Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 523
ar mode of subdivision, taking place alternately intwo directions, may at once extend the clusters B and C into leaf-like expansions ; or, if thefilamentous stage be passedthrough (different speciespresenting variations in thehistory of their development),the filament increases inbreadth as well as… … becomes such a frond asis shown at F, G-. In thesimple membranous expan-sion or thai I us thus formed,there is but little approachto a differentiation of partsin the formation of root, stem,and leaf, such as the higheralgre present ; every portionis the exact counterpart ofevery other, and every…
Microscopy
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