What is the bully tree (Minusops globosa); also, its milky juice (balata gum), which when dried constitutes an elastic gum called chicle, or chicle gum called?

balata — The bully tree (Minusops globosa); also, its milky juice (balata gum), which when dried constitutes an elastic gum called chicle, or chicle gum. (Webster's 1913.)