Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 447
d. The woody fibre thus marked, is often designatedas glandular. 232. All the more perfect forms of Phanerogamia contaia,in some part of their fabric, the pecuhar structures which areknown as Spiral Vessels.^ These have the elongated shape of* So long, however, as they retain their original… … Section of Coniferous Wood in thedu-ection of the fibres, showing theirglandular dots; a a a, medullaryrays crossing the fibres. SPIRAL VESSELS.—DrCTS. 425 fibres; but the internal deposit, as in the spiral cells228), takes the form of a spiral fibre -winding from end toend, remaining distinct from…
Microscopy
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