Annals of the South African Museum, Volume 22South African Museum, 1928 - Natual history |
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Page 2
... secondary wood are represented . At one side of the specimen a branch was given off , the diameter of the pith of ... secondary xylem . The secondary xylem , in transverse section ( Pl . I , fig . 1 ) , is seen to consist of radially ...
... secondary wood are represented . At one side of the specimen a branch was given off , the diameter of the pith of ... secondary xylem . The secondary xylem , in transverse section ( Pl . I , fig . 1 ) , is seen to consist of radially ...
Page 4
... cell is itself pitted or whether , as in the modern Araucaria , it is unpitted . Arber , 1905 . § Carruthers in Etheridge , 1880 . other structures than those of the secondary wood . In 4 Annals of the South African Museum .
... cell is itself pitted or whether , as in the modern Araucaria , it is unpitted . Arber , 1905 . § Carruthers in Etheridge , 1880 . other structures than those of the secondary wood . In 4 Annals of the South African Museum .
Page 5
... secondary wood is found , it must be given a distinct name . As the result of examining the types of Dadoxylon arberi , Sew . ( D. australe , Arber ) , I am convinced that it is impossible to separate the secondary wood of D. bakeri ...
... secondary wood is found , it must be given a distinct name . As the result of examining the types of Dadoxylon arberi , Sew . ( D. australe , Arber ) , I am convinced that it is impossible to separate the secondary wood of D. bakeri ...
Page 6
... secondary wood which resembles that of our specimens very closely . It has , however , distinctly oblique pores in the bordered pits , and has occasionally six series of pits on the radial walls of the tracheids . It is also noteworthy ...
... secondary wood which resembles that of our specimens very closely . It has , however , distinctly oblique pores in the bordered pits , and has occasionally six series of pits on the radial walls of the tracheids . It is also noteworthy ...
Page 8
... secondary wood remain of what was possibly a much larger stem . Distinct rings of growth are present . Large tangential splits in the secondary wood , with small strands included in them of spiral , thickened elements are an important ...
... secondary wood remain of what was possibly a much larger stem . Distinct rings of growth are present . Large tangential splits in the secondary wood , with small strands included in them of spiral , thickened elements are an important ...
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Common terms and phrases
Anchiopella axial axis Baini Beil belong Bolivia bone Brit Calmonia Cape Univ Ceres characters Chonetes Cladophlebis Clarke Conularia convex Cryphaeus Dalmanites described devon Devonian Feist figs figured Flora Foss fossil frond frontal genal angles genus Geol Ginkgoites glabella granules head-shield Herscheli Homalonotus Ibid internal cast Knod Kozlowski lateral furrows length margin median Modiomorpha Molteno Molteno Beds Neues Jahrb Nuculites oblique Palaeoneilo Paléont Parana parasphenoid Phacops pinnae pinnules pits Plate pleurae pleural lobes posterior preserved Pseudoctenis Pterophyllum pterygoid pygidium rachis radial Reed Rensselaeria resemblance Rhaetic Rhexoxylon Rhinesuchus ribs ring rounded S.A. Mus Salter Sandstone Schwarz segments Seward shell side skull slightly South African Museum species specimen spines Spirifer surface Surv suture Taeniopteris Tapinocephalus TEXT-FIG Thinnfeldia thorax tracheids transverse tubercles Ulrich Upper valve veins venation Walkom width Williams and Breger XXII York State Mus Zeiller