Annals of the South African Museum, Volume 22South African Museum, 1928 - Natual history |
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Page 2
... side of the specimen a branch was given off , the diameter of the pith of which is 2 mm . The pith of the main axis consists of large , isodiametric , thin - walled cells , with occasional long , secretory elements ( the longest ...
... side of the specimen a branch was given off , the diameter of the pith of which is 2 mm . The pith of the main axis consists of large , isodiametric , thin - walled cells , with occasional long , secretory elements ( the longest ...
Page 7
... side of the bordered pit without any indication of a torus in the intervening space . I am therefore convinced that the round pore is an original feature of the bordered pits in this wood , which is in places very per- fectly preserved ...
... side of the bordered pit without any indication of a torus in the intervening space . I am therefore convinced that the round pore is an original feature of the bordered pits in this wood , which is in places very per- fectly preserved ...
Page 10
... side the development of secondary xylem attains its maximum development . There are indications of stone cells , or secretory cells , associated with the trace . The pith is poorly preserved . In transverse section various struc- tures ...
... side the development of secondary xylem attains its maximum development . There are indications of stone cells , or secretory cells , associated with the trace . The pith is poorly preserved . In transverse section various struc- tures ...
Page 11
... side next to the protoxylems of the centri- fugal secondary wood . These larger tracheids might conceivably represent primary tissue ; on the other hand , there is a continuous . series of secondary tracheids in series with the larger ...
... side next to the protoxylems of the centri- fugal secondary wood . These larger tracheids might conceivably represent primary tissue ; on the other hand , there is a continuous . series of secondary tracheids in series with the larger ...
Page 30
... side flattened , composed of 5 transverse series of plates of unequal side more or less regularly arranged in 4 vertical rows ; the lowest series comprises a pair of long subrectangular median basals and a pair of narrower subtriangular ...
... side flattened , composed of 5 transverse series of plates of unequal side more or less regularly arranged in 4 vertical rows ; the lowest series comprises a pair of long subrectangular median basals and a pair of narrower subtriangular ...
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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