Handbook of practical botany for the botanical laboratory and private student (1908)
Strasburger, Eduard, 1844-1912, Hillhouse, William, 1850-1910 · London, S. Sonnenschein; New York, Macmillan · leaf 191
, and separate twO keel-primarv niedullary rays ; j;w/, outer l)roa(lene<l u /i f \^ ¥{tunnel-shapeil) end of a primary medullary ray ; snapea masSCS 01 Dasc.sm, secondary medullary ray ; g, inner limits of The central Cylinder is SUr-the current years ring (/ 6). t ii i t • rounded by the… … STEM OF TILIA. 155 readily recognisable by the glistening white walls, strongly thick-ened, especially in the angles. Finally the surface of the stem isoccupied by a regularly-developed periderm, the flat cells of which,proportionally to their age (i.e., from within outwards) are moreand more brown…
Botany · Plant physiology · Microscopy
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