Tree

void setup() {
  size(323, 200);
  background(207, 231, 245);
  
  noStroke();
  fill(204, 102, 0);
  rect(155, 120, 18, 80);
  triangle(152, 200, 164, 100, 176, 200);
  triangle(152, 151, 164, 200, 176, 151);
  fill(0, 95, 0);
  ellipse(135, 65, 30, 30);
  ellipse(165, 132, 30, 30);
  ellipse(195, 65, 30, 30);
  ellipse(120, 120, 30, 30);
  ellipse(150, 130, 30, 30);
  ellipse(135, 132, 30, 30);
  ellipse(145, 138, 30, 30);
  ellipse(185, 138, 30, 30);
  ellipse(155, 136, 30, 30);
  ellipse(175, 136, 30, 30);
  fill(0, 135, 0);
  ellipse(210, 120, 30, 30);
  ellipse(150, 100, 30, 30);
  ellipse(220, 105, 30, 30);
  ellipse(150, 55, 30, 30);
  fill(0, 125, 0);
  ellipse(180, 100, 30, 30);
  ellipse(165, 110, 30, 30);
  ellipse(135, 110, 30, 30);
  ellipse(180, 55, 30, 30);
  ellipse(115, 105, 30, 30);
  ellipse(195, 132, 30, 30);
  fill(0, 145, 0);
  ellipse(195, 110, 30, 30);
  ellipse(165, 85, 30, 30);
  ellipse(135, 75, 30, 30);
  ellipse(165, 50, 30, 30);
  fill(0, 155, 0);
  ellipse(195, 75, 30, 30);
  ellipse(120, 85, 30, 30);
  ellipse(210, 85, 30, 30);
  ellipse(155, 70, 30, 30);
  ellipse(180, 130, 30, 30);
  fill(0, 165, 0);
  ellipse(175, 70, 30, 30);
  ellipse(165, 65, 30, 30);
  ellipse(135, 85, 30, 30);
  ellipse(195, 85, 30, 30);
  ellipse(115, 105, 30, 30);
  ellipse(195, 132, 30, 30);
  fill(0, 145, 0);
  ellipse(195, 110, 30, 30);
  ellipse(165, 85, 30, 30);
  ellipse(135, 75, 30, 30);
  ellipse(165, 50, 30, 30);
  fill(0, 155, 0);
  ellipse(195, 75, 30, 30);
  ellipse(120, 85, 30, 30);
  ellipse(210, 85, 30, 30);
  ellipse(155, 70, 30, 30);
  ellipse(180, 130, 30, 30);
  fill(0, 165, 0);
  ellipse(175, 70, 30, 30);
  ellipse(165, 65, 30, 30);
  ellipse(135, 85, 30, 30);
  ellipse(195, 85, 30, 30);
  }