. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. Abies religiosa, X 2. Pityolepis durleyensisy X 2. feature \nAbies, is less obvious in Picea, and is slightly marked in Pseudutsuga. The emarginate or notched upper edge is a common characteristic of Picea. The irregularly crenulate or serrate margin is characteristic of both Abies and Picea, and of some species of Pseudotsuga—e. g., Ps. douglasii. The ascending angular sinus found on one side of the basal stalk portion in Pityolepis durleyensis is present in recent species of
. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. Abies religiosa, X 2. Pityolepis durleyensisy X 2. feature \nAbies, is less obvious in Picea, and is slightly marked in Pseudutsuga. The emarginate or notched upper edge is a common characteristic of Picea. The irregularly crenulate or serrate margin is characteristic of both Abies and Picea, and of some species of Pseudotsuga—e. g., Ps. douglasii. The ascending angular sinus found on one side of the basal stalk portion in Pityolepis durleyensis is present in recent species of Abies, which show either one sinus onl}'^ or one on either side of the scale-stalk, in which case one sinus is usually more pronounced than the other. A short blunt angular sinus is present in Pseudotsuga japonica. A sinus on one side ol: the scale is present in some species of Picea (e. g., P. engelmanii), and is present or absent in P. pungens. The recent species of Abies show a stalk, as distinct from the expanded portion of the scale. The. 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 London, Taylor and Francis, Ltd
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