Annual report of the United States Geological Survey to the Secretary of the Interior . CYCADACEOUS PLANTS FROM THE TRIAS OF PENNSYLVANIA. LIBRARY PLATE XXX. 20 GEOL, PT 2 •29 449 PLATE XXX. Page. Figs. 1, 2. Cycadeomyelon yorkense Font. n. sp 248 Fig. 2. Transverse section of the trunk showing the markings of Fig. L 450 U. S. G. S. TWENTIETH ANNUAL REPOHT PART II cycadeomy=:lon yorkense, from the trias of Pennsylvania. PLATE XXXI. 451 PLATE XXXI. Page. Figs. 1, 2. Baiera Muensteriana (Presl) Heer? 249 Figs. 3-5. Palissya diffusa (Emm.) Font 250 Fig. 5. Pinnule of Fig. 4, 6
Annual report of the United States Geological Survey to the Secretary of the Interior . CYCADACEOUS PLANTS FROM THE TRIAS OF PENNSYLVANIA. LIBRARY PLATE XXX. 20 GEOL, PT 2 •29 449 PLATE XXX. Page. Figs. 1, 2. Cycadeomyelon yorkense Font. n. sp 248 Fig. 2. Transverse section of the trunk showing the markings of Fig. L 450 U. S. G. S. TWENTIETH ANNUAL REPOHT PART II cycadeomy=:lon yorkense, from the trias of Pennsylvania. PLATE XXXI. 451 PLATE XXXI. Page. Figs. 1, 2. Baiera Muensteriana (Presl) Heer? 249 Figs. 3-5. Palissya diffusa (Emm.) Font 250 Fig. 5. Pinnule of Fig. 4, 6-8. Brachyphyllum yorkense Font. n. sp 251 Fig. 7. Scale-like leaf of Fig. 6, enlarged to show the keel. Fig. 8. Portion of the stem of Fig. 6, enlarged to show the arrangement ofthe scales. Fig. 0. Brachyphyllum yorkense Font. n. sp. ? Small, doubtful fragment 251 452 U. S. GEOLOGICAL SURVEY TWENTIETH ANNUAL REPORT PART II PL. XXXI
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