. Contributions from the Botanical Laboratory and the Morris Arboretum of the University of Pennsylvania, vol. 14. Botany; Botany. Fig. 5. A. Loiifjitudinal section through untreated gnll showing diseolorod core at center. B. Similar section of gall tested for tannins showing tlie positive tannin reaction of the core. C. Similar section of gall tested for starches showing the positive starch reaction of the woodv tissues external to the core and the absence of starch from the core Itself. A I'rl A- ⢠>- â¢* ». Please note that these images are extracted from scanned page images that may h
. Contributions from the Botanical Laboratory and the Morris Arboretum of the University of Pennsylvania, vol. 14. Botany; Botany. Fig. 5. A. Loiifjitudinal section through untreated gnll showing diseolorod core at center. B. Similar section of gall tested for tannins showing tlie positive tannin reaction of the core. C. Similar section of gall tested for starches showing the positive starch reaction of the woodv tissues external to the core and the absence of starch from the core Itself. A I'rl A- ⢠>- â¢* ». 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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Keywords: ., bookcentury1900, bookpublisherphiladelphiasn, booksubjectbotany
