. Experiments with plants. Botany. sow PLAX'J'S AKE INFLIMNCKD .^29 All these features are very characteristic of desert plants; in fact, the whole appearance and behavior of this plant reminds one of a Cactus. On the other hand, \vc may, Ijy growing a Cactus in the dark, with abundant moisture, cause the spines to grow out into succulent, leaf-like organs. Fig. 181 shows a sprout which has grown from a Prickly Pear under these conditions. It will be noticed that the sprout appears cylin- drical, and that in its whole appearance it is more like an ordinary plant than is the Potato plant shown
. Experiments with plants. Botany. sow PLAX'J'S AKE INFLIMNCKD .^29 All these features are very characteristic of desert plants; in fact, the whole appearance and behavior of this plant reminds one of a Cactus. On the other hand, \vc may, Ijy growing a Cactus in the dark, with abundant moisture, cause the spines to grow out into succulent, leaf-like organs. Fig. 181 shows a sprout which has grown from a Prickly Pear under these conditions. It will be noticed that the sprout appears cylin- drical, and that in its whole appearance it is more like an ordinary plant than is the Potato plant shown in Fig. 179. This sprout was obtained by taking a joint of Prickly Pear which was preparing to sprout, placing it in a pot of sand, and set- ting this inside a closed box to exclude the light. It was watered frequently, and in the course of about two months produced the sprout shown in the figure. We believe that the ancestors of the Cactus had. 181. Sprout of Prickly Pear grown in the dark, showing leaf-like Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Osterhout, Winthrop John Van Leuven, 1871-. New York, The Macmillan company; London, Macmillan & co. , ltd.
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisher, booksubjectbotany
