Report upon the forestry investigations of the of agriculture1877-1898 . Radial Sections of Pinus t/eda and tangential Sections of Pinus palustris and echinata. , mediillafy raj-s; fj-., tracheitis: p., parenchyma of the rayy , simple pit: b. p., bordered pit; c. ir., .4 and B, Pinus t.^da. Radial sections; , common , tangential sections. C, Pinus PALUSTRIS. Left-hand part in spriugwood, right-band portion in , Pinus echinata. D, section in sprin^wood; a-c. medullary rays; a, a small ray composed of tracheids only; c, a triple ray; d, bordered pit showi
Report upon the forestry investigations of the of agriculture1877-1898 . Radial Sections of Pinus t/eda and tangential Sections of Pinus palustris and echinata. , mediillafy raj-s; fj-., tracheitis: p., parenchyma of the rayy , simple pit: b. p., bordered pit; c. ir., .4 and B, Pinus t.^da. Radial sections; , common , tangential sections. C, Pinus PALUSTRIS. Left-hand part in spriugwood, right-band portion in , Pinus echinata. D, section in sprin^wood; a-c. medullary rays; a, a small ray composed of tracheids only; c, a triple ray; d, bordered pit showing the membrane in place. E. section in summerwood; a, bordered pit, other letters as in A and of originals, ^J; of illustrations: .4 and B, -f; C-E, ^ Tangential Sections of Pinus t/eda, heterophylla, and glabra. A, PiNCS HKTEROPHYLLA. Radial and tangential sections of a transversethe medullary ray; p., parenehynia cells of the same B-ff, PlNUS RLADRA. S - ~ 0-G, tangential o^v^wwuo ^^i ...^«v*—j .„^^,-,- . H, Pinus tjuda. Tangential sections of medullary rays m oprmg and summer magnified s;, illustrations about »?°. medullary ray; tr., tracheids ot ^ duct; r. rf, rdsin duct; vi. , common tracheids or wood fibers,st teugenSalSon of* a trauTveiTeresTn duct and parts of three fibers; i. /;•; bf:??^ is a triple i ay above;
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectforestsandforestry
