The Popular Science Review: A Quarterly Miscellany of Entertaining and Instructive Articles on Scientific Subjects, Volume 12James Samuelson, Henry Lawson, William Sweetland Dallas Robert Hardwicke, 1873 |
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Página 155
... pistil . We shall , how- ever , on careful examination , see that some of the narrow petals have whitish tips and pollen masses upon them . These are the stigmas , as shown in fig . 10A . The anthers are of similar character , looking ...
... pistil . We shall , how- ever , on careful examination , see that some of the narrow petals have whitish tips and pollen masses upon them . These are the stigmas , as shown in fig . 10A . The anthers are of similar character , looking ...
Página 232
... pistil is single , with a radiately - lobed stigma and an ovary adherent to the perianth , and imperfectly divided into compartments containing a great number of ovules ( fig . 9 ) . The sucker , or cone of attachment , is slowly ...
... pistil is single , with a radiately - lobed stigma and an ovary adherent to the perianth , and imperfectly divided into compartments containing a great number of ovules ( fig . 9 ) . The sucker , or cone of attachment , is slowly ...
Página 338
... pistil enclosed in bracts , the ovary surmounted by from three to five stigmas , the bright crimson threads by which these female flowers are recognised . If one of these crimson threads is placed under an ordinary pocket lens , it will ...
... pistil enclosed in bracts , the ovary surmounted by from three to five stigmas , the bright crimson threads by which these female flowers are recognised . If one of these crimson threads is placed under an ordinary pocket lens , it will ...
Página 341
... pistil and stamens in the same flower arrive at maturity at dif- ferent times may be noticed without difficulty by the most care- less observer . It is only necessary to gather the common rib - grass ( Plantago lanceolata ) to observe ...
... pistil and stamens in the same flower arrive at maturity at dif- ferent times may be noticed without difficulty by the most care- less observer . It is only necessary to gather the common rib - grass ( Plantago lanceolata ) to observe ...
Página 342
... pistil , as represented in a and b , the anthers being in the act of discharg- ing their pollen in b . At a later stage , c , the empty anthers are bent down out of the way of the stigmas , which are even yet not in a receptive ...
... pistil , as represented in a and b , the anthers being in the act of discharg- ing their pollen in b . At a later stage , c , the empty anthers are bent down out of the way of the stigmas , which are even yet not in a receptive ...
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acid American animals anthers apparatus appears Arctocebus arranged Astronomer Astronomer Royal atmosphere Biela's birds body bones carbon carbonic acid cause character Chemical Chimpanzee chlorophyll Cirripedes coal colour comet compared contains Crustacean described diameter Elapida electric existence experiments explosion fact feet flowers fossil fuze genus geological Gibbons gives Gorilla gun-cotton Halley's method heat illustrated inches insects instance interesting Journal Jupiter known latisternal apes Lemur length less light maps matter maxillæ means meteors Microscopical mode Monkeys motion nature nearly object observed obtained Orang orbit ordinary organs paper parasites pass pistil plants plates Pleistocene pollen portion present produced Professor recent remarkable resemblance rocks Royal says scientific seen ship snakes Society species specimens Spider Monkeys stamens structure surface telescope tion torpedoes venomous snakes vessel volume wire XII.-NO