. Contributions from the Botanical Laboratory, vol. 11. Botany; Botany. ? - -? - - 3^ 5i> pH. - - Fig. 6, 7. Fig. 6 (left). Mobility curves of latex particles from the section Diacan- thium. Fig. 7 (right). From the section Tithymalus, sub-section Decussatae. 's (pH and pH respectively). E, grandicornis gives a medium protein reaction while the reaction of E. grandidens is low. Section XXII. Tinicalli E. tirucalli L., the sole member investigated in this group, gave a curve peculiar to itself. It has a relatively low LP. at pH (fig. 3). Its prot
. Contributions from the Botanical Laboratory, vol. 11. Botany; Botany. ? - -? - - 3^ 5i> pH. - - Fig. 6, 7. Fig. 6 (left). Mobility curves of latex particles from the section Diacan- thium. Fig. 7 (right). From the section Tithymalus, sub-section Decussatae. 's (pH and pH respectively). E, grandicornis gives a medium protein reaction while the reaction of E. grandidens is low. Section XXII. Tinicalli E. tirucalli L., the sole member investigated in this group, gave a curve peculiar to itself. It has a relatively low LP. at pH (fig. 3). Its protein content was low. Section XXVI. Tithymalus § I. Decussatae E. lathyris L. gives a strong protein reaction and also strong color reac- tions with iron. Molisch (1901) and Douin (1930) mention the presence of tannins in this form. In this respect it was unique among all the plants in- vestigated. Its LP. lies at pH See figure 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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