11.   But there had been no definitive evidence that ozone in the real environment stunted mature trees.

12.   But, Vogel cautioned, each year the charcoal makers push deeper into the Hellshire Hills in search of mature trees, driving the pig hunters before them.

13.   Every kind of forest from clear-cut to young saplings to mature trees favors different plants and animals.

14.   Environmental groups traditionally oppose the logging of mature trees as a method of fire prevention.

15.   Fifteen-gallon containers are recommended for mature trees so the plant can become large enough to bear good quantities of fruit.

16.   Find shade beneath mature olive trees.

17.   If you think you can tackle a heavy branch on a mature tree, then use the three-cut method.

18.   In recent springs, a wilt disease was blamed for withered shoots found on mature trees as well as saplings.

19.   It is inevitable that as this process unfolds, large stands of mature trees will attract the attention of commercial loggers.

20.   Mature trees growing up through half a dozen or so large buildings, some not used in more than a century.