Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 690
are those of the Pelar-gonium, of which a small portion is represented in fig. 506. The dif-ferent portions of this petal—when it has been dried after strippingit of its epiderm, immersed for an hour or two in oil of turpentine, andthen mounted in Canada balsam — exhibit a most beautiful varietyof… … 644 MICROSCOPIC STRUCTURE OF PHANEROGAMIC PLANTS This method of preparation, however, does not give a true idea ofthe structure of the cells ; for each of them has a peculiar mammil-lary protuberance, the base of which is surrounded by hairs ; andthis it is which gives the velvety appearance to the…
Microscopy
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