. Contributions from the Botanical Laboratory, vol. 11. Botany; Botany. Fig. 3. The appearance of a root hair two minutes after injection of m/1 CaClj showing coagulated area around the pi- pette tip. Fig. 4. Effect of m/1 MgClg two minutes after injection, showing the cytoplasm from the base heaped up in masses distinct from the injected area. not reach the affected region but heaps up in irregular masses behind the injected area (Fig. 4). After 16—20 minutes all the cytoplasm at the tip mixes, and, following this, there is another period of 10—15 minutes before normal streaming is renewed. I
. Contributions from the Botanical Laboratory, vol. 11. Botany; Botany. Fig. 3. The appearance of a root hair two minutes after injection of m/1 CaClj showing coagulated area around the pi- pette tip. Fig. 4. Effect of m/1 MgClg two minutes after injection, showing the cytoplasm from the base heaped up in masses distinct from the injected area. not reach the affected region but heaps up in irregular masses behind the injected area (Fig. 4). After 16—20 minutes all the cytoplasm at the tip mixes, and, following this, there is another period of 10—15 minutes before normal streaming is renewed. III. Vacuolar Injections Injections into the sap vacuole can be made easily and in much larger amounts than into the cytoplasm. The injection of a colored solution shows that diffusion in the vacuole is practically independent of proto-. 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 University of Pennsylvania. Botanical Laboratory; University of Pennsylvania. Morris Arboretum. Philadelphia : [s. n. ]
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