. Fossil plants : for students of botany and geology . Paleobotany. 146 CONIFEEALES (RECENT) [CH. CUPBESSINEAE. The absence of resin-canals in the xylem is a feature shared by other families; but in the occurrence of xylem-parenchyma in different regions of the wood the Cupressineae differ as a rule from the Abie- tineae, though this is not a constant distinguishing character. The pits in the field vary from 1 to 6 or 8 in some genera, , Taxodium and Glypto- strobus^: Gothan^ applies the term Cupressoid to medullary-ray pits character-. FiG. 698. Araucariu exceha. A, Mature form. B, Seedli
. Fossil plants : for students of botany and geology . Paleobotany. 146 CONIFEEALES (RECENT) [CH. CUPBESSINEAE. The absence of resin-canals in the xylem is a feature shared by other families; but in the occurrence of xylem-parenchyma in different regions of the wood the Cupressineae differ as a rule from the Abie- tineae, though this is not a constant distinguishing character. The pits in the field vary from 1 to 6 or 8 in some genera, , Taxodium and Glypto- strobus^: Gothan^ applies the term Cupressoid to medullary-ray pits character-. FiG. 698. Araucariu exceha. A, Mature form. B, Seedling. (Jnat. size.) ised by an upper and lower border (fig. 693, H) but, as pointed out on a previous page, the position of the pore is by no means constant and in Taxodium the ray pits are fairly large and almost simple. Cupre^sus and Chamaecyparis. By Beissner^ and many other authors both names are used in a generic sense, though Masters regards Chamaecyparis as a subsection of Cupressus. One distinguishing feature is the presence of more 1 Kleeberg (85). '- Gothan (05) p. 47. ^ Beissner (91).. 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 Seward, A. C. (Albert Charles), 1863-1941. Cambridge : University Press
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