Usage examples (28)

• Because it is formed by branches of those returning vessels that deposit the new alburnum.
• This consists in cutting a ring round the tree with axes through the bark and sapwood, or alburnum, into the brown wood beneath.
• Incisions are made into the alburnum of the seringueiras; below the wound small pots are attached, which twenty-four hours suffice to fill with a milky sap.
• Wood is composed of duramen or heartwood, and alburnum or sapwood, and when dry consists approximately of 49 per cent by weight of carbon, 6 per cent of hydrogen, 44 per...