately well developed bore slighly larger flowers, and, what is very remarkable^ their pollen-grains exceeded by a little in diameter those of the males with greatly reduced pistils. This fact is opposed to the belief that the present species was once heterostyled; for in this case it might have been expected that the shorter- styled plants would have had larger pollen-grains. In the female plants the stamens are in an ex- tremely rudimentary condition, much more so than
Size: 3966px × 1260px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, bookpublishernewyorkdappletonan
