A cross-section of the stem from a basswood tree (genus Tilia).
We have two sets containing 30 slides each: (10) 1-year old stems, (10) 2-year old stems, and (10) 3-year old stems.
A cross-section of the stem from a basswood tree (genus Tilia).
We have two sets containing 30 slides each: (10) 1-year old stems, (10) 2-year old stems, and (10) 3-year old stems.